Nativity and Cardiovascular Dysregulation: Evidence from the 2001-2016 National Health and Nutrition Examination Survey

Exploring the dietary practices and perceptions of African immigrants in Illinois- a qualitative study of immigrants from Nigeria and Congo

OBJECTIVE

Previous studies suggest an increased prevalence of diet-related chronic diseases among African immigrants with increased length of stay in the U.S. The objective of the current study is to understand the dietary practices and perceptions of recent African immigrant families.

DESIGN

Focus group sessions were conducted with Nigerian and Congolese immigrant parents residing in Illinois. Participants were recruited using convenience sampling methods and focus group sessions were conducted via videoconference. Participants discussed dietary practices, meal preparation, and family mealtimes for their families. They also discussed experiences with eating different kinds of foods since arrival in the U.S. Verbatim transcription of focus group sessions were completed and deductive thematic analysis of transcribed data was conducted using NVivo (QSR International Pty Ltd. [2020] NVivo [version 12]).

RESULTS

Twenty African immigrant parents (Mean age: 42 years, Female: 95%) residing in Northern and Central Illinois participated in a total of five focus group sessions. Seven themes were derived from the analysis. Participants had a positive attitude toward healthy diet and had a high level of interest in receiving educational resources to make healthier food choices. Participants preferred and mostly consumed foods they were familiar with before migration. A majority of the participants perceived 'American foods' as unhealthy, characterizing them as containing a high amount of sugar and salt. Parents reported that their school-aged children often preferred a western diet over traditional African meals.

CONCLUSION

This study helps to understand unique diet-related practices and perceptions of recent Nigerian and Congolese African immigrants in Illinois. Findings could help to inform cultural adaptation of evidence-based nutrition education programs for these groups of African immigrants.

Length of Time in the United States and Cardiometabolic Outcomes Among Foreign and US-Born Black Adults

INTRODUCTION

Among certain immigrant groups, length of time spent living in the United States (LOT) is associated with poor cardiometabolic health. We aimed to evaluate the association between LOT and cardiometabolic outcomes among US Black adults.

METHODS

The National Health Interview Survey is an annual representative survey of non-institutionalized US civilians. We combined 2016-2018 data and included all Black adults (N = 10,034). LOT was defined as the number of years lived in the US, if foreign-born. Obesity, hypertension, diabetes, and high cholesterol were each self-reported. We used logistic regression models to determine whether LOT was associated with cardiometabolic health factors overall and by origin subgroups-US-born non-Hispanic, Hispanic, African-born, and Caribbean/Central American (CA)-born groups.

RESULTS

Our study population was 81% US-born non-Hispanic, 5% Hispanic (both foreign- and US-born), 6% African-born, and 6% Caribbean/CA-born groups. Among Black adults, compared with the US-born, being foreign-born with < 15 years in the US was associated with lower odds of obesity (OR: 0.31, 95%CI: 0.23-0.42) and hypertension (OR: 0.35, 95%CI: 0.24-0.49). In subgroup analyses, Caribbean/CA-born individuals with < 15 years in the US had 64% lower odds of obesity (OR: 0.36, 95%CI 0.15-0.84) and 63% lower odds of hypertension (OR: 0.37, 95%CI 0.15-0.88) compared with those with ≥ 15 years.

CONCLUSION

Shorter LOT was associated with more favorable cardiometabolic health, with differential associations among foreign-born Black adults based on origin. This heterogeneity suggests a need to examine the implications of acculturation in the context of the specific population of interest.

Black Nativity and Health Disparities: A Research Paradigm for Understanding the Social Determinants of Health

After more than a century of research and debate, the scientific community has yet to reach agreement on the principal causes of racialized disparities in population health. This debate currently centers on the degree to which "race residuals" are a result of unobserved differences in the social context or unobserved differences in population characteristics. The comparative study of native and foreign-born Black populations represents a quasi-experimental design where race is "held constant". Such studies present a unique opportunity to improve our understanding of the social determinants of population health disparities. Since native and foreign-born Black populations occupy different sociocultural locations, and since populations with greater African ancestry have greater genetic diversity, comparative studies of these populations will advance our understanding of the complex relationship between sociocultural context, population characteristics and health outcomes. Therefore, we offer a conceptual framing for the comparative study of native and foreign-born Blacks along with a review of 208 studies that compare the mental and physical health of these populations. Although there is some complexity, especially with respect to mental health, the overall pattern is that foreign-born Blacks have better health outcomes than native-born Blacks. After reviewing these studies, we conclude with suggestions for future studies in this promising area of social and medical research.