Stressful life events are associated with insulin resistance among Chinese immigrant women in the United States

Increases in Psychological Stress Are Associated With Higher Fasting Glucose in US Chinese Immigrants

BACKGROUND

The majority of Chinese Americans is foreign-born, and it is well-documented that immigration to the United States (US) leads to increased risk for chronic diseases including type 2 diabetes. Increased disease risk has been attributed to changes in lifestyle behaviors following immigration, but few studies have considered the psychosocial impact of immigration upon biomarkers of disease risk.

PURPOSE

To examine associations of psychological stress and social isolation with markers of type 2 diabetes risk over time among US Chinese immigrants.

METHODS

In this longitudinal study of 614 Chinese immigrants, participants completed assessments of perceived stress, acculturative stress, negative life events, and social isolation annually at three time points. Fasting blood samples were obtained at each time point to measure blood glucose, glycated hemoglobin, and insulin resistance. Mean duration between baseline and follow-up assessments was approximately 2 years.

RESULTS

Increases in migration-related stress, perceived stress and social isolation were associated with significant increases in fasting glucose at follow-up independent of age, body mass index, length of US residence, and other potential covariates. Moreover, increases in glucose varied depending on perceived stress levels at baseline, such that those with higher baseline stress had a steeper increase in glucose over time.

CONCLUSIONS

Psychological stress and social isolation are associated with increases in fasting glucose in a sample of US Chinese immigrants. Findings suggest that the unique experiences of immigration may be involved in the risk of developing type 2 diabetes, a condition that is prevalent among US Chinese despite relatively low rates of obesity.

Experiences of victimization before resettlement and chronic disease among foreign-born people in the United States

Stressful experiences are common among migrants and may have health implications. With the only US nationally representative data set on migration, the New Immigrant Survey, we used survey-adjusted descriptive and multivariate regression methods to examine whether victimization prior to resettlement was associated with obesity, cardiovascular disease, diabetes, arthritis, cancer, and chronic lung disease. Among foreign-born people who obtained lawful permanent residence in the US in 2003-04, 6.7 per cent reported victimization before arriving in the US. Those who had experienced victimization more often suffered from chronic conditions than people without such experiences: they were 32 per cent more likely to suffer from at least one chronic condition (p < 0.05), especially cancer (4.36, p < 0.05), arthritis (1.77, p < 0.01), and cardiovascular disease (odds ratio 1.32, p < 0.05). These relationships were in part mediated by differences in healthcare access after arriving in the US between those who had experienced victimization and those who had not. Victimization may have consequences for integration and later-life chronic disease.

Self-Management and Glycemic Targets in Adult Haitian Immigrants With Type 2 Diabetes: Research Protocol

BACKGROUND

Type 2 diabetes (T2D) is a chronic condition affecting more than 34.2 million U.S. adults, and people of African descent have a disproportionate burden. Haitian immigrants' unique cultural and biological factors put them at elevated risk for T2D-related complications. Despite prior research highlighting the success of multimethod approaches to T2D self-management behaviors on glycemic targets, a dearth of studies have used these methods to improve diabetes self-management in this marginalized population.

OBJECTIVES

This article describes a repeated-measures design protocol of a going study about self-management behaviors among adult Haitian immigrants with T2D and characterizing their barriers to T2D self-management.

METHODS

We will enroll 100 Haitian immigrants aged 18-64 years who have lived with T2D for at least 1 year. Using multiple recruitment methods and Research Electronic Data Capture, subjective and objective data on T2D self-management practices, glucose variability via continuous glucose monitor, and a comprehensive view of physical activity via actigraphy are collected.

RESULTS

Data analysis will follow a two-part approach mirroring the two primary study objectives.

DISCUSSION

Findings from the study will guide the development and testing of a culturally tailored diabetes self-management education program that will contribute essential information about best practices for this population and break barriers that may impede research on unique individuals and subsequent effective self-management.

The Incidence and Determinants of Metabolic Syndrome Amongst a Group of Migrants to Qatar: A Prospective Longitudinal Observational Cohort Study 24-Months Post-Migration

While there is some evidence that migration to Western countries increases metabolic syndrome (MetS) risk, there is a lack of data pertaining to migration to the Middle East. This study aimed to investigate the relationship between migration and MetS incidence following 24-months of residency in Qatar and identify possible MetS determinants. Migrants to Qatar employed at Hamad Medical Corporation (the national health service) aged 18-65 years were invited to participate. Baseline and follow-up screening for MetS included HbA1c, triglycerides, HDL-cholesterol, blood pressure, and waist circumference. MetS-free migrants were rescreened 24-months post-migration, and the World Health Organization STEPwise questionnaire was administered, assessing changes in lifestyle from baseline. Of 1095 migrants contacted, 472 consented to participate, 205 of whom had normal metabolic parameters at baseline; 160 completed follow-up screening. Most participants were males (74.6%, n = 153) and Asian (81.0%, n = 166/205), and two thirds (66.3%, n = 136/205) were nurses. The incidence of new-onset MetS was 17.0% (n = 27/160, 95%CI; 11.0-23.0%), with 81.0% (n = 129/160, 95%CI; 73.8-86.0%) having at least one MetS element 24-months post-residency in Qatar. Male gender was a risk factor for MetS (adjusted odds ratio (AOR) = 3, p = 0.116), as was consuming medication that could induce MetS (AOR = 6.3, p < 0.001). There is merit in further research targeting these groups.

Food insecurity, childhood hunger and caregiver life experiences among households with children in South Carolina, USA

OBJECTIVE

We explored how positive and negative life experiences of caregivers are associated with household food insecurity.

DESIGN

The Midlands Family Study (MFS) was a cross-sectional study with three levels of household food security: food secure, food insecure without child hunger and food insecure with child hunger. Ordinal logistic regression analysis was used for analyses of negative and positive life experiences (number, impact, type) associated with food insecurity.

SETTING

An eight-county region in South Carolina, USA, in 2012-2013.

PARTICIPANTS

Caregivers (n 511) in households with children.

RESULTS

Caregivers who reported greater numbers of negative life experiences and greater perceived impact had increased odds of household food insecurity and reporting their children experienced hunger. Each additional negative life experience count of the caregiver was associated with a 16 % greater odds of food insecurity without child hunger and a 28 % greater odds of child hunger. Each one-unit increase in the negative impact score (e.g. a worsening) was associated with 8 % higher odds of food insecurity without child hunger and 12 % higher odds of child hunger. Negative work experiences or financial instability had the strongest association (OR = 1·8; 95 % CI 1·5, 2·2) with child hunger. Positive life experiences were generally not associated with food security status, with one exception: for each unit increase in the number of positive experiences involving family and other relationships, the odds of child hunger decreased by 22 %.

CONCLUSIONS

More research is needed to understand approaches to build resilience against negative life experiences and strengthen positive familial, community and social relationships.