| http://www.w3.org/ns/prov#value | - The CMH questionnaire, which is a four-page scannable form consisting of 22 items that takes less than 10 min to complete, assesses mostly sports and exercise over the past 3 months with questions adapted from the CARDIA Physical Activity History, an instrument that has reasonable indirect validity by showing the expected relationships with aerobic capacity and percent body fat (13,14) and strong
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