Personne : Painchaud Guérard, Geneviève
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Université Laval. École de nutrition
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Publication Accès libreSalient beliefs among Canadian adults regarding milk and cheese consumption : a qualitative study based on the theory of planned behaviour(BioMed Central, 2016-08-09) Painchaud Guérard, Geneviève; Turcotte, Mylène; Couture, François.; Desroches, Sophie; Paquin, Paul; Provencher, Véronique; Lacroix, Marie-JoséeBackground In spite of multiple efforts by public health authorities to promote consumption of milk and alternatives in the Canadian adult population, consumption of these healthy foods is still suboptimal. This study aimed to explore salient beliefs underlying the consumption of fluid milk and cheese among adults. Methods The qualitative descriptive research design was based on the Theory of Planned Behaviour framework, using 20 focus groups. A total of 161 men and women (19 to 50 years old) from Quebec City, Montreal and Toronto (Canada) were recruited to participate in focus groups. A hybrid approach (deductive and inductive) to qualitative methods of thematic analysis was used during coding of focus group transcripts to draw out participant’s salient beliefs regarding milk and cheese consumption. Results For both milk and cheese, most groups cited advantages or disadvantages with regards to health effects, nutritional value, taste, socio-affective aspects and practicality. Family and friends, health professionals and advisors, and communications domain (e.g. advertisements, TV programs, well-known personalities) were cited as major influences affecting consumption. Price reduction, product improvements, supply increase and variation, favourable food/drink combinations and access were among the most commonly cited facilitators for milk and cheese consumption. Major barriers included high price, reduced confidence in the product (reasons/contexts that reduce perceived safety of the product), health status, problems linked to supply (varieties/formats which are not available), and habits and cultural values. Gender and level of milk and cheese consumption differences were observed between groups: men referred more often to industry and politics as factors influencing their milk consumption, while women expressed more animal and environmental concerns. Differences were also noted between high and low consumer’s groups in relation to the themes of taste, pleasure and emotions for milk and cheese consumption. Lastly, low consumers expressed more distrust and disgust relating to milk consumption than high consumers. Conclusions The majority of beliefs observed are consistent with earlier studies on milk or dairy product consumption. Consumers’ concerns about origins of milk, however, have never been reported. These findings will help optimize approaches for promoting consumption of these foods among different segments of Canadian adults. Publication Accès libreInfluence of Nutrition Claims on Appetite Sensations according to Sex, Weight Status, and Restrained Eating(Hindawi Publishing Corporation, 2016-09-20) Painchaud Guérard, Geneviève; Pomerleau, Sonia; Doucet, Éric; Lemieux, Simone; Provencher, VéroniqueNutrition claims may help people to adopt healthier eating habits, but little is known about the potential cognitive effects of such claims on appetite sensations. The main purpose of this study was to evaluate the impact of nutrition claims and individual factors on perceived appetite sensations. According to a three ("healthy" versus "diet" (i.e., satiating) versus "hedonic") by two (restrained or not restrained) by two (normal-weight or overweight/obese) by two (men versus women) factorial design, 164 males and 188 females aged 18-65 were invited to taste an oatmeal-raisin snack in a blinded and ad libitum context. Visual analog scales (150¿mm) were used to evaluate appetite sensations before and over 1¿h after consumption period. BMI and Restraint Scale were used to categorize participants according to their weight and restraint status. No main condition effect was observed for any of the four appetite sensations. However, subgroups analysis revealed significant differences among specific subgroups. A main effect of sex was also observed for all appetite sensations with men reporting higher levels of desire to eat, hunger and prospective food consumption, and lower levels of fullness than women. These findings highlight the importance of considering individual characteristics in interaction when studying appetite sensations. Publication Accès libreInfluence des allégations nutritionnelles verbales sur les sensations perçues de faim et de satiété lors de la prise d'une collation(2015) Painchaud Guérard, Geneviève; Lemieux, Simone; Provencher, VéroniqueLes travaux présentés dans ce mémoire avaient pour objectif principal d’évaluer l’impact psychologique des allégations nutritionnelles sur les sensations d’appétit. Selon un devis factoriel de type trois (condition expérimentale) par deux (sexe) par deux (poids) par deux (restriction cognitive), 164 hommes et 188 femmes âgés de 18 à 65 ans ont été invités à déguster et évaluer des biscuits à l’avoine et aux raisins sous le couvert d’une étude de marketing. Aucun effet général des allégations n’a été observé sur les sensations d’appétit. Toutefois, un effet rassasiant de la condition « diète » a été observé chez les femmes de poids normal non restreintes et chez les hommes en surpoids ou obèses non restreints. Les hommes ont également rapporté des niveaux de faim plus élevés que les femmes. Ces résultats démontrent l’importance de considérer les facteurs individuels lors de l’étude de la perception des aliments ou des sensations d’appétit.