title: Validity of the physical activity interview and Caltrac with preadolescent children.
authors.affiliation: National Institutes of Health, Bethesda, MD.
authors.forename: B G
authors.initials: BG
authors.lastname: Simons-Morton
authors.forename: W C
authors.initials: WC
authors.lastname: Taylor
authors.forename: I W
authors.initials: IW
authors.lastname: Huang
mesh_terms: D002648:Child; D015444:Exercise / Q000502:physiology*; D005260:Female; D006339:Heart Rate; D006801:Humans; D007407:Interviews as Topic; D008297:Male; D008991:Monitoring, Physiologic; D015203:Reproducibility of Results