Résumé :
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[BDSP. Notice produite par INIST-CNRS 0R0xQ2G2. Diffusion soumise à autorisation]. Objective To develop and validate a questionnaire for measuring physical activity within Sub-Saharan Africa. Methods We designed the Sub-Saharan Africa Activity Questionnaire (SSAAQ), based upon existing questionnaires and an activity survey carried out in Cameroon. The questionnaire targeted past-year occupation, walking/cycling and leisure-time activities, and was administered by trained interviewers on two occasions, 10-15 days apart to 89 urban and rural consenting Cameroonians aged 19-68 years. Reliability was assessed by inter-interview comparison and repeatability coefficients (standard deviation of the test-retest difference). Validation was performed against a 24-hour heart rate monitoring and accelerometer recording. Results The questionnaire was highly reproducible (p=0.95 ; P
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