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Nutritional Epidemiology

Dietary Patterns of Hispanic Elders Are Associated with Acculturation and Obesity¹

Jean Mayer U.S. Department of Agriculture Human Nutrition Research Center on Aging, Tufts University, Boston, MA 02111

²To whom correspondence should be addressed. E-mail: katherine.tucker{at}tufts.edu.

The association of dietary patterns and obesity, particularly in Hispanics, is relatively poorly understood. This large U.S. population subgroup has a high prevalence of obesity and associated chronic conditions, and Hispanics are changing their dietary practices as they acculturate. Our objectives were 1) to identify dietary patterns among elderly Hispanics in Massachusetts, compared with those of non-Hispanic whites; 2) to associate dietary patterns with acculturation; and 3) to associate dietary patterns with total and central obesity. We used a representative sample of 449 Puerto Rican and 133 Dominican elders and a neighborhood-based sample of 243 non-Hispanic white elders, aged 60 to 92 y, from the cross-sectional Massachusetts Hispanic Elders Study. Obesity and central obesity were assessed with BMI (kg/m²) and waist circumference measurement, respectively. Acculturation was assessed by evaluating language use. Usual diet was assessed with a food frequency questionnaire specifically designed for use with this population. Dietary patterns were defined by cluster analysis of food group variables. We identified five clusters of individuals by dietary pattern, with proportionately greater energy intake from 1) fruit and breakfast cereal, 2) starchy vegetables, 3) rice, 4) whole milk and 5) sweets, respectively. Hispanics were less likely to follow the fruit and cereal or sweets patterns, and more likely to follow the starchy vegetables or milk patterns, than were non-Hispanic whites. Only Hispanics followed the rice pattern. Among Hispanics, acculturation was positively associated with the fruit and cereal pattern, and negatively with the rice pattern. Total and central obesity were positively associated with the rice pattern. Longitudinal studies are needed to clarify the causal nature of these associations.

KEY WORDS: • Dietary patterns • cluster analysis • elderly • Hispanic • Puerto Rican

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