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Personne :
Hudon, Anne-Marie

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Hudon

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Anne-Marie

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Institut sur la Nutrition et les Aliments Fonctionnels (INAF), Université Laval

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ncf11603019

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  • PublicationAccès libre
    Études des différences sexuelles dans les changements de concentrations de la globuline de liaison des hormones sexuelles en réponse à l'alimentation méditerranéenne
    (2012) Hudon, Anne-Marie; Lemieux, Simone
    L'alimentation méditerranéenne est un mode alimentaire recommandé pour la prévention des maladies cardiovasculaires (MCV). Le développement des MCV et, possiblement, la réponse à l'alimentation présentent des différences entre les hommes et les femmes. Les hormones sexuelles et leur transporteur, la globuline de liaison des hormones sexuelles (sex hormone-binding globulin, SHBG), semblent être associées à ces différences entre les hommes et les femmes. Ce mémoire présente les résultats d'une étude dont les objectifs étaient de déterminer l'impact de l'alimentation méditerranéenne sur les concentrations de SHBG et de vérifier si les changements des concentrations de SHBG sont associés aux changements des variables métaboliques chez des hommes et des femmes à risque de MCV. Les résultats suggèrent que la consommation de l'alimentation méditerranéenne, à court terme, est associée à une diminution des concentrations de SHBG et que le modèle des associations testées semble présenter des différences sexuelles. Étant donné que le profil métabolique des hommes et des femmes a été amélioré par l'intervention, les changements de concentrations de SHBG ne seraient pas un bon indicateur de la qualité des effets des changements alimentaires chez des hommes et des femmes à risque de MCV.
  • PublicationAccès libre
    Gender differences in the long-term effects of a nutritional intervention program promoting the Mediterranean diet : changes in dietary intakes, eating behaviors, anthropometric and metabolic variables
    (BioMed Central, 2014-11-22) Hudon, Anne-Marie; Leblanc, Vicky; Corneau, Louise; Lemieux, Simone; Royer, Marie-Michelle; Dodin-Dewailly, Sylvie; Bégin, Catherine
    Long-term adherence to principles of the Mediterranean diet (MedDiet) following a nutritional intervention promoting the Mediterranean food pattern in Canadian men and women is not known. Moreover, gender differences in dietary and metabolic profile in such an intervention context has never been addressed. Objective was to determine gender differences in long-term effects of a 12-week nutritional intervention program promoting the adoption of the MedDiet and based on the Self-Determination Theory (SDT) on dietary intakes, eating behaviors, anthropometric and metabolic variables, in men and women presenting cardiovascular risk factors. Methods Sixty-four men and 59 premenopausal women were recruited. The 12-week nutritional program used a motivational interviewing approach and included individual and group sessions. A food frequency questionnaire was administered to evaluate dietary intakes from which a Mediterranean score (Medscore) was derived and the Three-Factor Eating Questionnaire allowed assessment of eating behaviors. Measurements were performed at baseline and after the 12-week nutritional intervention, and then at 3 and 6-month post intervention. Results No gender difference was observed in changes in the Medscore during the nutritional intervention and follow-up. However, the Medscore returned towards baseline values during follow-up in men and women (P <0.0001). Men reported larger decreases in red and processed meat and larger increases in whole fruit intakes than women (P = 0.03 and P = 0.04, respectively). Men showed a greater decrease in habitual susceptibility to disinhibition than women (P = 0.03). A gender by time interaction was found for waist circumference, i.e. men had lower waist circumference at the end of the intervention as well as at follow-up than at baseline while women’s waist circumference decreased in response to the intervention only (P = 0.05). As for metabolic variables, changes observed in total-cholesterol (C) to HDL-C ratio, triglyceride levels and triglycerides to HDL-C ratio were more pronounced in men than in women after the intervention as well as at follow-up (P =0.03). Conclusions Our results indicate that the 12-week nutritional intervention based on the SDT leads to more pronounced beneficial changes in long-term dietary intakes in men than in women and to greater improvements in metabolic profile in men.
  • PublicationAccès libre
    Differences between men and women in dietary intakes and metabolic profile in response to a 12-week nutritional intervention promoting the Mediterranean diet
    (Cambridge University Press, 2015-04-13) Hudon, Anne-Marie; Leblanc, Vicky; Corneau, Louise; Lemieux, Simone; Royer, Marie-Michelle; Dodin-Dewailly, Sylvie; Bégin, Catherine
    Few studies have compared men and women in response to nutritional interventions but none has assessed differences between men and women in the response to a nutritional intervention programme based on the self-determination theory (SDT) and using the Mediterranean diet (MedDiet) as a model of healthy eating, in a context of CVD prevention and within a non-Mediterranean population. The present study aimed to document differences between men and women in changes in dietary, nthropometric and metabolic variables, in response to a nutritional intervention programme promoting the adoption of the MedDiet and based on the SDT. A total of sixty-four men and fifty-nine premenopausal women presenting risk factors for CVD were recruited through different media advertisements in the Québec City Metropolitan area (Canada). The 12-week nutritional programme used a motivational interviewing approach and included individual and group sessions. A validated FFQ was dministered to evaluate dietary intakes from which a Mediterranean score (Medscore) was derived. Both men and women significantly increased their Medscore in response to the intervention (P <0·0001). Men showed a significantly greater decrease in red and processed meat (-0·4 (95 % CI -0·7, -0·1) portions per d) and a greater increase in fruit (0·9 (95 % CI 0·2, 1·6) portions per d) intakes than women. Significant decreases were observed for BMI and waist circumference in both men and women (P = 0·04). Significant greater decreases were found for total cholesterol (total-C):HDL-cholesterol (HDL-C) (-0·2; 95 % CI -0·4, -0·03) and TAG:HDL-C (-0·2; 95 % CI -0·4, -0·04) ratios in men than in women. When adjusting for the baseline value of the response variable, differences between men and women became non-significant for red and processed meat and fruit intakes whereas significant differences between men and women (i.e. larger increases in men than women) were observed for legumes, nuts and seeds (0·6 (95 % CI 0·2, 1·0) portions per d) and whole-grain products (0·5 (95 % CI 0·01, 1·0) portions per d) intakes. For metabolic variables, differences between men and women became non-significant for total-C:HDL-C and TAG:HDL-C ratios when adjusted for the baseline value of the response variable. The present results suggest that the nutritional intervention promoting the adoption of the Mediterranean diet and based on the SDT led to greater improvements in dietary intakes in men than in women, which appear to have contributed to beneficial anthropometric and metabolic changes, more particularly in men. However, the more deteriorated metabolic profile found in men at baseline seems to contribute to a large extent to the more beneficial changes in CVD risk factors observed in men as compared with women
  • PublicationAccès libre
    Effects of a nutritional intervention program based on the self-determination theory and promoting the Mediterranean diet
    (SAGE, 2015-12-31) Hudon, Anne-Marie; Leblanc, Vicky; Corneau, Louise; Lemieux, Simone; Royer, Marie-Michelle; Dodin-Dewailly, Sylvie; Bégin, Catherine
    Our objective was to determine gender differences in the impact of a nutritional intervention based on the self-determination theory and promoting the Mediterranean diet on changes in eating-related self-determined motivation and adherence to the Mediterranean diet. Changes in eating-related self-determined motivation were larger in men than in women in response to the intervention and at follow-up, but the magnitude of change decreased with time in both genders. Changes in eating-related self-determined motivation were positively associated with changes in the Mediterranean diet adherence in response to the intervention and at follow-up in men only, suggesting that the nutritional program seems to fit better men than women.
  • PublicationAccès libre
    Gender differences in the appetite response to a satiating diet
    (Hindawi Publishing Corporation, 2015-09-09) Drapeau, Vicky; Hudon, Anne-Marie; Bédard, Alexandra; Corneau, Louise; Lemieux, Simone; Dodin-Dewailly, Sylvie
    We examined gender differences in appetite sensations when exposed to Mediterranean diet (MedDiet) meals and determined whether there are gender differences in the change in the satiating properties of the MedDiet over time. Thirty-eight men and 32 premenopausal women consumed a 4-week isoenergetic MedDiet under controlled conditions. Visual analogue scales were used to measure perceived appetite sensations before and immediately after each meal consumed over the course of one day (Wednesday) of the first and the fourth week of intervention. Women reported greater decreases for desire to eat, hunger, and appetite score than men in response to the consumption of the MedDiet meals (gender-by-meal interactions, resp., P = 0.04, P = 0.048, and P = 0.03). Fullness and prospective food consumption responses did not significantly differ between men and women. Between the first and the fourth week of intervention, premeal prospective food consumption increased with time in men (P = 0.0007) but not in women (P = 0.84; P for gender-by-time interaction = 0.04). These results indicate gender differences in appetite sensations when exposed to the MedDiet. These results may be useful in order to have a better understanding of gender issues for body weight management.