Using the right questionnaire is a crucial step in understanding the connections between physical activity and health.
Bernstein
Martine S
MS
D003327:Coronary Disease / Q000517:prevention & control*; D015444:Exercise; D006306:Health Surveys; D006801:Humans; D009369:Neoplasms / Q000517:prevention & control*; D009518:New York; D015203:Reproducibility of Results; D012307:Risk Factors; D011795:Surveys and Questionnaires / Q000592:standards*