[Study on the reliability and validity of international physical activity questionnaire (Chinese Vision, IPAQ)].

Objective: To study the reliability and validity of Chinese version of International Physical Activity Questionnaire (IPAQ) and to provide an instrument for physical activity measurement in Chinese-spoken population.

Methods: Test-retest reliability was systemically assessed in 94 participants sampled from college students. Questionnaires were completed twice with a three-day interval.