| Titre : | Development and validation of a questionnaire for the assessment of physical activity in epidemiological studies in Sub-Saharan Africa. Commentary. (2001) |
| Auteurs : | Eugène SOBNGWI ; Kgmm ALBERTI ; Terrence-J ASPRAY ; Jean-Claude-n MBANYA ; Nigel-C UNWIN ; Nicholas-J WAREHAM ; Cameroon Essential Non-communicable Disease Health Intervention Project. Endocrine and Diabetes Unit. Faculty of Medicine and Biomedical Sciences. University of Yaoundé. Yaoundé. CMR ; Department of Diabetes. School of Clinical Medical Sciences. University of Newcastle. Newcastle upon Tyne. GBR |
| Type de document : | Article |
| Dans : | International journal of epidemiology (vol. 30, n° 6, 2001) |
| Pagination : | 1361-1370 |
| Langues: | Anglais |
| Mots-clés : | Activité physique ; Questionnaire ; Evaluation ; Epidémiologie ; Méthodologie ; Homme ; Cameroun ; Afrique |
| Résumé : | [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<0.001). The inter-interview difference did not differ significantly from 0, with a repeatability coefficient of 0.46-1.46 hours. Total energy expenditure from the questionnaire was significantly correlated to heart rate monitoring (p=0.41-0.63 ; P<0.05) and accelerometer measures (p=0.60-0.74 ; P<0.01). Subject's self ranking of their activity did not match the questionnaire's quartiles of activity. Conclusions The present study presents the design and confirms the reliability and validity of SSAAQ in a rural and urban population of Cameroon and shows that subject's self ranking of activity might not accurately serve epidemiological purpose. |
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