An approach to studying social disparities in health and health care

Neighborhood Health and Outcomes in Idiopathic Pulmonary Fibrosis

Rationale: Living in a disadvantaged neighborhood has been associated with worse survival in people with idiopathic pulmonary fibrosis (IPF), however, prior studies have only examined the impact of neighborhood health on outcomes in IPF as a composite measure. Objectives: To investigate the association between neighborhood health and disease severity, measured by pulmonary function at presentation, and death in follow-up, with an additional focus on the contributions of the neighborhood's underlying physical and social factors to these outcomes. Methods: In a retrospective study of participants from the University of California, San Francisco, IPF Cohort (2001-2020), geocoded home addresses were matched to the California Healthy Places Index (HPI), a census-tract measure of neighborhood health. The HPI comprises 25 indicators of neighborhood health that are organized into eight physical and social domains, each of which is weighted and summed to provide a composite HPI score. Regression models were used to examine associations between the HPI as a continuous variable, in quartiles, and across each physical and social domain of the HPI (higher values indicate greater advantage) and forced vital capacity (FVC) percent predicted (% predicted), diffusing capacity of the lung for carbon monoxide (DlCO) % predicted, and death, adjusting for demographic and clinical covariates. We also studied the interaction between disease severity at presentation and neighborhood health in our time-to-event models. Results: In 783 participants with IPF, each 10% increase in HPI was associated with a 1% increase in FVC % predicted and DlCO % predicted (95% confidence intervals [CIs] = 0.55, 1.72; and 0.49, 1.49, respectively). This association appeared primarily driven by the economic, education, access, and social HPI domains. We also observed differences in the associations of HPI with mortality depending on disease severity at presentation. In participants with normal to mildly impaired FVC % predicted (⩾70%) and DlCO % predicted (⩾60%), decreased HPI was associated with higher mortality (hazard ratio = 2.91 Quartile 1 vs. Quartile 4; 95% CI = 1.20, 7.05). No association was observed between the HPI and death for participants with moderate to severely impaired FVC % predicted and DlCO % predicted. Conclusions: Living in disadvantaged neighborhoods was associated with worse pulmonary function in participants with IPF and was independently associated with increased mortality in participants with normal to mild physiological impairment at presentation.

Review of health research and data on/with racially minoritised groups: Implications for addressing racism and racial disparities in public health practice and policies in Europe: a study protocol

Historically, across Europe, data and research on/with racially minoritised groups have not been collected or carried out in a sufficient, adequate, or appropriate manner. Yet, to understand emerging and existing health disparities among such groups, researchers and policymakers must obtain and use data to build evidence that informs decision-making and action on key structural and social determinants of health. This systematic search and review aims to contribute to closing this gap and promote a race-conscious approach to health research, strengthening the utilisation and deployment of data and research on/with racially minoritised groups in Europe. Its ultimate goal is to improve equality and equity in health*. Concretely, the study will do so by reviewing and critically analysing the usage of the concepts of race, ethnicity, and their related euphemisms and proxies in health-related research. It will examine the collection, use, and deployment of data and research on/with racially minoritised groups in this area. The study will focus on Belgium, France, and the Netherlands, three countries with graphical proximity and several similarities, one of which is the limited attention that is given to racism and racial inequalities in health in research and policy. This choice is also justified by practical knowledge of the context and languages. The results of the review will be used to develop guidance on how to use and deploy data and research on/with racially minoritised groups. The review is part of a larger project which aims to promote race-conscious research and data. The project does this by a three-pronged approach which: 1) highlights the need for a race-conscious approach when collecting and using data, carrying out research on/with racially minoritised groups; 2) builds expertise for their effective use and deployment, and; 3) creates a knowledge network and community of practice for public health researchers working in Europe.

Disparities in adherence and emergency department utilization among people with epilepsy: A machine learning approach

PURPOSE

We used a machine learning approach to identify the combinations of factors that contribute to lower adherence and high emergency department (ED) utilization.

METHODS

Using Medicaid claims, we identified adherence to anti-seizure medications and the number of ED visits for people with epilepsy in a 2-year follow up period. We used three years of baseline data to identify demographics, disease severity and management, comorbidities, and county-level social factors. Using Classification and Regression Tree (CART) and random forest analyses we identified combinations of baseline factors that predicted lower adherence and ED visits. We further stratified these models by race and ethnicity.

RESULTS

From 52,175 people with epilepsy, the CART model identified developmental disabilities, age, race and ethnicity, and utilization as top predictors of adherence. When stratified by race and ethnicity, there was variation in the combinations of comorbidities including developmental disabilities, hypertension, and psychiatric comorbidities. Our CART model for ED utilization included a primary split among those with previous injuries, followed by anxiety and mood disorders, headache, back problems, and urinary tract infections. When stratified by race and ethnicity we saw that for Black individuals headache was a top predictor of future ED utilization although this did not appear in other racial and ethnic groups.

CONCLUSIONS

ASM adherence differed by race and ethnicity, with different combinations of comorbidities predicting lower adherence across racial and ethnic groups. While there were not differences in ED use across races and ethnicity, we observed different combinations of comorbidities that predicted high ED utilization.

Social determinants of health and premature death among adults in the USA from 1999 to 2018: a national cohort study

BACKGROUND

Racial and ethnic disparities in mortality persist in the US population. We studied the contribution of social determinants of health (SDoH) to racial and ethnic disparities in premature death.

METHODS

A nationally representative sample of individuals aged 20-74 years who participated in the US National Health and Nutrition Examination Survey (NHANES) between 1999 and 2018 were included. Self-reported SDoH (employment, family income, food security, education, access to health care, health insurance, housing instability, and being married or living with a partner) were collected in each survey cycle. Participants were categorised into four groups of race and ethnicity: Black, Hispanic, White, and other. Deaths were ascertained from linkage to the National Death Index with follow-up until 2019. Multiple mediation analysis was used to assess simultaneous contributions of each individual SDoH to racial disparities in premature all-cause mortality.

FINDINGS

We included 48 170 NHANES participants in our analyses, consisting of 10 543 (21·9%) Black participants, 13 211 (27·4%) Hispanic participants, 19 629 (40·7%) White participants, and 4787 (9·9%) participants of other racial and ethnic groups. Mean survey-weighted age was 44·3 years (95% CI 44·0-44·6), 51·3% (50·9-51·8) of participants were women, and 48·7% (48·2-49·1) were men. 3194 deaths before age 75 years were recorded (930 Black participants, 662 Hispanic participants, 1453 White participants, and 149 other participants). Black adults had significantly higher premature mortality than other racial and ethnic groups (p<0·0001): premature death rates per 100 000 person-years were 852 (95% CI 727-1000) for Black adults, 445 (349-574) for Hispanic adults, 546 (474-630) for White adults, and 521 (336-821) for other adults. Unemployment, lower family income, food insecurity, less than high school education, no private health insurance, and not being married nor living with a partner were significantly and independently associated with premature death. Dose-response associations were observed between cumulative number of unfavourable SDoH and premature all-cause mortality: hazard ratios (HRs) were 1·93 (95% CI 1·61-2·31) for those with one unfavourable SDoH, 2·24 (1·87-2·68) for those with two, 3·98 (3·34-4·73) for those with three, 4·78 (3·98-5·74) for those with four, 6·08 (5·06-7·31) for those with five, and 7·82 (6·60-9·26) for those with six or more unfavourable SDoH (p<0·0001 for linear trend). After adjusting for SDoH, HRs for premature all-cause mortality for Black adults compared with White adults decreased from 1·59 (1·44-1·76) to 1·00 (0·91-1·10), suggesting complete mediation of this racial difference in mortality.

INTERPRETATION

Unfavourable SDoH are associated with increased rates of premature death and contribute to differences between Black and White racial groups in premature all-cause mortality in the US population. Innovative public health policies and interventions targeting SDoH are needed to reduce premature deaths and health disparities in this population.

FUNDING

US National Institutes of Health.

A multi-level perspective on perceived unmet needs for home support in home-dwelling older adults in the Swiss context: a secondary data analysis of a population study

Background

Unmet needs for home support occur when any support services perceived by older people as needed are not being received. Not meeting these needs can negatively impact older adults’ quality of life, and increase health care utilization, hospitalizations, institutionalizations, or death. To date there is no consensus in how to define and assess these unmet needs. In parallel, previous research of factors associated with unmet needs for home support has mostly focused on factors at the micro level. Thus, this paper aims to identify the prevalence of unmet needs for home support among a home-dwelling older population and the factors at the macro, meso and micro levels contributing to them.

Methods

Using an ecological approach we identified multi-level factors associated with the presence of unmet needs for home support among the home-dwelling older population (aged 75+) in Switzerland. This is a secondary cross-sectional analysis of the INSPIRE Population Survey of home-dwelling older adults (n = 8,508) living in Basel-Landschaft in Switzerland, conducted as part of the TRANS-SENIOR Project. Prevalence of perceived unmet needs for home support was self-reported, using a dichotomized question. Multiple logistic regression analyses were performed to investigate the associations of factors at each level with unmet needs for home support.

Results

4.3% of participants reported unmet needs for home support, with a median age of 81 years. 45.1% had private health insurance and 6.3% needed additional government support. Being a recipient of other type of government support (OR = 1.65; 95% CI = 1.17–2.29) (macro-); the use of transportation services (OR = 1.74; 95% CI = 1.15–2.57) (meso-); and feeling depressed (OR = 1.40; 95% CI = 1.06–1.85) or abandoned (OR = 2.60; 95% CI = 1.96–3.43) (micro-) increased odds of having perceived unmet needs for home support. Having a private health insurance (macro-) (OR = 0.63; 95% CI = 0.49–0.80), speaking Swiss-German (OR = 0.44; 95% CI = 0.24–0.88) or German (OR = 0.47; 95% CI = 0.24–0.98), having a high level of education [primary (OR = 0.48; 95% CI = 0.24–1.02); secondary (OR = 0.49; 95% CI = 0.25–1.03); tertiary (OR = 0.38; 95% CI = 0.19–0.82); other (OR = 0.31 (0.12–0.75)], having a high score of self-perceived health status [score ≥ 76 (OR = 0.42; 95% CI = 0.20–0.96)] and having informal care (OR = 0.57; 95% CI = 0.45–0.73), among others (micro-) were associated with decreased odds of having perceived unmet needs for home support.

Conclusion

Our study findings highlight the role of socio-economical inequality in the perception of unmet needs for home support in home-dwelling older adults. In order to address unmet needs in home-dwelling older adults, healthcare leaders and policy makers should focus on strategies to reduce socio-economic inequalities at the different levels in this population.

Supplementary Information

The online version contains supplementary material available at 10.1186/s12877-022-03479-5.

How Do We Define and Measure Health Equity? The State of Current Practice and Tools to Advance Health Equity

INTRODUCTION

Healthy People establishes national goals and specific measurable objectives to improve the health and well-being of the nation. An overarching goal of Healthy People 2030 is to "eliminate health disparities, achieve health equity, and attain health literacy to improve the health and well-being of all." To inform Healthy People 2030 health equity and health disparities content and products, the US Department of Health and Human Services (HHS) Office of Disease Prevention and Health Promotion (ODPHP), in collaboration with NORC at the University of Chicago, conducted a review of peer-reviewed and gray literature to examine how health equity is defined, conceptualized, and measured by public health professionals.

METHODS

We reviewed (1) peer-reviewed literature, (2) HHS and other public health organization Web sites, and (3) state and territorial health department plans. We also conducted targeted searches of the gray literature to identify tools and recommendations for measuring health equity.

RESULTS

While definitions of health equity identified in the scan varied, they often addressed similar concepts, including "highest level of health for all people," "opportunity for all," and "absence of disparities." Measuring health equity is challenging; however, strategies to measure and track progress toward health equity have emerged. There are a range of tools and resources that have the potential to help decision makers address health equity, such as health impact assessments, community health improvement plans, and adapting a Health in All Policies approach. Tools that visualize health equity data also support data-driven decision making.

DISCUSSION

Using similar language when discussing health equity will help align and advance efforts to improve health and well-being for all. Healthy People objectives, measures, and targets can help public health professionals advance health equity in their work. HHS ODPHP continues to develop Healthy People tools and resources to support public health professionals as they work with cross-sector partners to achieve health equity.

Randomized, wait-list-controlled pilot study of app-delivered mindfulness for patients reporting chronic pain

App-delivered mindfulness improved social functioning and pain catastrophizing among patients with chronic pain. Patient characteristics predicted app engagement, highlighting important considerations for clinical settings.

Introduction:

Chronic pain creates economic burden and exerts profound individual and societal harm. Mobile application (app)-delivered mindfulness meditation may be an important approach to self-management of chronic pain.

Objectives:

We examined the feasibility, acceptability, and impact of app-delivered mindfulness meditation on pain cognition and daily functioning among patients reporting chronic pain.

Methods:

We used a longitudinal, randomized, and wait-list–controlled design (NCT03495726) to evaluate changes in self-reported pain severity, pain catastrophizing, and social and physical functioning among participants randomized to 6 weeks of app-delivered mindfulness meditation, compared with participants randomized to a wait-list control group.

Results:

Although most participants randomized to the mindfulness group used the app at least once, fewer than half adhered to the instructed program. Participants who did not use the app scored higher on the helplessness component of pain catastrophizing at the start of the study and were less likely to have completed 4 years of college. Participants who reported feeling pressured to enroll in the study were also less likely to adhere to the intervention. Compared with participants randomized to wait-list, those in the mindfulness group reported significant improvements in social functioning, even after controlling for pain severity. Participants randomized to the mindfulness intervention also reported significant improvements in helplessness. App usage was not significantly correlated with changes in social functioning or helplessness scores.

Conclusions:

These results suggest that app-delivered mindfulness meditation is beneficial to patients with chronic pain. Identifying characteristics of patients who were adherent highlights important considerations for clinical settings.

Addressing Health Equity and Social Determinants of Health Through Healthy People 2030

The evolution of Healthy People reflects growing awareness of health inequities over the life course. Each decade, the initiative has gained understanding of how the nation can achieve health and well-being. To inform Healthy People 2030's visionary goal of achieving health equity in the coming decade, the Secretary's Advisory Committee on National Health Promotion and Disease Prevention Objectives for 2030 (Secretary's Advisory Committee) provided the US Department of Health and Human Services with guidance on key terms, frameworks, and measurement for health equity. Conditions in the environments in which people are born, live, learn, work, play, worship, and age influence health and well-being outcomes, functioning, and quality-of-life outcomes and risks and are mostly responsible for health inequities. No single individual, organization, community, or sector has sole ownership, accountability, or capacity to sustain the health and well-being of an entire population. The COVID-19 pandemic in the United States highlights underlying inequities and disparities in health and health care across segments of the population. Contributing factors that were known prior to the pandemic have led to major discrepancies in rates of infection and death. To reduce health disparities and advance health equity, systems approaches-designed to shift interconnected aspects of public health problems-are needed.

Auditing the scope of antithrombotic care in iPACT (International Pharmacists for Anticoagulation Care Taskforce) represented countries

Countries strive to find suitable solutions to offer health services to their populations. Pharmacist-led services are a possible solution to supplement the care offer with a clear advantage of proximity, with demonstrated expertise in medication use. This paper aims to audit the scope of antithrombotic care services available; and to describe the arrangements adopted for meeting the needs of the population. A multi-stage project involved the development of the list of services, generated during a face-to-face expert meeting; the definition of each service by literature search; and their clustering into three main groups (general, specific and support); resulting in an online audit of each service's availability, the settings where the service was available and the possible providers. The audit was distributed to a taskforce devoted to antithrombotic care representing 22 countries, with response obtained for all. Most reported general services were Transfer of care and Comprehensive Medication Review. Among specific services, Point-of-care testing for INR and renal function and Patient Education on antithrombotic care (antiplatelets and anticoagulants) were the most frequent. Interprofessional Education as a support service was very common, but the use of the Choosing Wisely initiative to inform evidence-based decisions was still limited. There was wide diversity found in arrangements for the provision of services to support patients taking antithrombotic medication, albeit specific services were reported in over half the surveyed countries.

Screening Isn't Enough: A Call to Integrate Behavioral Health Providers in Women's Health and Perinatal Care Settings

This paper aims to enhance the current understanding of integrated mental health services in the United States and how they can be better incorporated in perinatal and women's health specialty care from the perspective of a behavioral health provider. While much is known about gender disparities of mental health and low recognition and treatment rates for mental health disorders in women's health and perinatal care, few changes are being implemented to embed mental health specialists where they are needed most to close gaps in care. This paper demonstrates the value creation of integrated behavioral health in a midwife practice in the State of Arizona. Clinical and operational workflows can easily be adapted to include a behavioral health service to address mental and behavioral health needs that, when untreated, lead to long-term adverse outcomes in women and their families. Financial barriers that may hinder success of the integrated model are highlighted and discussed.

Workplace social capital and refraining from seeking medical care in Japanese employees: a 1-year prospective cohort study

OBJECTIVES

We examined the association of workplace social capital (WSC), including structural and cognitive dimensions, with refraining from seeking medical care (RSMC) among Japanese employees.

DESIGN

One-year prospective cohort study.

SETTING AND PARTICIPANTS

We surveyed 8770 employees (6881 men and 1889 women) aged 18-70 years from 12 firms in Japan using a self-administered questionnaire comprising the WSC scale and the items on potential confounders (ie, age, educational attainment and equivalent annual household income) at baseline (from April 2011 to March 2013).

OUTCOME MEASURES

At a 1-year follow-up, we measured RSMC using a single-item question 'In the past year, have you ever refrained from visiting a hospital, clinic, acupuncturist or dentist despite your sickness (including a slight cold or cavity) or injury?'

RESULTS

The results of Cox regression with robust variance showed that, after adjusting for potential confounders, the low WSC group (ie, the lowest tertile group) had a significantly higher relative risk (RR) of RSMC compared with the high WSC group (ie, the highest tertile group) among both men and women (overall WSC: RR 1.09 (95% CI 1.01 to 1.17) and 1.20 (95% CI 1.06 to 1.37); structural dimension: RR 1.13 (95% CI 1.04 to 1.22) and 1.25 (95% CI 1.07 to 1.45); and cognitive dimension: RR 1.11 (95% CI 1.03 to 1.20) and 1.21 (95% CI 1.06 to 1.38), respectively). Trend analysis using a continuous score of the WSC scale also showed a significant association of low WSC with a higher risk of RSMC among both men and women.

CONCLUSIONS

Our findings suggest that the lack of social capital in the workplace is associated with RSMC among Japanese employees.

The Effects of Social, Personal, and Behavioral Risk Factors and PM2.5 on Cardio-Metabolic Disparities in a Cohort of Community Health Center Patients

(1) Background: Cardio-metabolic diseases (CMD), including cardiovascular disease, stroke, and diabetes, have numerous common individual and environmental risk factors. Yet, few studies to date have considered how these multiple risk factors together affect CMD disparities between Blacks and Whites. (2) Methods: We linked daily fine particulate matter (PM2.5) measures with survey responses of participants in the Southern Community Cohort Study (SCCS). Generalized linear mixed modeling (GLMM) was used to estimate the relationship between CMD risk and social-demographic characteristics, behavioral and personal risk factors, and exposure levels of PM2.5. (3) Results: The study resulted in four key findings: (1) PM2.5 concentration level was significantly associated with reported CMD, with risk rising by 2.6% for each µg/m3 increase in PM2.5; (2) race did not predict CMD risk when clinical, lifestyle, and environmental risk factors were accounted for; (3) a significant variation of CMD risk was found among participants across states; and (4) multiple personal, clinical, and social-demographic and environmental risk factors played a role in predicting CMD occurrence. (4) Conclusions: Disparities in CMD risk among low social status populations reflect the complex interactions of exposures and cumulative risks for CMD contributed by different personal and environmental factors from natural, built, and social environments.

Associations between breastfeeding duration and overweight/obese among children aged 5-10: a focus on racial/ethnic disparities in California

Research on the association between breastfeeding and childhood obesity and research on racial/ethnic differences in breastfeeding both show inconsistencies. The current study examines: 1) whether immigrant Hispanic women have higher rates of breastfeeding compared to non-Hispanic (three separate groups: African-American, Asian/Pacific Islander, and White) and U.S.-born Hispanic women; 2) whether children who were breastfed are less likely to be overweight/obese compared to children who were not breastfed; and 3) whether associations between breastfeeding and weight status vary by race/ethnicity/nativity. The study builds on prior literature using representative data from the Geographic Research On Wellbeing study (GROW, 2012–2013) and focusing on ages 5–10 years, an age group that has not been well studied (N = 2675 mother/child dyads). Logistic regression was used to investigate the odds of child obesity (≥95^th%) and child overweight (≥85^th%) in a series of models: unadjusted (each variable individually), demographic (child's sex, child's age, mother's age, mother's race/ethnicity, and mother's marital status), socioeconomic status (mother's education and family income), and full model (mother's BMI); with breastfeeding included in all models. Interactions between race/ethnicity and breastfeeding duration were also examined. African-American (9.54%) and white (32.8%) women had the lowest and highest rates of ever breastfeeding, respectively. White women breastfed the longest (M = 10.52 months, SE = 0.028) and U.S.-born Hispanic women breastfed the shortest (M = 7.05 months, SE = 0.41), on average. Children of African-American and U.S.-born Hispanic mothers had higher odds of being overweight/obese (74–75%) compared with children of white mothers. No associations were found between breastfeeding duration and child's weight status in adjusted models, nor was there a significant interaction between mother's race/ethnicity and breastfeeding duration on child's weight status; however, mother's own weight status was a significant driver of child's weight status and explained the racial/ethnic disparities. These results provide evidence in favor of there being no association between breastfeeding and childhood obesity.

Living environment, social support, and informal caregiving are associated with healthcare seeking behaviour and adherence to medication treatment: A cross-sectional population study

Despite the well-known associations between local environment and health, few studies have focused on environment and healthcare utilisation, for instance healthcare seeking behaviour or adherence. This study was aimed at analysing housing type, behaviour based on perceived local outdoor safety, social support, informal caregiving, demographics, socioeconomics, and long-term illness, and associations with health-seeking and adherence behaviours at a population level. This study used data from the Swedish National Public Health Survey 2004-2014, an annually repeated, large sample, cross-sectional, population-based survey study. In all, questionnaires from 100,433 individuals were returned by post, making the response rate 52.9% (100,433/190,000). Descriptive statistics and multiple logistic regressions were used to investigate associations between explanatory variables and the outcomes of refraining from seeking care and non-adherence behaviour. Living in rented apartment, lodger, a dorm or other was associated with reporting refraining from seeking care (adjusted OR 1.16, 95% CI 1.00-1.22), and non-adherence (adjusted OR 1.22; 95% CI 1.13-1.31). Refraining from going out due to a perceived unsafe neighbourhood was associated with refraining from seeking care (adjusted OR 1.59, 95% CI 1.51-1.67) and non-adherence (adjusted OR 1.26, 95% CI 1.17-1.36). Social support and status as an informal caregiver was associated with higher odds of refraining from seeking medical care and non-adherence. This study suggests that living in rental housing, refraining from going out due to neighbourhood safety concerns, lack of social support or informal caregiver status are associated with lower health-seeking behaviour and non-adherence to prescribed medication.

Organizational Justice and Refraining from Seeking Medical Care Among Japanese Employees: A 1-Year Prospective Cohort Study

Background

Using a 1-year prospective design, we examined the association of organizational justice (i.e., procedural justice and interactional justice) with refraining from seeking medical care (RSMC) among Japanese employees.

Methods

We surveyed 2695 employees (1994 men and 701 women) from two factories of a manufacturing company in Japan. A self-administered questionnaire comprising scales for measuring organizational justice (Organizational Justice Questionnaire) and potential confounders (i.e., demographic and socioeconomic characteristics as well as health-related behaviors) was administered at baseline (from April to June 2011). At 1-year follow-up (from April to June 2012), a single-item question was used to measure RSMC during the follow-up period. Multiple logistic regression analysis was conducted by gender.

Results

After adjusting for potential confounders, low procedural justice and low interactional justice at baseline were found to be significantly associated with higher odds of RSMC during the 1-year follow-up for male employees (odds ratio = 1.33 [95% confidence interval = 1.16–1.52], p < 0.001 and 1.15 [95% confidence interval = 1.02–1.29], p = 0.019, respectively). Similar patterns were observed for female employees (odds ratio = 1.37 [95% confidence interval = 1.08–1.74], p = 0.009 and 1.23 [95% confidence interval = 1.02–1.50], p = 0.035 for low procedural justice and low interactional justice, respectively).

Conclusions

The present study provided evidence that the lack of organizational justice is positively associated with RSMC among Japanese employees, independently of demographic and socioeconomic characteristics as well as of health-related behaviors.

Social Disparities in Early Intervention Service Use and Provider-Reported Outcomes

OBJECTIVE

To describe social disparities in early intervention (EI) service use and provider-reported outcomes.

METHODS

Secondary data analysis of administrative data to ascertain EI service use of all EI and discipline-specific services and child and family characteristics. Adjusted logistic regression models estimated the odds of receiving each type of core EI service. Adjusted median regression models estimated differences in EI intensity for each type of core EI service. Adjusted ordinal regression models estimated the association between each type of EI therapy service and provider estimates of children's global functional improvement.

RESULTS

Children with a diagnosis (b = 0.8, SE = 0.2) and those whose caregiver had 12 years of education or less (b = 0.6, SE = 0.3) had higher EI intensity. Black, non-Hispanic (BNH) children had nearly 75% lower odds of receiving physical therapy (PT) (odds ratio [OR] = 0.3, 95% confidence interval [CI], 0.1-0.7) and greater odds of receiving speech therapy (ST) (OR = 3.4, 95% CI, 1.3-9.3) than their white, non-Hispanic (WNH) peers. BNH children who received PT received about an hour less per month (b = -0.7, SE = 0.4) than their WNH peers. Hispanic children (b = 1.0, SE = 0.3) and those with higher family income (b = 0.7, SE = 0.3) received greater intensity of PT compared with their peers who are WNH and from low-income families. Publically insured children had lower intensity of occupational therapy (b = -0.5, SE = 0.3) and ST (b = -0.6, SE = 0.3). Greater intensity of EI services was not associated with greater provider-perceived improvement.

CONCLUSION

Results suggest disparities, by race and family income, in receipt of EI therapy services. These findings highlight opportunities to customize and coordinate care for improved EI access and care quality.

Labor factor barriers to seeking medical services among metropolitan workers: a cross-sectional analysis by sex using the J-SHINE study

OBJECTIVES

There is limited evidence on the relationship between labor factors and the decision to refrain from seeking medical services. This study aimed to examine how labor factors are related to medical service access among male and female workers in Tokyo and surrounding areas.

METHODS

We used data from 4,385 respondents to the survey in the Japanese Study on Stratification, Health, Income, and Neighborhood (J-SHINE), an ongoing epidemiologic household panel study. Surveys from 2010 to 2011 were analyzed. The outcome variable was whether or not an individual refrained from seeking medical services. Labor factors included employment type (permanent, temporary, or self-employed), company size (<100, 100-1,000, or >1,000 employees) and occupation type (white-collar, blue-collar).

RESULTS

We included a total of 2,013 people after excluding those with missing data (analysis utilization: 45.9%). After adjusting covariates, we found that men working in small companies were more likely to refrain from seeking medical services than were those in medium or large companies (adjusted prevalence ratio [PR]: 1.19, 95% confidence interval [CI]: 1.04-1.37). Among women, however, those in self-employment (PR: 1.38, 95% CI: 1.08-1.77) and blue-collar employment (PR: 1.24, 95% CI: 1.04-1.47) were more likely to refrain than were those classified as permanent or white-collar workers.

CONCLUSIONS

The relationship between labor factors and refraining from seeking medical services differed among men by company size, and among women by employment type and occupation type.

Social and health-related factors associated with refraining from seeking dental care: A cross-sectional population study

BACKGROUND

Social inequities are considered to affect healthcare utilization, whereas less is known about the factors associated with refraining from seeking dental care. This study aimed to investigate whether people with no social support, long-term illness, caregiver burden and low socioeconomic status (SES) refrained from seeking dental care in higher proportion than the general Swedish population.

METHODS

This study used cross-sectional questionnaire data from repeated nationwide health surveys during 2004-2013 of a total of 90 845 people. The questionnaire included questions on demographic characteristics, social support, long-term illness, caregiving burden, SES and dental care-seeking behaviour. Descriptive statistics, chi-square tests, correlation analyses and logistic regressions were used to investigate associations between independent variables and dental care-seeking behaviour.

RESULTS

In the total sample, 15.1% of respondents reported refraining from seeking dental care. Having no emotional social support or having no instrumental social support was separately associated with reporting refraining from seeking dental care in adjusted multivariate models (odds ratio [OR] 1.26, 95% confidence interval [CI] 1.18-1.34 and OR: 1.89, 95% CI: 1.67-2.13, respectively). Having a long-term illness was associated with refraining from seeking dental care in adjusted models (adjusted OR: 1.43, 95% CI: 1.35-1.51). Furthermore, being an informal caregiver was associated with refraining from seeking dental care (adjusted OR: 1.15, 95% CI: 1.07-1.23). Low SES was associated with higher refraining from seeking dental care; the strongest association was with having financial problems (adjusted OR: 3.57, 95% CI: 3.19-4.00). Interaction effects were found between education level and SES, and between social support and long-term illness, and the outcome.

CONCLUSIONS

The findings in this study imply that having no social support, having long-term illness, being informal caregiver or having financial problems are factors associated with reporting refraining from seeking dental care, on a population basis.

Social Cohesion and Food Insecurity: Insights from the Geographic Research on Wellbeing (GROW) Study

Objectives Food insecurity in the United States is a stubborn public health issue, affecting more than one in five households with children and disproportionately impacting racial and ethnic minority women and their children. Past research and policy has focused on household predictors of food insecurity, but neglected broader factors, such as perceived neighborhood social cohesion, that might protect those most vulnerable to food insecurity. Methods We use a racially and ethnically diverse data set from the Geographic Research on Wellbeing study (N = 2847) of women and their young children in California to investigate whether social cohesion influences food insecurity and whether it moderates the relationship between race/ethnicity and food insecurity. Results We find that lower levels of perceived residential neighborhood social cohesion associate with higher odds of food insecurity even after considering important household socioeconomic factors. In addition, our results suggest that social cohesion is most relevant for reducing the risk of food insecurity among racial and ethnic minority mothers. For example, the probability of food insecurity for immigrant Latina mothers is nearly 0.40 in neighborhoods where mothers perceive little to no cohesion and less than 0.10 in neighborhoods where mothers perceive high cohesion. Conclusions for Practice Higher levels of neighborhood perceived social cohesion are protective against food insecurity in households with children and especially so for racial and ethnic minority households who are at a heightened risk of food insecurity. Supporting programs that focus on building closer knit communities may be a key to reducing food insecurity overall and for reducing disparities in food insecurity by race and ethnicity.

Social capital and refraining from medical care among elderly people in Japan

BACKGROUND

Refraining from required medical care can worsen health, particularly for the elderly, and increase public medical expenditure, which destabilizes the financial aspect of social security. Social capital, such as trust between residents and the norms of reciprocity in the community, is a possible measure to prevent refraining from medical care.

METHODS

We studied survey data collected in a small area in Japan that included a high response rate (91.6 %) to evaluate refraining from medical care. Self-reported refraining from required medical care from among 1016 elderly people, aged ≥60 (male = 490; female = 526), was used as a dependent variable. Social capital indicators were mean values of people's attitude toward the generalized trust and norms of reciprocity in each community. We estimated the association between community level social capital and individuals' probability of refraining from medical care while controlling individual factors such as age, education, and marital status.

RESULTS

Logit estimation results showed that only generalized trust is associated with low probability of refraining from medical care among the elderly in small communities. The marginal effect for 0.1 increase in community level trust is 4 % decrease in the probability of refraining from medical care. In larger communities, generalized trust is not associated with the probability of refraining from medical care.

CONCLUSIONS

This finding suggests that the generalized trust is effective in smaller communities as far as related to access to medical care. In small communities, policy to increase generalized trust to support medical care for elderly is recommended.

The role of disparities and socioeconomic factors in access to kidney transplantation and its outcome

BACKGROUND

Research focused on identifying vulnerable populations and revealing specific risk factors for barriers along the pathway from ESRD to kidney transplantation has been mostly descriptive and the causes of existing disparities remain unclear. However, several socio-economic factors that are associated with the access to and the outcome of the kidney transplantation have been identified.

SUMMARY

While the presence of racial, gender, and geographic disparities is noted, we were interested mostly to describe potential socio-economic factors associated with and possibly responsible for the presence of such disparities. In this review we focused on five factors: education level, employment status, income, presence of substance addiction or abuse, and marital status. We describe the new method to quantify patients' socio-economic status and identify the group of high risk in terms of the transplant outcome, easily calculated social adaptability index, previously associated with clinical outcome in several patient populations including those with kidney transplant. At the end, based on literature analyzed we offer potential interventions that potentially can be used in order to reduce the degree of disparities.

CONCLUSION

Based on review of literature socio-economic factors are associated with and possibly responsible for healthcare disparities. Social adaptability index allows quantifying the degree of socio-economic status and identifying the group of high risk for inferior transplant outcome.

Coeliac disease is more common in children with high socio-economic status

AIM

There are a number of genetic and environmental factors that are associated with an increased risk of developing coeliac disease. Our aim was to determine whether socio-economic deprivation increases or reduces the development of the disease.

METHODS

A cross-sectional study identified all children <16 years old diagnosed with coeliac disease in the same tertiary paediatric centre between January 1995 and December 2011. Data, including age at diagnosis and postcode, were collected and linked with the quintile rank of the Welsh Index of Multiple Deprivation score 2008, a measure of socio-economic status.

RESULTS

We included 232 patients and identified a graded association between the prevalence of coeliac disease and socio-economic deprivation, which showed a higher rate in children living in more affluent areas. The largest difference was between the lowest deprivation level (rate/1000 = 1.16) and the highest deprivation level (rate/1000 = 0.49).

CONCLUSION

In our population, coeliac disease was more common in children in the higher socio-economic groupings. The reasons for this are not clear, but perhaps both the 'hygiene hypothesis' and the health seeking behaviours of parents with high socio-economic status are possible factors in the more frequent diagnosis of coeliac disease in this group.

Guidelines-based indicators to measure quality of antenatal care

RATIONALE, AIMS AND OBJECTIVES

No comprehensive measurement of quality of antenatal care is available. Late booking or low number of checks are often used as surrogate for poor quality, leaving uncertainty on the actual content of the care received. In order to fill this gap, we have reviewed two sets of clinical guidelines and developed corresponding indicators of quality.

METHOD

A group of clinicians and methodologists reviewed the National Institute for Clinical Excellency Clinical Guidelines on antenatal care, and the list of prenatal care interventions recommended by the Research and Development Group, both based on evidence of effectiveness of specific interventions. We identified single aspects in three domains: (1) services utilization; (2) screening; and (3) interventions. For each indicator, we defined: (1) eligibility, that is the characteristics of the women to whom the indicator applies; (2) standard, that is the situation when the target is met; and (3) moderators, that is all conditions which legitimately hamper the fulfilment of the standard.

RESULTS

We developed four indicators of service utilization, 25 of screening and 17 of intervention. The respective eligibility, standard and moderators criteria were described for each indicator. While many indicators could be retrospectively evaluated from medical charts, quality of communication with provider, screening for sensible issues and counselling on behaviours to be avoided could only be obtained with a prospective data collection.

CONCLUSIONS

The indicators of quality of antenatal care, complemented by measures of social position, social support and immigrant/ethnic status, allow for a careful description of the gaps in quality of care for specific groups of women.

Predictors of inadequate prenatal care in methamphetamine-using mothers in New Zealand and the United States

This study compared patterns of prenatal care among mothers who used methamphetamine (MA) during pregnancy and non-using mothers in the US and New Zealand (NZ), and evaluated associations among maternal drug use, child protective services (CPS) referral, and inadequate prenatal care in both countries. The sample consisted of 182 mothers in the MA-Exposed and 196 in the Comparison groups in the US, and 107 mothers in the MA-Exposed and 112 in the Comparison groups in NZ. Positive toxicology results and/or maternal report of MA use during pregnancy were used to identify MA use. Information about sociodemographics, prenatal care and prenatal substance use was collected by maternal interview. MA-use during pregnancy is associated with lower socioeconomic status, single marital status, and CPS referral in both NZ and the US. Compared to their non-using counterparts, MA-using mothers in the US had significantly higher rates of inadequate prenatal care. No association was found between inadequate care and MA-use in NZ. In the US, inadequate prenatal care was associated with CPS referral, but not in NZ. Referral to CPS for drug use only composed 40 % of all referrals in the US, but only 15 % of referrals in NZ. In our study population, prenatal MA-use and CPS referral eclipse maternal sociodemographics in explanatory power for inadequate prenatal care. The predominant effect of CPS referral in the US is especially interesting, and should encourage further research on whether the US policy of mandatory reporting discourages drug-using mothers from seeking antenatal care.

Reputation, relationships, risk communication, and the role of trust in the prevention and control of communicable disease: a review

Population-level compliance with health protective behavioral advice to prevent and control communicable disease is essential to optimal effectiveness. Multiple factors affect perceptions of trustworthiness, and trust in advice providers is a significant predeterminant of compliance. While competency in assessment and management of communicable disease risks is critical, communications competency may be equally important. Organizational reputation, quality of stakeholder relationships and risk information provision strategies are trust moderating factors, whose impact is strongly influenced by the content, timing and coordination of communications. This article synthesizes the findings of 2 literature reviews on trust moderating communications and communicable disease prevention and control. We find a substantial evidence base on risk communication, but limited research on other trust building communications. We note that awareness of good practice historically has been limited although interest and the availability of supporting resources is growing. Good practice and policy elements are identified: recognition that crisis and risk communications require different strategies; preemptive dialogue and planning; evidence-based approaches to media relations and messaging; and building credibility for information sources. Priority areas for future research include process and cost-effectiveness evaluation and the development of frameworks that integrate communication and biomedical disease control and prevention functions, conceptually and at scale.

Differences in self-reported discrimination by primary type of drug used among New York City drug users

BACKGROUND

Illicit drug users experience various forms of discrimination which may vary by type of drug used, as there are different levels of stigma associated with different types of drugs.

OBJECTIVES

This study investigated self-report of perceived discrimination by primary type of drug used.

METHODS

This analysis used data from "Social Ties Associated with Risk of Transition into Injection Drug Use" (START), a cross-sectional study of recently initiated injection drug users (IDUs) and prospective study of heroin/crack/cocaine-using non-IDUs (n = 652). Using log binomial regression, the relationship between primary drug used (i.e., single drug used most often) with discrimination due to drug use was examined.

RESULTS

Heroin users were significantly more likely (Prevalence ratio (PR): 1.52 (95% Confidence interval (CI): 1.15-2.07)) to report discrimination due to drug use compared to cocaine users.

CONCLUSION AND SCIENTIFIC SIGNIFICANCE

More research is needed to understand the mechanism through which discrimination affects heroin users, and its potential relation with other discrimination-related outcomes, namely depression and drug treatment.

Health disparities and health equity: the issue is justice

Eliminating health disparities is a Healthy People goal. Given the diverse and sometimes broad definitions of health disparities commonly used, a subcommittee convened by the Secretary's Advisory Committee for Healthy People 2020 proposed an operational definition for use in developing objectives and targets, determining resource allocation priorities, and assessing progress. Based on that subcommittee's work, we propose that health disparities are systematic, plausibly avoidable health differences adversely affecting socially disadvantaged groups; they may reflect social disadvantage, but causality need not be established. This definition, grounded in ethical and human rights principles, focuses on the subset of health differences reflecting social injustice, distinguishing health disparities from other health differences also warranting concerted attention, and from health differences in general. We explain the definition, its underlying concepts, the challenges it addresses, and the rationale for applying it to United States public health policy.

Biobanking and public health: is a human rights approach the tie that binds?

Ethical principles guiding public health and genomic medicine are often at odds: whereas public health practice adopts collectivist principles that emphasize population-based benefits, recent advances in genomic and personalized medicine are grounded in an individualist ethic that privileges informed consent, and the balancing of individual risk and benefit. Indeed, the attraction of personalized medicine is the promise it holds out to help individuals get the "right medicine for the right problem at the right time." Research biobanks are an effective tool in the genomic medicine toolbox. Biobanking in public health presents a unique case study to unpack some of these issues in more detail. For example, there is a long history of using banked tissue obtained under clinical diagnostic conditions for later public health uses. But despite the collectivist approach of public health, the principles applied to the ethical challenges of biobanking (e.g. informed consent, autonomy, privacy) remain individualist. We demonstrate the value of using human rights as a public health ethics framework to address this tension in biobanking by applying it to two illustrative cases.

Perinatal periods of risk: a community approach for using data to improve women and infants' health

This paper provides an overview of the origins, purpose, and methods of the Perinatal Periods of Risk (PPOR) approach to community-based planning for action to improve maternal and infant health outcomes. PPOR includes a new analytic framework that enables urban communities to better understand and address fetal and infant mortality. This article serves as the core reference for accompanying specific PPOR methods and practice articles. PPOR is based on core principles of full community engagement and equity and follows a six stage community-based planning process. In Stage 1, communities are mobilized and engaged, related planning efforts aligned, and community and analytic readiness assessed. In Stage 2, feto-infant mortality is mapped, excess mortality is estimated, likely causes of feto-infant mortality are determined, and appropriate actions are suggested. Stage 3 produces action plans for targeted prevention strategies. Stages 4 and 5 include implementation, monitoring, and evaluation. Stage 6 fosters political will to sustain efforts. PPOR can be used in local maternal child health (MCH) practice for improving perinatal outcomes. MCH programs can use PPOR to integrate health assessments, initiate planning, identify significant gaps, target more in-depth inquiry, and suggest clear interventions for lowering feto-infant mortality. PPOR enables greater cooperation in improving MCH through more effective data use, strengthened data capacity, and greater shared understanding of complex infant mortality issues. PPOR offers local health departments and their community partners a comprehensive approach to address the health of women and infants in their jurisdictions.

A systematic review and meta-analysis of racial disparities in prenatal care in California: How much? Does insurance matter?

This meta-analysis compares California to 13 states with regard to adequacy of prenatal care in the context of the major Medicaid expansion. It shows a reduction in prenatal care inadequacy after 1992, especially in California. It also shows persistent racial ethnic disparities. By examining how California differed from other states, this study provides not only benchmarks for attaining the Healthy People 2010 goal of 90% adequacy but also possible strategies for achieving this goal. Attaining the Healthy People 2010 objective for prenatal care for California as a whole will require further efforts to understand and address racial/ethnic and insurance-related inequalities.

Disparidad en Salud: Un Fenómeno Multidimensional

La Disparidad en Salud (DS) ha llamado la atención pública desde el siglo pasado, ha sido analizada desde diversas perspectivas y enfoques incluso variados términos han sido utilizados como sinónimos pudiendo llevar a confusión e inequidades al momento de su operacionalización. Sin embargo es importante señalar que las publicaciones coinciden en que la DS es uno de las determinantes esenciales a considerar al momento de definir polĺticas públicas. El propósito de esta publicación es analizar la disparidad en salud incorporando; a) los aspectos claves de su conceptualización, b) la evolución histórica del concepto, c) las estrategias que se han generado para enfrentarla, d) los factores considerados determinantes, y e) los aspectos éticos y la contribución de la investigación en la disminución de la DS.Health Disparities (HD) have been at the center of public attention for the past century. They have been analyzed from diverse perspectives utilizing various terms as synonyms that can lead to confusion and inequality at the moment of operationalization. Despite this, it is important to indicate that publications agree that HD are essential determinants that must be considered in the definition of public policy. The objective of this publication is to analyze health disparities incorporating; (a) key aspects in their conceptualization, (b) the historic evolution of the concept, (c) strategies that have been generated to confront them, (d) determining factors, and (e) ethical aspects and the contribution of research in decreasing HD.

Desigualdades socioeconómicas en la utilización de servicios de salud bucal: estudio en escolares mexicanos de 6 a 12 años de edad

El objetivo del estudio fue evaluar la asociación entre diversos indicadores socioeconómicos y la utilización de servicios de salud bucal. Se realizó un estudio transversal en 3.048 escolares. La variable utilización de servicios de salud bucal y las variables sociodemográficas y socioeconómicas se colectaron a través de un cuestionario dirigido a las madres. Para determinar las necesidades de salud se realizó un examen clínico bucal a los niños. Las asociaciones ajustadas fueron evaluadas con regresión logística politómica. Las variables asociadas a servicios preventivos y curativos fueron mayor edad, mayor frecuencia de cepillado y menor edad al inicio de cepillado dental, tener seguro público o privado, y mejor nivel socioeconómico. Además, sólo para los servicios preventivos, también se asoció estar inscrito en una escuela privada, y sólo para los servicios curativos, la posesión de automóvil y tener necesidades de salud bucal entre moderadas y muy altas. Los resultados sugieren la existencia de desigualdades socioeconómicas en la utilización de servicios de salud bucal en niños mexicanos.

Misspecification of the effect of race in fixed effects models of health inequalities

The purpose of this study is to characterize the different results obtained when analyzing health inequalities data in which individuals are nested within their neighborhoods and a single level model is used to characterize risk rather than a multilevel model. The inability of single level models to characterize between neighborhood variance in risk may affect the level of risk attributed to black race if blacks are differentially distributed in high risk neighborhoods. The research replicates in Los Angeles an approach applied by a different group of researchers in Massachusetts (Subramanian, Chen, Rehkopf, Waterman, & Krieger, 2005). Single level and multilevel models were used to analyze Los Angeles County, California, US all-cause mortality data for the years 1989-1991, modeled as 29,936 cells (deaths and population denominators cross-tabulated by age, gender, and race/ethnicity) nested within 1552 census tracts. Overall blacks had 1.27 times the risk of mortality compared to whites. However, multilevel models demonstrated considerable between census tract variance in mortality for both blacks and whites which was partially explained by neighborhood poverty. Comparing the results of equivalent single level and multilevel models, the mortality odds ratio for blacks compared to the white reference group reversed itself, indicating greater risk for blacks in the single level model and lower risk in the multilevel model. Adding an area based socioeconomic measure (ABSM) to the single level model reduced but did not remove the discrepancy. Predictions of mortality risk for the interaction of race and age group demonstrate that all single level models exaggerated the mortality risk associated with black race. We conclude that characterizing health inequalities in mortality for blacks using single level models, which do not account for the cross level interaction created by the greater likelihood of black residence in neighborhoods where the risk of mortality is greater regardless of race, can exaggerate the risk of mortality attributable to the individual level effects of black race.

From paradox to disparity: trends in neonatal death in very low birth weight non-Hispanic black and white infants, 1989-2004

OBJECTIVES

To examine temporal trends in race-specific neonatal death in California to determine whether the overall decline in mortality attenuated the paradoxical survival advantage of very low birth weight (VLBW; birth weight < 1500 g) non-Hispanic black infants relative to VLBW non-Hispanic white infants.

STUDY DESIGN

The data set comprised the California birth cohort file on non-Hispanic black and non-Hispanic white VLBW neonatal mortality for 1989-2004. Logistic regression methods were used to control for potentially confounding maternal characteristics.

RESULTS

In 1989 and 1990, non-Hispanic black VLBW infants demonstrated a paradox of lower neonatal mortality (adjusted odds ratio [aOR] = 0.84; 95% confidence interval [CI] = 0.75-0.94). This survival advantage disappeared after 1991, however. In 2003 and 2004, the incidence of neonatal mortality increased in non-Hispanic black VLBW infants but decreased in non-Hispanic white VLBW infants, resulting in a racial disparity (aOR = 1.34; 95% CI = 1.14-1.56).

CONCLUSIONS

An initial survival paradox transformed into a disparity. The magnitude of this non-Hispanic black/non-Hispanic white VLBW disparity rose to its highest levels in the last 2 years of the study period. Moreover, the steady mortality increase in VLBW non-Hispanic black VLBW infants since 2001 reversed the secular decline in neonatal mortality in this population. Our findings underscore the need to augment strategies to improve the health trajectory of gestation in non-Hispanic black women.

Crisis and emergency risk communication in a pandemic: a model for building capacity and resilience of minority communities

As public health agencies prepare for pandemic influenza, it is evident from our experience with Hurricane Katrina that these events will occur in the same social, historical, and cultural milieu in which marked distrust of government and health disparities already exist. This article grapples with the challenges of crisis and emergency risk communication with special populations during a pandemic. Recognizing that targeting messages to specific groups poses significant difficulties at that time, this article proposes a model of community engagement, disaster risk education, and crisis and emergency risk communication to prepare minority communities and government agencies to work effectively in a pandemic, build the capacity of each to respond, and strengthen the trust that is critical at such moments. Examples of such engagement and potential strategies to enhance trust include tools familiar to many health educators.

Promoting prostate-specific antigen informed decision-making. Evaluating two community-level interventions

BACKGROUND

Most medical associations recommend that patients make informed decisions about whether to be screened for prostate cancer with the prostate-specific antigen (PSA) test. Studies assessing how to promote PSA informed decision-making (IDM) have been conducted almost exclusively in healthcare settings; there is a need for similar research in community settings.

METHODS

This paper describes the results of a 5-year study (2002--2007) in which two community-level interventions were developed, implemented, and evaluated in matched upper- and lower-SES comparison communities in Greensboro and Wilmington, North Carolina. Both interventions promoted PSA informed decision-making. One intervention (PSA-Only) consisted of educational information about prostate cancer and the PSA test, and the other (Men's Health) included additional information about recognizing and preventing heart attack, stroke, and colon cancer. Structured survey, semistructured interview, and structured observational data were combined to compare participating community residents' pre/post changes in knowledge, intentions, and behaviors related to PSA IDM.

RESULTS

The community-level interventions successfully engaged community participants in discussions, educated individuals, encouraged deliberation of information, and facilitated PSA test discussions with physicians. Men who participated in the PSA-Only educational sessions were more likely than those who attended the Men's Health educational sessions to discuss the PSA test with their physician (p=0.037).

CONCLUSIONS

When prospective SES-related confounding factors are matched across comparison communities, PSA IDM interventions can be shown to promote IDM. Framing the PSA test decision relative to less-ambiguous screening decisions does not appear to increase the likelihood of PSA IDM.

Dental health services utilization and associated factors in children 6 to 12 years old in a low-income country

OBJECTIVE

To determine the factors associated with the dental health services utilization among children ages 6 to 12 in León, Nicaragua.

MATERIAL AND METHODS

A cross-sectional study was carried out in 1,400 schoolchildren. Using a questionnaire, we determined information related to utilization and independent variables in the previous year. Oral health needs were established by means of a dental examination. To identify the independent variables associated with dental health services utilization, two types of multivariate regression models were used, according to the measurement scale of the outcome variable: a) frequency of utilization as (0) none, (1) one, and (2) two or more, analyzed with the ordered logistic regression and b) the type of service utilized as (0) none, (1) preventive services, (2) curative services, and (3) both services, analyzed with the multinomial logistic regression.

RESULTS

The proportion of children who received at least one dental service in the 12 months prior to the study was 27.7 percent. The variables associated with utilization in the two models were older age, female sex, more frequent toothbrushing, positive attitude of the mother toward the child's oral health, higher socioeconomic level, and higher oral health needs.

CONCLUSION

Various predisposing, enabling, and oral health needs variables were associated with higher dental health services utilization. As in prior reports elsewhere, these results from Nicaragua confirmed that utilization inequalities exist between socioeconomic groups. The multinomial logistic regression model evidenced the association of different variables depending on the type of service used.

Neighborhood influences on the association between maternal age and birthweight: a multilevel investigation of age-related disparities in health

It was hypothesized that the relationship between maternal age and infant birthweight varies significantly across neighborhoods and that such variation can be predicted by neighborhood characteristics. We analyzed 229,613 singleton births of mothers aged 20-45 years from Chicago, USA in 1997-2002. Random coefficient models were used to estimate the between-neighborhood variation in age-birthweight slopes, and both intercepts- and-slopes-as-outcomes models were used to evaluate area-level predictors of such variation. The crude maternal age-birthweight slopes for neighborhoods ranged from a decrease of 17 g to an increase of 10 g per year of maternal age. Adjustment for individual-level covariates reduced but did not eliminate this between-neighborhood variation. Concentrated poverty was a significant neighborhood-level predictor of the age-birthweight slope, explaining 44.4% of the between-neighborhood variation in slopes. Neighborhoods of higher economic disadvantage showed a more negative age-birthweight slope. The findings support the hypothesis that the relationship between maternal age and birthweight varies between neighborhoods. Indicators of neighborhood disadvantage help to explain such differences.

Potential implications of missing income data in population-based surveys: an example from a postpartum survey in California

OBJECTIVES

Income data are often missing for substantial proportions of survey participants and these records are often dropped from analyses. To explore the implications of excluding records with missing income, we examined characteristics of survey participants with and without income information.

METHODS

Using statewide population-based postpartum survey data from the California Maternal and Infant Health Assessment, we compared the age, education, parity, marital status, timely prenatal care initiation, and neighborhood poverty characteristics of women with and without reported income data, overall, and by race/ethnicity/nativity.

RESULTS

Overall, compared with respondents who reported income, respondents with missing income information generally appeared younger, less educated, and of lower parity. They were more likely to be unmarried, to have received delayed or no prenatal care, and to reside in poor neighborhoods; and they generally appeared more similar to lower- than higher-income women. However, the patterns appeared to vary by racial/ethnic/nativity group. For example, among U.S.-born African American women, the characteristics of the missing-income group were generally similar to those of low-income women, while European American women with missing income information more closely resembled their moderate-income counterparts.

CONCLUSIONS

Respondents with missing income information may not be a random subset of population-based survey participants and may differ on other relevant sociodemographic characteristics. Before deciding how to deal analytically with missing income information, researchers should examine relevant characteristics and consider how different approaches could affect study findings. Particularly for ethnically diverse populations, we recommend including a missing income category or employing multiple-imputation techniques rather than excluding those records.

Social inequalities in use of prenatal care in Manitoba

OBJECTIVE

Analysis of regional variations in use of prenatal care to identify individual-level and neighbourhood-level determinants of inadequate prenatal care among women giving birth in the province of Manitoba.

METHODS

Data were obtained from Manitoba Health administrative databases and the 1996 Canadian Census. An index of prenatal care use was calculated for each singleton live birth from 1991 to 2000 (N = 149,291). Births were geocoded into 498 geographic districts, and a spatial analysis was conducted, consisting of data visualization, spatial clustering, and data modelling using Poisson regression.

RESULTS

We found wide variation in rates of inadequate prenatal care across geographic areas, ranging from 1.1% to 21.5%. Higher rates of inadequate care were found in the inner-city of Winnipeg and in northern Manitoba. After adjusting for individual characteristics, the highest rates of inadequate prenatal care were among women living in neighbourhoods with the lowest average family income, the highest proportion of the population who were unemployed, the highest rates of recent immigrants, the highest percentage of the population reporting Aboriginal status, the highest percentage of single parent families, the highest percentage of the population with fewer than nine years of education, and the highest rates of women who smoked during pregnancy.

CONCLUSION

Social inequalities exist in the use of prenatal care among Manitoba women, despite there being a universally funded health care system. Regional disparities in rates of inadequate prenatal care emphasize the need for further research to determine specific risk factors for inadequate prenatal care in socioeconomically disadvantaged neighbourhoods, followed by provision of effective targeted services.

Meta-analysis of racial disparities in survival in association with socioeconomic status among men and women with colon cancer

BACKGROUND

Few studies have addressed racial disparities in survival for colon cancer by adequately incorporating both treatment and socioeconomic factors, and the findings from those studies have been inconsistent. The objectives of the current study were to systematically review the existing literature and provide a more stable estimate of the measures of association between socioeconomic status and racial disparities in survival for colon cancer by undertaking a meta-analysis.

METHODS

For this meta-analysis, the authors searched the MEDLINE database to identify articles published in English from 1966 to August 2006 that met the following inclusion criteria: original research articles that addressed the association between race/ethnicity and survival in patients with colon or colorectal cancer after adjusting for socioeconomic status. In total, 66 full articles were reviewed, and 56 of those articles were excluded, which left 10 studies for the final analysis.

RESULTS

The pooled hazard ratio (HR) for African Americans compared with Caucasians was 1.14 (95% confidence interval [95% CI], 1.00-1.29) for all-cause mortality and 1.13 (95% CI, 1.01-1.28) for colon cancer-specific mortality. The test for homogeneity of the HR was statistically significant across the studies for all-cause mortality (Q=31.69; P<.001) but was not significant across the studies for colon cancer-specific mortality (Q=7.45; P=.114).

CONCLUSIONS

Racial disparities in survival for colon cancer between African Americans and Caucasians were only marginally significant after adjusting for socioeconomic factors and treatment. Attempts to modify treatment and socioeconomic factors with the objective of reducing racial disparities in health outcomes may have important clinical and public health implications.

Perceived discrimination, socioeconomic disadvantage and refraining from seeking medical treatment in Sweden

STUDY OBJECTIVE

To analyse the association between perceived discrimination and refraining from seeking required medical treatment and the contribution of socioeconomic disadvantage.

DESIGN AND SETTING

Data from the Swedish National Survey of Public Health 2004 were used for analysis. Respondents were asked whether they had refrained from seeking required medical treatment during the past 3 months. Perceived discrimination was based on whether respondents reported that they had been treated in a way that made them feel humiliated (due to ethnicity/race, religion, gender, sexual orientation, age or disability). The Socioeconomic Disadvantage Index (SDI) was developed to measure economic deprivation (social welfare beneficiary, being unemployed, financial crisis and lack of cash reserves).

PARTICIPANTS

Swedish population-based survey of 14,736 men and 17,115 women.

MAIN RESULTS

Both perceived discrimination and socioeconomic disadvantage were independently associated with refraining from seeking medical treatment. Experiences of frequent discrimination even without any socioeconomic disadvantage were associated with three to nine-fold increased odds for refraining from seeking medical treatment. A combination of both frequent discrimination and severe SDI was associated with a multiplicative effect on refraining from seeking medical treatment, but this effect was statistically more conclusive among women (OR = 11.6, 95% CI 8.1 to 16.6; Synergy Index (SI) = 2.0 (95% CI 1.2 to 3.2)) than among men (OR = 12, 95% CI 7.7 to 18.7; SI = 1.6 (95% CI 1.3 to 2.1)).

CONCLUSIONS

The goal of equitable access to healthcare services cannot be achieved without public health strategies that confront and tackle discrimination in society and specifically in the healthcare setting.

Socioeconomic disadvantage and primary non-adherence with medication in Sweden

OBJECTIVE

Lack of adherence with pharmacological therapy is a public health concern that compels tremendous costs for the health care system and the community. To analyse the association between socioeconomic disadvantage and primary non-adherence with medication, and to explore possible mediating effects of trust in health care and lifestyle profile.

DESIGN

Cross-sectional population-based study based on data from the Swedish national public health surveys 2004-2005.

PARTICIPANTS

The study comprised 13603 men and 18292 women aged 21-84 years who had any contact with a physician at a hospital or primary care centre. Measures Primary non-adherence with medication based on whether respondents reported that they refrained from purchasing at the pharmacy prescribed medication. Socioeconomic Disadvantage Index was based on four different indicators of economic deprivation.

RESULTS

Socioeconomic disadvantage was associated with primary non-adherence with medication independent of long-term illness, risky lifestyle, low education, living alone and low trust for health care. This association increased with older age, particularly among women. Among individuals aged 21-34 years, severe compared with no socioeconomic disadvantage, was associated with two-fold increased odds for non-adherence with medication. The corresponding odds among individuals aged 65-84 years were three-fold increase among elderly men (OR=3.3, 95% CI: 1.4-7.8) and six-fold increase among elderly women (OR=6.2, 95% CI: 2.5-15.3). Yet every seventh elderly woman aged 65-84 years suffered from long-term illness.

CONCLUSIONS

Results indicate that health policies for 'care on equal terms' in Sweden have been less successful in relation to equitable access to prescribed medication, especially among the elderly.

Use of preventive care by the working poor in the United States

OBJECTIVE

Examine the association between poverty and preventive care use among older working adults.

METHOD

Cross-sectional analysis of the pooled 1996, 1998 and 2000 waves of the Health and Retirement Study, a nationally representative sample of older community-dwelling adults, studying self-reported use of cervical, breast, and prostate cancer screening, as well as serum cholesterol screening and influenza vaccination. Adults with incomes within 200% of the federal poverty level were defined as poor.

RESULTS

Among 10,088 older working adults, overall preventive care use ranged from 38% (influenza vaccination) to 76% (breast cancer screening). In unadjusted analyses, the working poor were significantly less likely to receive preventive care. After adjustment for insurance coverage, education, and other socio-demographic characteristics, the working poor remained significantly less likely to receive breast cancer (RR 0.92, 95% CI, 0.86-0.96), prostate cancer (RR 0.89, 95% CI, 0.81-0.97), and cholesterol screening (RR 0.91, 95% CI, 0.86-0.96) than the working non-poor, but were not significantly less likely to receive cervical cancer screening (RR 0.96, 95% CI, 0.90-1.01) or influenza vaccination (RR 0.92, 95% CI, 0.84-1.01).

CONCLUSION

The older working poor are at modestly increased risk for not receiving preventive care.

Racial disparities and socioeconomic status in association with survival in a large population-based cohort of elderly patients with colon cancer

BACKGROUND

To the authors' knowledge, few studies have addressed racial disparities in the survival of patients with colon cancer by adequately incorporating treatment and socioeconomic factors in addition to patient and tumor characteristics.

METHODS

The authors studied a nationwide and population-based, retrospective cohort of 18,492 men and women who were diagnosed with stage II or III colon cancer at age >or=65 years between 1992 and 1999. This cohort was identified from the Surveillance, Epidemiology, and End Results (SEER) cancer registries-Medicare linked databases and included up to 11 years of follow-up.

RESULTS

A larger proportion (70%) of African-American patients with colon cancer fell into the poorest quartiles of socioeconomic status compared with Caucasians (21%). Patients who lived in communities with the lowest socioeconomic level had 19% higher all-cause mortality compared with patients who lived in communities with the highest socioeconomic status (hazards ratio [HR], 1.19; 95% confidence interval [95% CI], 1.13-1.26; P < .001 for trend). The risk of dying was reduced only slightly after controlling for race/ethnicity (HR, 1.17; 95% CI, 1.10-1.24). Compared with Caucasian patients with colon cancer, African-American patients were 21% more likely to die after controlling for age, sex, comorbidity scores, tumor stage, and grade (HR, 1.21; 95% CI, 1.12-1.30). After also adjusting for definitive therapy and socioeconomic status, the HR of mortality was only marginally significantly higher in African Americans compared with Caucasians for all-cause mortality (HR, 1.10; 95% CI, 1.02-1.19) and colon cancer-specific mortality (HR, 1.16; 95% CI, 1.01-1.33).

CONCLUSIONS

Lower socioeconomic status and lack of definitive treatment were associated strongly with decreased survival in both men and women with colon cancer. Racial disparities in survival were explained substantially by differences in socioeconomic status.