1998
A prospective study of physical activity and prostate cancer in male health professionals.
Giovannucci E, Leitzmann M, Spiegelman D, Rimm EB, Colditz GA, Stampfer MJ, Willett WC. A prospective study of physical activity and prostate cancer in male health professionals. Cancer Research 1998, 58: 5117-22. PMID: 9823321.Peer-Reviewed Original ResearchConceptsMale health professionalsTotal prostate cancerMetastatic prostate cancerProstate cancerPhysical activityMetabolic equivalentsVigorous activityLower riskHealth professionalsLeisure-time physical activityMore metabolic equivalentsNonvigorous physical activityReported average timeHealth Professionals FollowHistory of diabetesProspective cohort studyAdvanced prostate cancerRole of exerciseTime physical activityYears of ageWarrants further studyNonvigorous activitiesMen 40Professionals FollowCohort study
1996
Reproducibility and Validity of a Self-Administered Physical Activity Questionnaire for Male Health Professionals
Chasan-Taber S, Rimm E, Stampfer M, Spiegelman D, Colditz G, Giovannucci E, Ascherio A, Willett W. Reproducibility and Validity of a Self-Administered Physical Activity Questionnaire for Male Health Professionals. Epidemiology 1996, 7: 81-86. PMID: 8664406, DOI: 10.1097/00001648-199601000-00014.Peer-Reviewed Original ResearchConceptsPhysical Activity QuestionnaireActivity QuestionnaireVigorous activityNonvigorous activitiesActivity scoreSelf-administered physical activity questionnaireMale health professionalsParticipants 2 yearsIntraclass correlation coefficientProspective studyHealth professionalsStudy participantsPulse rateActivity diaryStep testWeekly activitiesQuestionnaireDiary measurementsInactivityScoresParticipantsUseful measureActivityParticipants' abilityYears