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Diet and Body Weight: A Population Study in China

Paeratakul, Sahasporn. (1998). Diet and Body Weight: A Population Study in China. Master's thesis / Doctoral dissertation, The University of North Carolina at Chapel Hill.

Paeratakul, Sahasporn. (1998). Diet and Body Weight: A Population Study in China. Master's thesis / Doctoral dissertation, The University of North Carolina at Chapel Hill.

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This dissertation consists of three parts: (1) An epidemiologic study of the relationship between diet, physical activity and body mass index (BMI); (2) A study of measurement error in dietary data and its effect on the diet-BMI association, with emphasis on the random within-person error and the statistical methods to adjust for this error; and (3) A review of sexual dimorphism in body fatness and body fat distribution, the significance of such dimorphism, and the possibility that diet may have a differential effect on body weight and body fatness in men and women. Data for analysis came from the first and second China Health and Nutrition Survey conducted in 1989 and 1991, respectively. Depending on the study criteria, the sample consisted of 3,135 to 3,484 adults aged 20-45 at baseline (1989) survey. Results showed that: (1) Diet, physical activity and socio-economic factors were important determinants of body weight in the study population; (2) Measurement error in dietary data significantly attenuated the diet-BMI association and the methods to adjust for the random within-person error produced consistent results; and (3) There were marked differences in the anthropometric measures of body fatness, particularly peripheral body fatness, between men and women in the study sample. The significance of these findings and their implications for the study of diet and body weight were discussed.




THES



Paeratakul, Sahasporn


Popkin, Barry M.

1998



9902501


120-120 p.




The University of North Carolina at Chapel Hill

Ann Arbor

9780591995824; 0591995824




1893