Characteristics of Long-Term–Care Facility Residents Associated With Receipt of Influenza and Pneumococcal Vaccinations

Dementia and influenza vaccination: Time trends and predictors of vaccine uptake among older adults

PURPOSE

Older adults with dementia are at an increased risk of hospitalizations with respiratory infections and death, emphasizing the need for a greater focus on preventive measures. In this study, we investigated the uptake of influenza vaccines among older adults with and without dementia.

METHODS

We conducted a cross-sectional study with data from national registries on the entire Danish population aged ≥65 years. We mapped time trends of vaccination for each vaccination season (September to August) from 2002/03 to 2018/19. Using multivariable logistic regression, we estimated the odds of vaccination in 2018/19 in nursing home residents and home-living older adults with and without dementia.

RESULTS

We included 800,387 individuals in 2002/03 and 1,122,319 in 2018/19. After a period of similar and increasing uptake of influenza vaccines among people with and without dementia, the uptake plateaued from 2007/08 to 2018/19 and was consistently higher in those with dementia during this period. The odds of vaccination in 2018/19 were lower for home-living people with dementia compared to home-living people without dementia (OR: 0.76; 95 % CI: 0.74-0.78). The highest odds were among nursing home residents both with (OR: 1.28; 95 % CI:1.24-1.33) and without dementia (1.18; 95 % CI: 1.14-1.22).

CONCLUSION

Between 2002/03 and 2018/19 vaccine coverage among older adults in Denmark was <60 %, regardless of dementia status, not reaching the WHO target of 75 %. Home-living older adults with dementia were 24 % less likely to receive an influenza vaccine, representing an important target group for future vaccination programs.

Geographic Variation in Influenza Vaccination Disparities Between Hispanic and Non-Hispanic White US Nursing Home Residents

BACKGROUND

Disparities in influenza vaccination exist between Hispanic and non-Hispanic White US nursing home (NH) residents, but the geographic areas with the largest disparities remain unknown. We examined how these racial/ethnic disparities differ across states and hospital referral regions (HRRs).

METHODS

This retrospective cohort study included >14 million short-stay and long-stay US NH resident-seasons over 7 influenza seasons from October 1, 2011, to March 31, 2018, where residents could contribute to 1 or more seasons. Residents were aged ≥65 years and enrolled in Medicare fee-for-service. We used the Medicare Beneficiary Summary File to ascertain race/ethnicity and Minimum Data Set assessments for influenza vaccination. We calculated age- and sex-standardized percentage point (pp) differences in the proportions vaccinated between non-Hispanic White and Hispanic (any race) resident-seasons. Positive pp differences were considered disparities, where the proportion of non-Hispanic White residents vaccinated was greater than the proportion of Hispanic residents vaccinated. States and HRRs with ≥100 resident-seasons per age-sex stratum per racial/ethnic group were included in analyses.

RESULTS

Among 7 442 241 short-stay resident-seasons (94.1% non-Hispanic White, 5.9% Hispanic), the median standardized disparities in influenza vaccination were 4.3 pp (minimum, maximum: 0.3, 19.2; n = 22 states) and 2.8 pp (minimum, maximum: -3.6, 10.3; n = 49 HRRs). Among 6 758 616 long-stay resident-seasons (93.7% non-Hispanic White, 6.5% Hispanic), the median standardized differences were -0.1 pp (minimum, maximum: -4.1, 11.4; n = 18 states) and -1.8 pp (minimum, maximum: -6.5, 7.6; n = 34 HRRs).

CONCLUSIONS

Wide geographic variation in influenza vaccination disparities existed across US states and HRRs. Localized interventions targeted toward areas with high disparities may be a more effective strategy to promote health equity than one-size-fits-all national interventions.

Correlation of long-term care facility vaccination practices between seasons and resident types

Background

Influenza vaccination varies widely across long-term care facilities (LTCFs) due to staff behaviors, LTCF practices, and patient factors. It is unclear how seasonal LTCF vaccination varies between cohabitating but distinct short-stay and long-stay residents. Thus, we assessed the correlation of LTCF vaccination between these populations and across seasons.

Methods

The study design is a national retrospective cohort using Medicare and Minimum Data Set (MDS) data. Participants include U.S. LTCFs. Short-stay and long-stay Medicare-enrolled residents age ≥ 65 in U.S. LTCFs from a source population of residents during October 1^st-March 31^st in 2013–2014 (3,042,881 residents; 15,683 LTCFs) and 2014–2015 (3,143,174, residents; 15,667 LTCFs). MDS-assessed influenza vaccination was the outcome. Pearson correlation coefficients were estimated to assess seasonal correlations between short-stay and long-stay resident vaccination within LTCFs.

Results

The median proportion of short-stay residents vaccinated across LTCFs was 70.4% (IQR, 50.0–82.7%) in 2013–2014 and 69.6% (IQR, 50.0–81.6%) in 2014–2015. The median proportion of long-stay residents vaccinated across LTCFs was 85.5% (IQR, 78.0–90.9%) in 2013–2014 and 84.6% (IQR, 76.6–90.3%) in 2014–2015. Within LTCFs, there was a moderate correlation between short-stay and long-stay vaccination in 2013–2014 (r = 0.50, 95%CI: 0.49–0.51) and 2014–2015 (r = 0.53, 95%CI: 0.51–0.54). Across seasons, there was a moderate correlation for LTCFs with short-stay residents (r = 0.54, 95%CI: 0.53–0.55) and a strong correlation for those with long-stay residents (r = 0.68, 95%CI: 0.67–0.69).

Conclusions

In LTCFs with inconsistent influenza vaccination across seasons or between populations, targeted vaccination protocols for all residents, regardless of stay type, may improve successful vaccination in this vulnerable patient population.

Supplementary Information

The online version contains supplementary material available at 10.1186/s12877-022-03540-3.

US nursing home residents receiving PCV13 in the SNF by recorded pneumococcal vaccination up-to-date status, 2014-2018

BACKGROUND

Since PCV13 was recommended in 2014, the characteristics of nursing home (NH) residents (and their facilities) recorded by facilities as not up-to-date with pneumococcal vaccination upon admission were unknown, and it is unknown if they received PCV13 in the NH.

METHODS

We conducted a retrospective cohort of NH residents of Centers for Medicare and Medicaid (CMS)-certified skilled nursing facilities from October 1, 2014, through September 22, 2018. CMS' Minimum Data Set (MDS) was linked to Medicare Part B Carrier claims to corroborate pneumococcal vaccination up-to-date status in the MDS with pneumococcal vaccination claims. The primary outcome of interest was vaccination with PCV13 versus nonreceipt among those identified as "not up to date" according to facility MDS records. We estimated generalized estimating equation (GEE) models.

RESULTS

Of the 1,459,814 residents recorded not up-to-date, (78.2%) had no Part B claims for PCV13 before or in the NH, the majority of whom (71.5%) were reported to have refused the vaccine when offered. Only 1.3% subsequently received PCV13 within 99 days after NH admission. In adjusted analyses, residents less likely to receive PCV13 in the NH than those who did included: residence in a for-profit facility (OR: 0.94 [95% CI: 0.89, 0.99]); male (OR: 0.92 [95% CI:0.89, 0.95]); black race (OR: 0.71 (95%CI: 0.66, 0.77); Hispanic ethnicity (OR: 0.69 [95%CI: 0.59, 0.75]); severely cognitively impaired compared with any lesser degree of impairment; had diabetes (OR: 0.93 [95%CI: 0.89, 0.97]); long-stay (≥100 days) compared with short-stay residents (OR: 0.17 (95%CI: 0.15, 0.20); and did not receive the influenza vaccine (OR: 0.74 (95%CI: 0.71, 0.77).

CONCLUSIONS

Due to refusals, few NH residents recorded not up-to-date on pneumococcal vaccinations from 2014 to 2018 received PCV13 within three months of admission. Strategies to promote newly recommended PCV15 or PCV20 vaccination upon NH admission may be needed.

Fostering healthy aging: The interdependency of infections, immunity and frailty

Untangling the interdependency of infections, immunity and frailty may help to clarify their roles in the maintenance of health in aging individuals, and the recent COVID-19 pandemic has further highlighted such priority. In this scoping review we aimed to systematically collect the evidence on 1) the impact of common infections such as influenza, pneumonia and varicella zoster on frailty development, and 2) the role played by frailty in the response to immunization of older adults. Findings are discussed under a unifying framework to identify knowledge gaps and outline their clinical and public health implications to foster a healthier aging. Twenty-nine studies (113,863 participants) selected to answer the first question provided a moderately strong evidence of an association between infections and physical as well as cognitive decline - two essential dimensions of frailty. Thirteen studies (34,520 participants) investigating the second aim, showed that frailty was associated with an impaired immune response in older ages, likely due to immunosenescence. However, the paucity of studies, the absence of tools to predict vaccine efficacy, and the lack of studies investigating the efficacy of newer vaccines in presence of frailty, strongly limit the formulation of more personalized immunization strategies for older adults. The current evidence suggests that infections and frailty repeatedly cross each other pathophysiological paths and accelerate the aging process in a vicious circle. Such evidence opens to several considerations. First, the prevention of both conditions pass through a life course approach, which includes several individual and societal aspects. Second, the maintenance of a well-functioning immune system may be accomplished by preventing frailty, and vice versa. Third, increasing the adherence to immunization may delay the onset of frailty and maintain the immune system homeostasis, beyond preventing infections.

Geographic variation in influenza vaccination among U.S. nursing home residents: A national study

Objectives

Estimates of influenza vaccine use are not available at the county level for U.S. nursing home (NH) residents but are critically necessary to guide the implementation of quality improvement programs aimed at increasing vaccination. Furthermore, estimates that account for differences in resident characteristics between counties are unavailable. We estimated risk‐standardized vaccination rates (RSVRs) among short‐ and long‐stay NH residents by U.S. county and identified drivers of geographic variation.

Methods

We conducted a retrospective cohort study utilizing 100% of 2013–2015 fee‐for‐service Medicare claims, Minimum Data Set assessments, Certification and Survey Provider Enhanced Reports, and Long‐Term Care: Facts on Care in the U.S. We separately evaluated short‐stay (<100 days) and long‐stay (≥100 days) residents aged 65 and older across the 2013–2014 and 2014–2015 influenza seasons. We estimated RSVRs via hierarchical logistic regression adjusting for 32 resident‐level covariates. We then used multivariable linear regression models to assess associations between county‐level NHs predictors and RSVRs.

Results

The study cohort consisted of 2,817,217 residents in 14,658 NHs across 2798 counties. Short‐stay residents had lower RSVRs than long‐stay residents (2013–2014: median [interquartile range], 69.6% [62.8–74.5] vs 84.0% [80.8–86.4]), and there was wide variation within each population (range, 11.4–89.8 vs 49.1–92.6). Several modifiable facility‐level characteristics were associated with increased RSVRs, including higher registered nurse to total nurse ratio and higher total staffing for licensed practical nurses, speech‐language pathologists, and social workers. Characteristics associated with lower RSVRs included higher percentage of residents restrained, with a pressure ulcer, and NH‐level hospitalizations per resident‐year.

Conclusions

Substantial county‐level variation in influenza vaccine use exists among short‐ and long‐stay NH residents. Quality improvement interventions to improve vaccination rates can leverage these results to target NHs located in counties with lower risk‐standardized vaccine use.

Comparison of the Quality of Chronic Disease Management Between Adults With and Without Dementia

Importance

Adults with dementia may experience poorer quality of chronic disease management because of the difficulty in reporting symptoms and engaging in shared decision-making associated with cognitive impairment.

Objective

To compare the quality of chronic disease management received by adults with and without dementia.

Design, Setting, and Participants

For this cross-sectional study, nationally representative data from noninstitutionalized patients 65 years or older were obtained from the 2002-2015 Medical Expenditure Panel Survey. The control group comprised adults of similarly limited life expectancy without dementia comprised . Data analysis was performed in June 2020.

Exposures

Dementia diagnosis.

Main Outcomes and Measures

Quality of chronic disease management based on 14 individual quality indicators. The association between dementia status and the quality of chronic disease management (3 composite categories: preventive care, diabetes care, and medication treatment) was examined using multivariable linear regression models. Survey weights, sampling strata, and primary sampling unit variables were used to produce national estimates adjusted for nonresponse.

Results

This study included 2506 adults (mean [SD] age, 81.4 [4.7] years; 1259 [49.3%] female; 1243 [50.7%] male), of whom 1335 (53.3%) had a diagnosis of dementia and 1171 (46.7%) did not have a diagnosis of dementia. After adjusting for potential confounders, adults with dementia received lower-quality preventive care compared with adults of similar life expectancy without dementia (adjusted absolute difference [aAD], -6.1 percentage points [pp]; 95% CI, -9.7 to -2.5 pp; P = .001). We found no evidence that the quality of care differed in diabetes care (aAD, 1.7 pp; 95% CI, -4.5 to 7.9 pp; P = .59) and medication treatment (aAD, 1.0 pp; 95% CI, -5.0 to 7.0 pp; P = .75).

Conclusions and Relevance

In this cross-sectional study, the quality of chronic disease management for adults with dementia was not substantially different from that for those without dementia despite potential barriers. Future studies are warranted to gain a better understanding of the underlying mechanism of these findings for preventive care.

Racial/Ethnic Differences in Receipt of Influenza and Pneumococcal Vaccination among Long-Stay Nursing Home Residents

OBJECTIVE/STUDY QUESTION

To examine racial/ethnic differences in influenza and pneumococcal vaccination receipt and nonreceipt among nursing home (NH) residents post implementation of federal vaccination policy. DATA SOURCES/STUDY SETTING/STUDY DESIGN/DATA COLLECTION/EXTRACTION METHODS: An analysis of a merged national cross-sectional dataset containing resident assessment, facility, and community data for years 2010-2013 was conducted. Logistic regressions omitting and including facility fixed effects were used to examine the influence of race and ethnicity (black, Hispanic, white) and black concentration on vaccination status across and within NHs.

PRINCIPLE FINDINGS

Vaccination receipt of 107,874 residents in 742 NHs was examined. Blacks were less likely than whites to receive influenza and pneumococcal vaccinations (OR = 0.75; OR = 0.81, respectively, p-values <.001). The likelihood of not being offered the influenza vaccination was greater for blacks (OR=1.25, p = .004) and the likelihood of not being offered the pneumococcal vaccination was greater for Hispanics (OR = 1.65, p = .04) compared to whites. Fixed effects showed that within the same NH, Hispanics were more likely to receive both vaccinations compared to whites (OR=1.22, p = .004 (influenza); OR=1.34, p < .001 (pneumococcal)). Facilities highly concentrated with blacks accounted for large proportions of differences seen in vaccination receipt.

CONCLUSIONS

Racial/ethnic differences remain despite policy changes. Focused strategies aimed at NH personnel and racially segregated NHs are critical to improving vaccination delivery and eliminating disparities in care.

Racial/Ethnic Disparities in Influenza and Pneumococcal Vaccinations Among Nursing Home Residents: A Systematic Review

This systematic review analyzes research examining racial/ethnic disparities in influenza and pneumococcal vaccination coverage between White and racial/ethnic minority (Black and Hispanic) nursing home residents. A review of the literature for years 1966-2014 using Medline, Web of Science, and PubMed was conducted. The Epidemiological Appraisal Instrument was used to appraise the quality of the 13 included studies. Overall, articles were strong in reporting and data analysis, but weak in sample selection and measurement quality. Disparities between vaccination coverage among racial/ethnic minorities versus Whites ranged from 2% to 20% for influenza and 6% to 15% for pneumococcal vaccination. Researchers reported racial/ethnic minorities were more likely to refuse vaccinations and less likely to have vaccinations offered and their vaccination status tracked compared to Whites. Policies/strategies that focus on ensuring racial/ethnic minorities are offered influenza and pneumococcal vaccinations and their vaccination status are tracked in nursing homes are warranted. Updated evaluation on vaccination disparities is also needed.

Effect of dementia on receipt of influenza vaccine: a cohort study in French older adults using administrative data: 2007-2012

Despite guidelines stating the vaccine benefit in this population, older adults with dementia may be less likely to receive influenza vaccine than cognitively intact older adults. But no study has yet reported on vaccine uptake in patients newly diagnosed with dementia or whether years since dementia diagnosis influences vaccine uptake. We conducted a cohort study in the French Health Insurance database (Echantillon Généraliste de Bénéficiaires) which contains hospital data and claims for a 1/97th random sample of the French population. Diseased subjects were ≥65 years and had a new record of dementia diagnosis between September 1, 2007, and August 31, 2008. Vaccine receipt was measured via influenza vaccine dispensing in community pharmacies. We described influenza vaccination rates up to 2011-2012 and estimated adjusted relative risks (aRR) for vaccine receipt each year using multivariate modified Poisson models controlling for sociodemographics, comorbidities, and health resources use. Four hundred and seven subjects with dementia (mean age 81.8 years, 69.3% females) and 4862 subjects (mean age 75.2 years, 61.3% females) without dementia were included. In 2008-2009, influenza vaccination prevalence was 70.0% (95% CI = [65.3-74.4]) and 70.2% (95% CI = [68.9-71.4]) in subjects with and without dementia, respectively (aRR = 0.93; 95% CI = [0.87-1.00]). In 2009-2010, the aRR was of the same magnitude (aRR = 0.96, 95% CI = [0.90-1.03]), but in 2010-2011 and 2011-2012, the aRR was 1.02 (95% CI = [0.94-1.11]) and 1.05 (95% CI = [0.96-1.14]), respectively. Subjects with dementia had a slightly nonsignificant lower receipt of influenza vaccine in the year following dementia diagnosis than subjects without dementia. In subsequent years, divergent trends were observed in vaccine uptake according to dementia status.

Influenza Immunization in Nursing Homes: Who Does Not Get Immunized and Whose Status Is Unknown?

Objective.

To identify nursing home resident and facility characteristics associated with patients not receiving influenza immunization and having unknown immunization status.

Design.

Secondary data analysis using multinomial logistic regression of data from the National Nursing Home Survey, a nationally representative establishment-based survey.

Setting.

A total of 1,423 nursing facilities of all ownerships and certifications systematically sampled with probability proportional to number of beds.

Patients.

A total of 7,350 randomly sampled people aged 65 years or older residing in nursing homes between July and December 1999 (approximately 6 per facility).

Main Outcome Measure.

Immunization status of residents.

Results.

Fifteen percent of residents were not immunized and 19% had unknown immunization status. In multivariate analysis, lack of immunization and unknown immunization status were each separately associated with being newly admitted, with no or unknown pneumococcal immunization, and with facility failures to screen for immunization and to record inoculation in the medical record. High-risk status and staff immunization requirements had no effect. Separate analyses showed that residents with unknown immunization status are statistically significantly different from both those vaccinated and those not vaccinated.

Conclusion.

This study indicates that both resident and facility characteristics are associated with failure to be immunized for influenza. Facilities should consider targeting younger, newly admitted, and residential care residents for influenza immunization, since they are more likely to be missed. Further research into the barriers to immunization specific to nursing home resident choice or opportunity may be warranted.

Impact of voluntary accreditation on short-stay rehabilitative measures in U.S. nursing homes

PURPOSE

To examine accreditation from nursing homes accredited by the Commission on Accreditation of Rehabilitation Facilities (CARF) and whether this is associated with improved rehabilitation care.

DESIGN

Cross-sectional association of CARF accreditation and quality.

METHODS

Comparison of the short-stay quality measures (influenza and pneumococcal vaccination; pain; delirium; pressures sores; five-star quality and health inspection scores) between the sample of 246 CARF-accredited homes compared with the 15,393 nursing homes in the 2010 On-Line Survey Certification of Automated Records (OSCAR).

FINDINGS

CARF-accredited nursing homes demonstrate better quality with regard to the short-stay quality measures.

CONCLUSIONS

Approaches beyond traditional regulation and governmental inspections are necessary to improve the quality of care in nursing homes.

CLINICAL RELEVANCE

During a patient's rehabilitation stay, minimizing iatrogenic complications is paramount. Given the findings of this study, it is unfortunate that very few nursing homes are CARF accredited.

Racial inequities in receipt of influenza vaccination among nursing home residents in the United States, 2008-2009: a pattern of low overall coverage in facilities in which most residents are black

OBJECTIVES

Nationwide among nursing home residents, receipt of the influenza vaccine is 8 to 9 percentage points lower among blacks than among whites. The objective of this study was to determine if the national inequity in vaccination is because of the characteristics of facilities and/or residents.

DESIGN

Cross-sectional study with multilevel modeling.

SETTING AND PARTICIPANTS

States in which 1% or more of nursing home residents were black and the difference in influenza vaccination coverage between white and black nursing home residents was 1 percentage point or higher (n = 39 states and the District of Columbia). Data on residents (n = 2,359,321) were obtained from the Centers for Medicare & Medicaid Service's Minimum Data Set for October 1, 2008, through March 31, 2009.

MEASUREMENTS

Residents' influenza vaccination status (vaccinated, refused vaccine, or not offered vaccination).

RESULTS

States with higher overall influenza vaccination coverage among nursing home residents had smaller racial inequities. In nursing homes with higher proportions of black residents, vaccination coverage was lower for both blacks and whites. The most dramatic inequities existed between whites in nursing homes with 0% blacks (L1) and blacks in nursing homes with 50% or more blacks (L5) in states with overall racial inequities of 10 percentage points or more. In these states, more black nursing home residents lived in nursing homes with 50% or more blacks (L5); in general, the same homes with low overall coverage.

CONCLUSION

Inequities in influenza vaccination coverage among nursing home residents are largely because of low vaccination coverage in nursing homes with a high proportion of black residents. Findings indicate that implementation of culturally appropriate interventions to increase vaccination in facilities with larger proportions of black residents may reduce the racial gap in influenza vaccination as well as increase overall state-level vaccination.

The impact of dementia on influenza vaccination uptake in community and care home residents

BACKGROUND

Influenza vaccination is recommended for older people irrespective of cognitive decline or residential setting.

OBJECTIVE

To examine the effect of dementia diagnosis on flu vaccination uptake in community and care home residents in England and Wales.

METHODS

Retrospective analysis of a primary care database with 378,462 community and 9,106 care (nursing and residential) home residents aged 65-104 in 2008-09. Predictors of vaccine uptake were examined adjusted for age, sex, area deprivation and major chronic diseases.

RESULTS

Age and sex standardised uptake of influenza vaccine was 74.7% (95% CI: 73.7-75.8%) in community patients without dementia, 71.4% (69.3-73.5%) in community patients with dementia, 80.5% (78.9-82.2%) in care home patients without dementia and 83.3% (81.4-85.3%) in care home patients with dementia. In a fully adjusted model, compared with community patients without dementia, patients with dementia in the community were less likely to receive vaccination (RR: 0.96, 95% CI: 0.94-0.97) while care home patients with (RR: 1.06, 1.03-1.09) and without (RR: 1.03, 1.01-1.05) dementia were more likely to receive vaccination. Area deprivation and chronic diseases were, respectively, negative and positive predictors of uptake.

CONCLUSION

Lower influenza vaccine uptake among community patients with dementia, compared with care home residents, suggests organisational barriers to community uptake but high uptake among patients with dementia in care homes does not suggest concern over informed consent acts as a barrier. Primary care for community patients with dementia needs to ensure that they receive all appropriate preventive interventions.

Pneumonia in the long-term resident

Pneumonia in the long-term resident is common. It is associated with high morbidity and mortality. However, diagnosis and management of pneumonia in long-term care residents is challenging. This article provides an overview of the epidemiology, pathophysiology, diagnostic challenges, and management recommendations for pneumonia in this setting.

Correlations of nursing home characteristics with prescription of osteoporosis medications

BACKGROUND

Osteoporosis is highly prevalent in the nursing home (NH) populations but medications that increase bone mineral density are used infrequently. Prior research finds few patient characteristics predict treatment. NH characteristics have been associated with prescription of some medications. We examined associations of NH-level characteristics with osteoporosis treatment in elderly patients admitted to a NH after a fracture.

METHOD

We conducted a cohort study of patients with hip, wrist and humeral fractures admitted to a NH in NJ. They were followed for 12 months from 1999 to 2004. Possible NH-level predictors of receiving osteoporosis treatment were assessed in mixed multivariable models to account for clustering within individual NHs.

RESULTS

Of the 2838 post-fracture patients identified from 180 NHs, 156 (5.5%) were prescribed an osteoporosis medication. There was wide variation in treatment between individual NHs (0-40%), which was substantially reduced after adjusting for patient case mix. Several patient characteristics did associate with osteoporosis treatment-female gender (odds ratio (OR) 2.56, 95% confidence interval (CI) 1.42, 4.61), younger age per year (OR 0.98, 95%CI 0.96, 0.99), white race (OR 2.37, 95%CI 1.23, 4.56) and prior history of fracture (OR 4.41, 95%CI 1.04, 18.73). However no NH characteristics significantly associate with treatment (profit status, NH chain member, occupancy rate, and bed size).

CONCLUSION

NH characteristics did not predict pharmacological treatment of osteoporosis. Further studies of osteoporosis prescribing in NHs need to consider other types of variables as possible correlates of prescribing.

Influenza vaccination coverage among US nursing home nursing assistants: the role of working conditions

OBJECTIVES

To estimate influenza vaccination coverage among nursing assistants (NAs) working in US nursing homes, and to identify demographic and occupational predictors of vaccination status among NAs.

DESIGN, SETTING, AND PARTICIPANTS

Cross-sectional analysis of data on 2873 NAs from the 2004 National Nursing Assistant Survey. Multivariable-adjusted vaccination coverage (prevalence) ratios for demographic and occupational characteristics were calculated using Poisson regression.

MEASUREMENTS

Outcome variable was NAs' influenza vaccination status, yes or no, based on the question, "During the past 12 months, did you receive a flu shot?"

RESULTS

Coverage for all NAs working in US nursing homes was estimated to be 37.1%. NAs 45 or older were more likely to be vaccinated than younger NAs (prevalence ratio [PR] = 1.23, 95% confidence interval [CI]: 1.07-1.41). Significant negative associations with vaccination status were found for NAs who were non-Hispanic blacks (PR = 0.82, 95% CI: 0.70-0.97), disagreed that they were respected/rewarded for their work (PR = 0.85, 95% CI: 0.71-1.00), worked at for-profit facilities (PR = 0.83, 95% CI: 0.72-0.95), and reported receiving fewer than 7 of 15 nonwage job benefits (PR = 0.77, 95% CI: 0.67-0.90).

CONCLUSION

Influenza coverage among nursing home NAs appears to be similar to nationally reported coverage estimates among health care providers in the United States in general. In addition to individual characteristics, occupational characteristics reflective of working conditions are associated with vaccination status among NAs, suggesting that further research into these types of associations may be useful in identifying which institutions may benefit from outreach efforts and types of interventions to increase vaccination coverage.

Are standing order programs associated with influenza vaccination? - NNHS, 2004

BACKGROUND

Influenza vaccination coverage among nursing home residents has consistently been reported well below the Healthy People goals. We sought to determine if standing order programs (SOPs) in long-term care facilities are associated with greater influenza vaccination coverage among residents.

METHODS

The National Nursing Home Survey (2004) is cross-sectional. A total of 1152 US long-term care facilities were systematically sampled with probability proportional to number of beds. A total of 11,939 people aged 65 years or older residing in sampled long-term care facilities between August and December 2004 were randomly sampled. Influenza vaccination coverage of residents was obtained from facility records. Facility's immunization program included standing orders versus other (preprinted admission order, advance physician order, personal physician order, and no program). Multinomial logistic regression was used to examine the relationship between type of influenza immunization program and receipt of vaccination, adjusted for resident and facility confounders.

RESULTS

The proportion of residents aged 65 years or older who received influenza vaccination was 64%; 41% of residents lived in a facility with an SOP. Influenza vaccination coverage among residents residing in facilities with standing orders was 68% compared with 59% to 63% of residents in facilities with other program types. Logistic regression showed that standing order programs were independently associated with greater influenza vaccination coverage (66.7% versus 62.0%, P < .01).

CONCLUSION

This study indicates that residents in long-term care facilities having standing order programs for influenza were more likely to be immunized. More research needs to be done to understand how to facilitate adoption of these programs.

Racial disparities in receipt of influenza and pneumococcus vaccinations among US nursing-home residents

OBJECTIVES

We examined racial disparities in receipt and documentation of influenza and pneumococcus vaccinations among nursing-home residents.

METHODS

We performed secondary analyses of data from a nationally representative survey of White (n = 11 448) and Black (n = 1174) nursing-home residents in 2004. Bivariate and multivariate analyses determined racial disparities in receipt of influenza vaccination in 2003 and 2004, receipt of pneumococcus vaccination ever, and having a documented history for each vaccination.

RESULTS

The overall vaccination rate was 76.2% for influenza and 48.5% for pneumococcus infection. Compared with Whites, Blacks showed a 13% lower vaccination rate and a 5% higher undocumentation rate for influenza, and a 15% lower vaccination rate and a 7% higher undocumentation rate for pneumococcus. For influenza, the odds ratio (OR) for Blacks being unvaccinated was 1.84 (P < or = .001), and the OR for Blacks having undocumented vaccination was 1.85 (P = .001). For pneumococcus infection, the OR for Blacks being unvaccinated was 1.70 (P < or = .001), and the OR for Blacks having undocumented vaccination was 1.95 (P < or = .001). Stratified analyses confirmed persistent racial disparities among subpopulations.

CONCLUSIONS

Racial disparities exist in vaccination coverage among US nursing-home residents. Targeted interventions to improve vaccination coverage for minority nursing-home residents are warranted.

Influenza immunization coverage among residents of long-term care facilities certified by CMS, 2005-2006: the newest MDs quality indicator

BACKGROUND

In October 2005, the Centers for Medicare and Medicaid Services (CMS) required that long-term care (LTC) facilities certified by CMS offer each resident annual influenza vaccination. Subsequently, vaccination status was added to resident assessments collected beginning in the influenza season, 2005-2006. This is the first year immunization coverage can be reported based on a census of LTC residents.

OBJECTIVES

Report influenza immunization coverage for LTC residents by state, resident, and facility characteristics. Identify uses of the data and areas in need of improvement.

METHODS

Analysis of CMS' Minimum Data Set of 1,851,676 residents in nursing homes from October 1 through December 31 but who could have been discharged between January 1 and March 31 merged with data for 14,493 non-hospital-based facilities from the Online Survey and Certification Assessment Reporting System.

RESULTS

Overall, 83% of residents were offered the vaccine and 72% had received the vaccine. Almost 10% refused to receive the vaccine, 14% were not offered the vaccine, 1% were ineligible, and 3% were missing vaccination status. Vaccination coverage varied significantly among states (range: 49% to 87%). Fewer African Americans and Hispanics than whites were offered the vaccine (79% and 79% versus 84%, respectively) and received it (65% and 66% versus 73%, respectively); more African Americans refused the vaccine (12%) than residents of other races and/or ethnicities. Residents of Medicaid-certified-only facilities had higher levels of vaccination than residents of other facilities (82% versus < or =73%).

CONCLUSION

MDS immunization data can be used as surveillance to work with states to improve coverage. Further research to examine racial disparities in vaccination among LTC residents is needed.

Association of standing-order policies with vaccination rates in dialysis clinics: a US-based cross-sectional study

BACKGROUND

Patients with end-stage renal disease are at increased risk of morbidity and mortality because of infection. Quality improvement efforts for this patient population include assessment of institutional policies and practices that may increase vaccination rates for influenza, hepatitis B, and pneumococcal disease.

STUDY DESIGN

A survey of vaccination practices, beliefs, and attitudes was sent to all dialysis centers in End-Stage Renal Disease Networks 6, 11, and 15.

SETTING & PARTICIPANTS

Of 1,052 dialysis facilities considered, 683 returned the survey, reported vaccination rates for 2005 to 2006, and had 20 or more patients.

PREDICTOR OR FACTOR

Standing-order policy of the dialysis facility, categorized as facility-wide orders, preprinted admission orders for each patient (chart orders), physician-specific orders, and individual orders.

OUTCOMES

Vaccination rates for influenza, hepatitis B (full or partial series), hepatitis B, and pneumococcal vaccine.

MEASUREMENTS

Patient vaccination, given at or outside the center.

RESULTS

Overall vaccination rates were 76% +/- 18% (SD) for influenza, 73% +/- 22% for hepatitis B full or partial series, 62% +/- 25% for hepatitis B full series, and 44% +/- 34% for pneumococcal vaccine. Compared with individual orders, facility-wide standing orders and chart orders were not associated with greater vaccination rates for influenza (0.4%; confidence interval, -4 to 5; and 1.27%; confidence interval, -3 to 5, respectively), but were associated with greater vaccination rates for hepatitis B full or partial series (9%; confidence interval, 3 to 15; and 11%; confidence interval, 5 to 17, respectively), hepatitis B full series (11%; confidence interval, 4 to 17; and 13%; confidence interval, 7 to 19, respectively), and pneumococcal disease (21%; confidence interval, 14 to 29; and 20%; confidence interval, 13 to 27, respectively).

LIMITATIONS

Data are cross-sectional, and vaccinations outside the center were self-reported.

CONCLUSIONS

Existing facility-wide or chart-based order programs may be effective in promoting vaccination against hepatitis B and pneumococcal disease.

Factors associated with antimicrobial use in nursing homes: a multilevel model

OBJECTIVES

To describe antimicrobial prescribing patterns in nursing homes.

DESIGN

Retrospective, observational study.

SETTING

Total of 73 nursing homes in four U.S. states; study period was from September 1, 2001, through February 28, 2002.

PARTICIPANTS

Four thousand seven hundred eighty nursing home residents.

MEASUREMENTS

Number and type of antimicrobials, indication for their use, and resident and facility factors associated with antimicrobial use in nursing homes.

RESULTS

Of 4,780 residents, 2,017 (42%) received one or more antibiotic courses. Overall, residents received a mean of 4.8 courses/1,000 resident-days (mean facility range 0.4-23.5). In multivariable analysis, higher probability of nursing home discharge and of being categorized in the rehabilitation, extensive services, special care, or clinically complex Resource Utilization Groups were associated with higher rates of antimicrobial usage. Three drug classes accounted for nearly 60% of antimicrobial courses-fluoroquinolones (38%), first-generation cephalosporins (11%), and macrolides (10%). The most common conditions for which antimicrobials were prescribed were respiratory tract (33%) and urinary tract (32%) infections.

CONCLUSION

Antibiotic use is variable in nursing homes. Targeting educational and other antimicrobial use interventions to the treatment of certain clinical diagnoses and conditions may be an appropriate strategy for optimizing antimicrobial use in this setting.

Influenza and Pneumococcal Vaccine Coverages in Geriatric Health Care Settings in France

BACKGROUND

Annual immunization with influenza vaccine is effective in preventing influenza-associated mortality and morbidity in the elderly. Pneumococcal vaccination is also considered as an effective strategy to decrease pneumococcal-associated diseases and mortality, particularly in the geriatric health care setting. However, in France, influenza and pneumococcal vaccination coverage in senior citizens living in long-term care facilities has not been comprehensively evaluated.

OBJECTIVES

A prospective multicenter study was conducted to measure influenza and pneumococcal vaccine coverage and to assess the existence of local recommendations and the reasons for reluctance to immunize patients in geriatric health care settings in France. Two questionnaires were developed: the initial questionnaire to record the demographic characteristics of patients in health care facilities and to note influenza and pneumococcal vaccine coverage, and a second questionnaire, sent to all responders in June 2003, to record the number and causes of death (December 2002 to April 2003). Questions about the reasons for non-vaccination were added to all settings which had pneumococcal or influenza vaccination coverages below the median levels in the first query.

RESULTS

105 health care facilities measuring vaccine coverage in 7,882 elderly patients participated in the study. Of 105 units, 9 were acute care units (n = 203 patients), 22 rehabilitation care units (n = 923), 68 long-term care facilities (n = 6,458), and 6 nursing homes (n = 315). The median and mean age of patients was 83 (SD 3.5) years. Influenza and pneumococcal vaccine rates were 87.7% (median 90%, range 0-100%) and 21.9% (median 2.8%, range 0-100%), respectively. There were significant differences between the type of setting and wide variability. There was no correlation between vaccine coverage and local recommendations. Mortality was 15.2% and was negatively correlated with influenza vaccine. The reasons for non-vaccination evaluated in 20 units differed for influenza and pneumococcal vaccine.

CONCLUSION

Influenza vaccine coverage is high in long-term care settings but not in other settings. Pneumococcal vaccine coverage is very low in most settings, in part because of the lack of positive recommendations in France. Annual vaccination records are needed and should be a goal for the National Health Care Department. In addition, reasons for failure to administer both vaccines should be precisely evaluated on large populations to improve vaccination coverage.

Impact of the 2004-2005 influenza vaccine shortage on immunization practices in long-term care facilities

OBJECTIVE

To assess the response of long-term care facilities (LTCFs) to the 2004-2005 influenza vaccine shortage and the impact on resident and healthcare worker (HCW) immunization rates.

METHODS

A 12-item questionnaire was sent to 824 randomly selected LTCFs in December 2004. The following 2 open-ended questions were also asked: "How did you cope with the vaccine shortage?" and "Who helped you get your supply?" Immunization rates reported by LTCF administrators for 2003-2003 and 2003-2004 were compared with those for 2004-2005. Immunization rates were defined as the proportion of all eligible residents and HCWs who received influenza vaccine.

RESULTS

Responses were received from 380 LTCFs (46.3%), which had a total of 38,447 beds. Resident mean influenza immunization rates (+/-SD) decreased from 85%+/-15.3% in 2002-2003 and 85.1%+/-15.3% in 2003-2004 to 81.9%+/-19.4% in the 2004-2005 influenza season (P=.025). The immunization rates among HCWs also decreased from 51% in 2002-2003 and 2003-2004 to 38.4% in 2004-2005 (P<.001). In response to one of the open-ended questions, 96 facilities (25.3%) reported that they obtained vaccine from 2 or more sources. Eight percent commented on specific intensified infection control efforts, and only 2.3% commented on emergency preparedness.

CONCLUSIONS

The influenza vaccine shortage in 2004-2005 impacted immunization practices of LTCFs across the United States, leading to decreases in both resident and HCW vaccination rates. The significant decrease in vaccination rates in LTCFs is of concern and has broad implications for policy makers working on emergency preparedness for a possible pandemic of influenza.

Public health application comparing multilevel analysis with logistic regression: immunization coverage among long-term care facility residents

PURPOSE

Public health studies often sample populations using nested sampling plans. When the variance of the residual errors is correlated between individual observations as a result of these nested structures, traditional logistic regression is inappropriate. We used nested nursing home patient data to show that one-level logistic regression and hierarchical multilevel regression can yield different results.

METHODS

We performed logistic and multilevel regression to determine nursing home resident characteristics associated with receiving pneumococcal immunizations. Nursing home characteristics such as type of ownership, immunization program type, and certification were collected from a sample of 249 nursing homes in 14 selected states. Nursing home resident data including demographics, receipt of immunizations, cognitive patterns, and physical functioning were collected on 100 randomly selected residents from each facility.

RESULTS

Factors associated with receipt of pneumococcal vaccination using logistic regression were similar to those found using multilevel regression model with some exceptions. Predictors using logistic regression that were not significant using multilevel regression included race, speech problems, infections, renal failure, legal responsibility for oneself, and affiliation with a chain. Unstable health conditions were significant only in the multilevel model.

CONCLUSIONS

When correlation of resident outcomes within nursing home facilities was not considered, statistically significant associations were likely due to residual correlation effects. To control the probability of type I error, epidemiologists evaluating public health data on nested populations should use methods that account for correlation among observations.

Nursing home resident and facility characteristics associated with pneumococcal vaccination: national nursing home survey, 1995-1999

OBJECTIVES

To assess Advisory Committee for Immunization Practices recommendations for the pneumococcal vaccine in nursing home residents using national surveys to examine factors associated with vaccination.

DESIGN

Cross-sectional national sample surveys of nursing homes and nursing home residents with a two-stage probability design, stratified on size and Medicare and Medicaid certification status.

SETTING

U.S. nursing homes during 1995, 1997, and 1999.

PARTICIPANTS

Six current residents were randomly selected from each facility (n=approximately 8,000 each year).

MEASUREMENTS

Residents' pneumococcal vaccination status was obtained by asking the facility respondent for each resident: "Has [the resident] EVER had a pneumococcal vaccine, that is a pneumonia vaccination?" Vaccination status was coded as yes, no, and unknown.

RESULTS

The proportion of residents aged 65 and older that received pneumococcal vaccination increased significantly, from 23.6% in 1995 to 28.2% in 1997 to 37.4% in 1999 (P<.001). The proportion of residents in homes with pneumococcal immunization programs increased significantly, from 65.2% in 1995 to 88.9% in 1999.

CONCLUSION

The proportion of nursing home residents aged 65 and older receiving the pneumococcal vaccine increased significantly from 1995 to 1999. Residents living in nursing homes with programs for pneumococcal immunizations were significantly more likely to be vaccinated.