Physical activity and sedentary leisure time and their associations with BMI, waist circumference, and percentage body fat in 0.5 million adults: the China Kadoorie Biobank study.

ABSTRACT:

Background

Few large studies in China have investigated total physical activity and sedentary leisure time and their associations with adiposity.

Objective

We investigated determinants of physical activity and sedentary leisure time and their associations with adiposity in China.

Design

A total of 466,605 generally healthy participants (age: 30-79 y, 60% female) in the China Kadoorie Biobank were included in this cross-sectional analysis. Self-reported information on a range of activities was collected by interviewer-administered questionnaire. Physical activity was calculated as metabolic equivalent task hours per day (MET-h/d) spent on work, transportation, housework, and nonsedentary recreation. Sedentary leisure time was quantified as hours per day. Adiposity meas

SUBMITTER: Du H 

PROVIDER: S-EPMC4345799 | biostudies-literature | 2013 Mar

REPOSITORIES: biostudies-literature