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Summary: Objective: The purpose of the present study is to validate a French version of Exercise Processes of Change Questionnaire (PCQ) and to examine its psychometric properties and its relation with the other components of Transtheoritical Model (TTM). Methods: Two hundred ninety-three subjects (198 women), 16–65years old, answered the PCQ and other questionnaires concerning the other components of TTM and concerning exercise intrinsic motivation. Results: Firstly, a confirmatory factor analysis reports good indexes of fit for models distinguishing the 10 processes postulated by the MTT. A significant correlation between both second-order latent variables, distinguishing experiential and behavioural processes (r =0.879) suggests that the split of ten processes of change into two higher-order classes does not improve the model. Secondly, exercise processes of change were significantly associated with the other components of TTM and four dimensions of exercise intrinsic motivation. [Copyright &y& Elsevier]

Summary: Objective: Self-reported questionnaires are often utilized for measuring physical activity level. However, there are few questionnaires written in French. The purpose of the present study is to present and discuss the psychometric data of a physical activity questionnaire developed for people age 60 years or over, the Questionnaire d’Activité Physique pour les Personnes Âgées (QAPPA). Methods: Fifty-six subjects (13 men), age 56-87 years-old, answered the QAPPA, some questions about their general health and functional limitations, and the International Physical Activity Questionnaire (IPAQ). QAPPA was administered once more, one week apart. Results: QAPPA had acceptable test-retest reliability (r =0.58, P <0.001) and good reproducibility (k=0.714). Concurrent validity with IPAQ was r =0.31 (p <0.05). Age was an important aspect in determining the level of physical activity (construct validity; P <0.05). Moreover, the QAPPA was able to lower the overestimation of the self-reported volume of moderate physical activity found in the IPAQ (Z=−3.211, P =0.001). Conclusions: Psychometric data support the validity of the QAPPA. However, a criterion validity study is needed to compare the QAPPA with objective measures of physical activity. [Copyright &y& Elsevier]