國人的運動行為則不受性別的影響，男性及女性不運動比例約有46%。此外影響國人運動行為的因子尚有職業、婚姻狀況、慢性病的罹患率、身體疼痛與自評健康情況、身體質量指數(BMI)及體重控制行為。在體重控制行為方面，有60%以上民眾沒有體重控制行為，但女性、教育程度大專以上及BMI指數大於24.0較重視體重控制行為。 Objectives: This study is aimed to find the relationships of demographic characteristics, health status, and health behaviors of people aged 12 and above in Taiwan. Methods: The data from “aged 12 and above personal questionnaires” which was collected by face-to-face questionnaires in the 2001 National Health Interview Survey (NHIS) in Taiwan was used in this study. A total of 18131 subjects were recruited to analyze the prevalence of chronic diseases, body pains, self-perceived health status, exercise and body weight control. The relationships of demographic characteristics, health status, and health behaviors were examined by frequency and X2 test using SAS 8.2 statistical software. Results: Age, gender, education, marital status and occupations were relative to chronic diseases and body pains and self-perceived health status. All demographic characteristics were correlated with exercise, except gender. The rate of no exercise of male and female was about 46%. Above 60% people didn’t control their weights. People who are female, graduated from college and have BMI more than 24.0 would pay attention to control their weights.