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Desroches, Sophie

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Desroches

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Sophie

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Université Laval. École de nutrition

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ncf11850680

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  • PublicationAccès libre
    Social support for healthy eating : development and validation of a questionnaire for the French-Canadian population
    (CAB International, 2018-05-28) Carbonneau, Élise; Corneau, Louise; Bradette-Laplante, Maude; Lamarche, Benoît; Lemieux, Simone; Vohl, Marie-Claude; Robitaille, Julie; Desroches, Sophie; Bégin, Catherine; Provencher, Véronique
    Objective: The present study aimed to develop and validate a questionnaire assessing social support for healthy eating in a French-Canadian population. Design: A twenty-one-item questionnaire was developed. For each item, participants were asked to rate the frequency, in the past month, with which the actions described had been done by family and friends in two different environments: (i) at home and (ii) outside of home. The content was evaluated by an expert panel. A validation study sample was recruited and completed the questionnaire twice. Exploratory factor analysis was performed on items to assess the number of subscales. Internal consistency reliability was assessed using Cronbach's ɑ. Test-retest reliability was evaluated with intraclass correlations between scores of the two completions. Setting: Online survey. Subjects: Men and women from the Québec City area (n 150). Results: The content validity assessment led to a few changes, resulting in a twenty-two-item questionnaire. Exploratory factor analysis revealed a two-factor structure for both environments, resulting in four subscales: supportive actions at home; non-supportive actions at home; supportive actions outside of home; and non-supportive actions outside of home. Two items were removed from the questionnaire due to low loadings. The four subscales were found to be reliable (Cronbach's ɑ=0·82-0·94; test-retest intraclass correlation=0·51-0·70). Conclusions: The Social Support for Healthy Eating Questionnaire was developed for a French-Canadian population and demonstrated good psychometric properties. This questionnaire will be useful to explore the role of social support and its interactions with other factors in predicting eating behaviours.
  • PublicationAccès libre
    Social support for healthy eating : development and validation of a questionnaire for the French-Canadian population
    (CAB International, 2018-05-28) Carbonneau, Élise; Corneau, Louise; Bradette-Laplante, Maude; Lamarche, Benoît; Lemieux, Simone; Vohl, Marie-Claude; Robitaille, Julie; Desroches, Sophie; Bégin, Catherine; Provencher, Véronique
    Objective: The present study aimed to develop and validate a questionnaire assessing social support for healthy eating in a French-Canadian population. Design: A twenty-one-item questionnaire was developed. For each item, participants were asked to rate the frequency, in the past month, with which the actions described had been done by family and friends in two different environments: (i) at home and (ii) outside of home. The content was evaluated by an expert panel. A validation study sample was recruited and completed the questionnaire twice. Exploratory factor analysis was performed on items to assess the number of subscales. Internal consistency reliability was assessed using Cronbach’s ɑ. Test–retest reliability was evaluated with intraclass correlations between scores of the two completions. Setting: Online survey. Subjects: Men and women from the Québec City area (n 150). Results: The content validity assessment led to a few changes, resulting in a twenty-two-item questionnaire. Exploratory factor analysis revealed a two-factor structure for both environments, resulting in four subscales: supportive actions at home; non-supportive actions at home; supportive actions outside of home; and non-supportive actions outside of home. Two items were removed from the questionnaire due to low loadings. The four subscales were found to be reliable (Cronbach’s ɑ=0·82–0·94; test–retest intraclass correlation=0·51–0·70). Conclusions: The Social Support for Healthy Eating Questionnaire was developed for a French-Canadian population and demonstrated good psychometric properties. This questionnaire will be useful to explore the role of social support and its interactions with other factors in predicting eating behaviours.
  • PublicationAccès libre
    Are French Canadians able to accurately self-rate the quality of their diet? Insights from the PREDISE study
    (National Research Council Canada, 2018-08-29) Carbonneau, Élise; Corneau, Louise; Lamarche, Benoît; Lafrenière, Jacynthe; Lemieux, Simone; Robitaille, Julie; Desroches, Sophie; Provencher, Véronique
    Cette étude se propose principalement de comparer l’autoévaluation de la qualité du régime alimentaire à un score de qualité nutritionnelle globale et à évaluer la prédictibilité de l’autoévaluation concernant l’adhésion aux recommandations de saine alimentation. Cette étude examine aussi la possible influence des caractéristiques individuelles sur l’association entre l’autoévaluation du régime alimentaire et le score de qualité nutritionnelle globale. Dans le cadre du projet PRédicteurs Individuels, Sociaux et Environnementaux (PREDISE), 1045 participants (51 % femmes) du Québec (Canada) ont autoévalué la qualité de leur régime alimentaire (« En général, diriez-vous que vos habitudes alimentaires sont : excellentes, très bonnes, bonnes, passables ou mauvaises? »). Les données de trois rappels alimentaires de 24 h via Internet ont permis le calcul du Healthy Eating Index (C-HEI), un indicateur de qualité nutritionnelle globale. Les participants percevaient leurs habitudes alimentaires comme étant excellentes (2,4 %), très bonnes (22,7 %), bonnes (49,5 %), passables (20,3 %) ou mauvaises (5,1 %). Le C-HEI variait significativement entre les catégories d’autoévaluation dans la direction attendue (p < 0,0001). L’autoévaluation a permis de prédire l’adhésion aux recommandations (C-HEI > 68) de saine alimentation en présentant une sensibilité de 44,5 % et une spécificité de 81,5 % (statistique C = 0,63). L’association entre l’autoévaluation et le C-HEI était modifiée significativement par le sexe (p interaction = 0,0131); les femmes avaient un C-HEI plus élevé que les hommes dans les catégories « bonnes » et « passables ». L’autoévaluation du régime alimentaire permet de donner un aperçu de la qualité du régime alimentaire d’une population. Cependant, les résultats de cette étude suggèrent d’utiliser ces données avec prudence compte tenu de leur faible prédictibilité concernant l’adhésion aux recommandations de saine alimentation. Des caractéristiques individuelles sont susceptibles d’influencer l’aptitude à autoévaluer adéquatement la qualité du régime alimentaire.