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J Am Diet Assoc. 2007 Aug;107(8):1311-21.

Diet composition and risk of overweight and obesity in women living in the southwestern United States.

Author information

1
Division of Clinical Epidemiology, Department of Internal Medicine, University of Utah, Salt Lake City, Utah, USA. maureen.murtaugh@hsc.edu

Abstract

OBJECTIVE:

It is unknown whether dietary patterns or macronutrient composition contribute to the observed differences in rates of overweight and obesity among Hispanic and non-Hispanic white women in the United States. We assessed the association of dietary patterns and macronutrient composition with overweight and obesity in Hispanic and non-Hispanic white women.

DESIGN:

Cross-sectional analysis of dietary data from a case-control study of breast cancer.

PARTICIPANTS:

Population-based control participants (871 Hispanic and 1,599 non-Hispanic white women) from the southwestern United States who completed the diet and other components of the interview and whose anthropometric measurements were available.

MAIN OUTCOME MEASURES:

Body mass index (BMI; calculated as kg/m(2)), weight status (overweight, BMI 25 to 29.9; obese, BMI>30).

STATISTICAL ANALYSES PERFORMED:

Dietary patterns were defined using factor analysis. Associations of dietary patterns and macronutrient composition with overweight and obesity as compared with normal weight were assessed with logistic regression.

RESULTS:

Hispanic women reported consuming more energy, a greater proportion of energy from fat and vegetable protein, less alcohol, and less energy from animal protein compared with non-Hispanic white women. Western and dieter patterns were associated with higher prevalence of overweight and obesity; the Prudent dietary pattern was associated with a 29% lower prevalence of overweight and a halving of the prevalence of obesity similarly in Hispanic and non-Hispanic white women. Higher proportions of energy from protein (odds ratio [OR] 1.81, 95% confidence interval [CI] 1.28 to 2.56) and animal protein (OR 2.10 95% CI 1.47 to 2.98) were associated with a greater risk of overweight; greater proportions of energy from fat (OR 2.28, 95% CI 1.27 to 4.08), protein (3.55 95% CI 2.38 to 5.29), or animal protein (3.44 95% CI 2.31 to 5.14) were associated with higher risk of obesity among non-Hispanic white women only.

CONCLUSIONS:

A Western dietary pattern was associated with greater risk and a Prudent diet with reduced risk of overweight and obesity. To reduce risk of overweight and obesity, Hispanic women should maintain healthful aspects of a native Hispanic diet, and non-Hispanic white women should replace animal protein with vegetable protein.

PMID:
17659896
DOI:
10.1016/j.jada.2007.05.008
[Indexed for MEDLINE]

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