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Amireault, Steve

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Amireault

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Steve

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Université Laval. Département de kinésiologie

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ncf10786670

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  • PublicationAccès libre
    Moderators of the intention-behaviour and perceived behavioural control-behaviour relationships for leisure-time physical activity
    (BioMed Central, 2008-02-01) Pérusse, Louis; Godin, Gaston; Amireault, Steve; Vohl, Marie-Claude
    Background Intention is a key determinant of action. However, there is a gap between intention and behavioural performance that remains to be explained. Therefore, the aim of this study was to identify moderators of the intention-behaviour and perceived behavioural control (PBC)- behaviour relationships for leisure-time physical activity. Method This was tested in reference to Ajzen's Theory of Planned Behaviour. A sample of 300 volunteers, 192 women and 108 men, aged 18 to 55, participated in the study. At baseline, the participants completed a self-administrated psychosocial questionnaire assessing Ajzen's theory variables (i.e., intention and perceived behavioural control). The behavioural measure was obtained by mail three months later. Results Multiple hierarchical regression analyses indicated that age and annual income moderated the intention-behaviour and PBC-behaviour relationships. However, in the final model predicting behaviour (R2 = .46), only the interaction term of PBC by annual income (β = .24, p = 0.0003) significantly contributed to the prediction of behaviour along with intention (β = .49, p = 0.0009) and past behaviour (β = .44, p < 0.0001). Conclusion Physical activity promotion programs would benefit not only from focusing on increasing the intention of low intenders, but also from targeting factors that moderate the perceived behavioural control-behaviour relationships.
  • PublicationAccès libre
    The effect of mere-measurement of cognitions on physical activity behavior : a randomized controlled trial among overweight and obese individuals
    (BioMed Central, 2011-01-11) Bélanger-Gravel, Ariane; Pérusse, Louis; Godin, Gaston; Amireault, Steve; Vohl, Marie-Claude
    Background The promotion of physical activity among an overweight/obese population is an important challenge for clinical practitioners and researchers. In this regard, completing a questionnaire on cognitions could be a simple and easy strategy to increase levels of physical activity. Thus, the aim of the present study was to test the effect of completing a questionnaire based on the Theory of Planned Behavior (TPB) on the level of physical activity. Methods Overall, 452 overweight/obese adults were recruited and randomized to the experimental or control group. At baseline, participants completed a questionnaire on cognitions regarding their participation in leisure-time physical activity (experimental condition) versus a questionnaire on fruit and vegetable consumption (control condition). The questionnaires assessed the TPB variables that are beliefs, attitude, norm, perception of control, intention and a few additional variables from other theories. At three-month follow-up, leisure-time physical activity was self-reported by means of a short questionnaire. An analysis of covariance with baseline physical activity level as covariate was used to verify the effect of the intervention. Results At follow-up, 373 participants completed the leisure-time physical activity questionnaire. The statistical analysis showed that physical activity participation was greater among participants in the experimental condition than those in the control condition (F(1,370) = 6.85, p = .009, d = 0.20). Conclusions Findings indicate that completing a TPB questionnaire has a significant positive impact on subsequent participation in physical activity. Consequently, asking individuals to complete such a questionnaire is a simple, inexpensive and easy strategy to increase the level of physical activity among overweight/obese adults.
  • PublicationRestreint
    Prediction of daily fruit and vegetable consumption among overweight and obese individuals
    (ScienceDirect, 2010-02-06) Pérusse, Louis; Godin, Gaston; Bélanger-Gravel, Ariane; Amireault, Steve; Vohl, Marie-Claude; Guillaumie, Laurence
    The purpose of this study is twofold: to identify the determinants of daily fruit and vegetable (F&V) consumption and the moderators of the intention–behaviour relationship. A sample of 225 overweight or obese adults completed a TPB questionnaire. F&V behaviour was assessed at baseline and three months later. Statistical analyses revealed that past behaviour, perceived behavioural control (PBC) and age were significant predictors of daily F&V consumption. In addition, intention was found to interact with anticipated regret. Interventions should encourage the development of habit and PBC. However, the age and level of anticipated regret of the targeted population should be considered when designing interventions.
  • PublicationRestreint
    Effect of implementation intentions to change behaviour : moderation by intention stability
    (Sage Publications, Inc., 2010-02-01) Bélanger-Gravel, Ariane; Pérusse, Louis; Godin, Gaston; Amireault, Steve; Gallani, Maria Cecilia; Vohl, Marie-Claude
    The aim of this study was to assess the effects of implementation intentions on leisure-time physical activity, taking into account the stability of intention. At baseline (T0), 349 participants completed a psychosocial questionnaire and were randomly assigned to implementation intention or control condition. Three months after baseline assessment (T1), participants in the experimental group were asked to plan where, when, and how they would exercise. Leisure-time physical activity was assessed 3 mo. later (i.e., at 6-mo. follow-up; T2). The intervention had no significant effect on physical activity at 6-mo. follow-up. However, a significant interaction of group and intention stability was observed, with the effect of the intervention on behaviour statistically significant only among those with unstable intention. Intention stability thus moderated the effect of the intervention, i.e., the intervention was more successful among individuals who needed support to change (unstable intenders).