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Personne :
Lapointe, Annie

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Lapointe

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Annie

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Université Laval. Institut sur la nutrition et les aliments fonctionnels

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ncf13734938

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Voici les éléments 1 - 3 sur 3
  • PublicationRestreint
    A systematic review of the effect of yogurt consumption on chronic diseases risk markers in adults
    (Springer, 2016-11-02) Dugrenier, Marilyn; Lapointe, Annie; Lamarche, Benoît; Dumas, Audrée-Anne; Desroches, Sophie; Provencher, Véronique
    Purpose: We reviewed randomised controlled trials (RCTs) that have assessed the effects of yogurt containing Lactobacillus bulgaricus and Streptococcus thermophilus (LBST) on metabolic risk markers of chronic diseases in adults. Methods: We performed a systematic search in July 2016 in the scientific databases PubMed, EMBASE and The Cochrane Library. Included studies were RCTs that assessed the impact of consuming yogurt containing LBST as a treatment, and that evaluated at least one metabolic risk marker for chronic diseases compared with a control diet or a diet supplemented in another food/ingredient in healthy or chronically ill adults. Results: Seven RCTs involving 278 participants were included in the review. Studies were conducted in the USA, France, Spain, Iran and Canada. Five studies were undertaken in healthy adults, and two were conducted among lactose malabsorbers. All studies investigated changes in blood lipids and glucose homoeostasis, with different doses of yogurt, durations of the supplementation and risks markers assessed. Consumption of LBST yogurt significantly reduced total cholesterol concentrations, ratio of total cholesterol to HDL-C and plasma glucose compared to a control yogurt-free diet or diet supplemented in another food/ingredient in two out of the seven studies. The majority of included RCTs presented high to unclear methodological risks of bias, which raises questions about the validity of their findings. Conclusions: Data from this systematic review indicate that the consumption of LBST yogurt shows either favourable or neutral effects on metabolic risk markers when compared with a control treatment in controlled research settings. RCTs investigating the effect of LBST yogurt consumption on metabolic risk markers of chronic diseases are scarce and presented considerable variation in methodologies making comparison between studies difficult. Further large-scale, well-designed studies assessing the impact of LBST yogurt, in particular in comparison with a control yogurt-free diet, are warranted to effectively evaluate the effect of yogurt consumption per se on risk markers of chronic diseases.
  • PublicationRestreint
    Women’s perceptions of usefulness and ease of use of four healthy eating blog characteristics : a qualitative study of 33 French-Canadian women
    (Elsevier, 2017-10-26) Dugrenier, Marilyn; Lapointe, Annie; Bissonnette-Maheux, Véronique; Gagnon, Marie-Pierre; Dumas, Audrée-Anne; Straus, Sharon; Desroches, Sophie; Provencher, Véronique
    Background Healthy eating blogs are knowledge translation tools used by nutrition and dietetics practitioners for helping people improve their health behaviors and food choices. Objective Our aim was to explore women’s perceptions of the usefulness and ease of use of healthy eating blog (HEB) characteristics that might increase potential users’ intention to use them as tools to improve their dietary habits. Design We conducted qualitative research using semi-structured individual interviews. Participants Thirty-three women (mean age of 44 years; range=27 to 61 years) living in the Quebec City, Canada, metropolitan area were studied. Intervention Four existing HEBs, written by French-Canadian registered dietitians (RDs) whose main objective was the promotion of a healthy diet, were explored by women during individual interviews. A standardized open-ended interview questionnaire based on the Technology Acceptance Model was used to identify women's perceptions about characteristics of type of blog content delivery, RD blogger's delivery of information, blog layout, and blog design. Main outcome measures Women's perceptions toward the contribution of HEB characteristics to the usefulness and ease of use of those tools to improve their dietary habits were measured. Analyses performed Interviews were audiorecorded, transcribed verbatim, coded, and analyzed through an inductive content analysis using NVivo software. Results The most useful characteristics of type of blog content delivery identified by women were recipes, hyperlinks, and references. Among characteristics of RD blogger's delivery of information, most women reported that interaction between blog readers and the RD blogger created a sense of proximity and of connection that was helpful for improving their dietary behaviors. Women's perceptions toward various characteristics of blog layout and design were also discussed. Conclusions Incorporating specific characteristics when designing HEBs should be considered by RDs and future research to promote the use of those tools to support dietary behavior change efforts of internet users.
  • PublicationRestreint
    A comparative content analysis of vegetarian food blogs written by registered dietitians and non- registered dietitians
    (Dietitians of Canada = Diététistes du Canada., 2017-03-23) Dugrenier, Marilyn; Lapointe, Annie; Lemieux, Simone; Dumas, Audrée-Anne; Desroches, Sophie
    This purpose of this study was to compare the nutritional content of vegetarian recipes published in food blogs written by registered dietitians (RDs) and by non-registered dietitians (non-RDs). Twelve food blogs written by RDs and 12 written by non-RDs were selected using a systematic approach. For each food blog, 2 vegetarian entrée recipes per season were selected (n = 192 recipes). Descriptive analyses were performed using Fisher’s exact test. Median nutritional values per serving between RDs’ and non-RDs’ recipes were compared using Wilcoxon–Mann–Whitney tests. RDs’ recipes were significantly lower in energy, non-heme iron, vitamin C, and sodium, contained significantly more vitamin D and had a higher protein proportion than non-RDs’ recipes. Disparities were also observed across type of entrée and vegetarian dietary pattern. In conclusion, this study showed that RD and non-RD food bloggers provided vegetarian recipes with few nutritional differences. Whether expanding the comparative analysis between RDs and non-RDs’ blogs targeting different nutrition-related topics would yield different results remains to be investigated.