Lifestyles, demographics, dietary behavior, and obesity: a switching regression analysis.

ABSTRACT:

Unlabelled

OBJECTIVES; To investigate the effects of lifestyles, demographics, and dietary behavior on overweight and obesity.

Data source

Continuing Survey of Food Intakes by Individuals 1994-1996, U.S. Department of Agriculture.

Study design

We developed a three-regime switching regression model to examine the effects of lifestyle, dietary behavior, and sociodemographic factors on body mass index (BMI) by weight category and accommodating endogeneity of exercise and food intake to avoid simultaneous equation bias. Marginal effects are calculated to assess the impacts of explanatory variables on the probabilities of weight categories and BMI levels.

Principal findings

Weight categories and exercise are found to be endogenous. Lifestyle, dietary behavior, socia

SUBMITTER: Yen ST 

PROVIDER: S-EPMC2739032 | biostudies-literature | 2009 Aug

REPOSITORIES: biostudies-literature