Previous studies have shown the negative consequences of acculturation on lifestyle factors, health status, and dietary intake of Hispanic immigrants in the United States. Despite prevalent type 2 diabetes and low socioeconomic status among Puerto Rican adults living on the US mainland, little is known about acculturation in this group.
We investigated associations among acculturation, lifestyle characteristics, health status, and carbohydrate nutrition in Puerto Rican adults. A secondary objective was to investigate possible confounding and/or effect modification on these associations by socioeconomic status.
Cross-sectional data from the Boston Puerto Rican Health Study, which included 1,219 Puerto Ricans in the Boston area, aged 45 to 75 years.
Characteristics were compared using analysis of covariance, linear trend, and Pearson's χ2 tests across quartiles of acculturation. Tests for interaction by poverty status were conducted. Proportional contributions of foods to intake of total carbohydrate and fiber were assessed using SAS RANK (version 9.1.3, 2002-2003, SAS Institute, Cary, NC).
Levels of acculturation were low, despite young age at first arrival to the US mainland (25.4±12.3 years) and long length of stay (34.2±12.2 years). Greater English language use was associated with higher socioeconomic status, alcohol consumption, physical activity, better perceived health, and less central obesity. Acculturation was associated with lower legume fiber and greater cereal fiber intake. Among those above the poverty threshold, acculturation was associated with lower dietary glycemic index and starch intake, and greater fruit and nonstarchy vegetable intake.
In contrast to studies with Mexican Americans, the association of acculturation with dietary quality in these Puerto Rican adults was mixed, but tended toward better carbohydrate quality. Dietary recommendations should include maintenance of traditional, healthful dietary practices, including consumption of legumes, but also reduction in refined grains, and greater inclusion of fruit, nonstarchy vegetables, and whole grains. Interventions to improve access to better quality carbohydrate sources are necessary for this group disproportionately affected by diabetes.
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M. I. Van Rompay is a postdoctoral associate, Nutrition and Genomics Laboratory, Jean Mayer USDA Human Nutrition Research Center on Aging, Tufts University, Boston, MA; at the time of the study, she was a doctoral student at the Gerald J. and Dorothy R. Friedman School of Nutrition Science and Policy, Jean Mayer USDA Human Nutrition Research Center on Aging, Tufts University, Boston, MA.
N. M. McKeown is a scientist, Jean Mayer USDA Human Nutrition Research Center on Aging, and director, Nutritional Epidemiology Program, Gerald J. and Dorothy R. Friedman School of Nutrition Science and Policy, Tufts University, Boston, MA.
C. Castaneda-Sceppa is an associate professor, Department of Health Sciences, Northeastern University, Boston, MA.
L. M. Falcón is a professor, Department of Sociology and Anthropology, Northeastern University, Boston, MA.
J. M. Ordovás is director, Nutrition and Genomics Laboratory, and professor of Nutrition and Genetics, Gerald J. and Dorothy R. Friedman School of Nutrition Science and Policy, Jean Mayer USDA Human Nutrition Research Center on Aging, Tufts University, Boston, MA.
K. L. Tucker is professor and chair, Department of Health Sciences, Northeastern University, Boston, MA; at the time of the study, she was a senior scientist and director, Dietary Assessment and Epidemiology Research Program, Gerald J. and Dorothy R. Friedman School of Nutrition Science and Policy, Jean Mayer USDA Human Nutrition Research Center on Aging, Tufts University, Boston, MA.
Published online: December 22, 2011
Accepted: August 26, 2011
© 2012 Academy of Nutrition and Dietetics. Published by Elsevier Inc. All rights reserved.