Messages About Calcium and Weight In Canadian Women's Magazines

Publication: Canadian Journal of Dietetic Practice and Research
17 May 2007

Abstract

Purpose: Osteoporosis affects 1.4 million Canadians. Maximizing bone mass by age 30 may reduce this risk. Because calcium intake and body weight are both associated with bone mass, and many Canadian women report that they obtain nutrition information from magazines, we compared the frequency of calcium and body weight messages in Chatelaine and Flare, Canadian magazines for mature versus younger women, respectively.
Methods: Using keywords, we identified relevant advertisements and articles in all issues of Chatelaine and Flare for 2000 to 2001. Data were analyzed using paired t-tests and Wilcoxon signed-rank sum tests.
Results: Chatelaine had more calcium and weight messages per 100 pages than did Flare (significant only for calcium, p ≤0.0001). Within Chatelaine, there were no significant differences between the frequency of calcium and weight messages; however, almost 90% of Flare's messages focused on weight (p ≤0.0001), with only eight messages in two years addressing calcium.
Conclusions: Magazines with limited calcium and many weight messages inadvertently promote a lifestyle that may increase the risk for osteoporosis. The opportunity exists to provide improved calcium and osteoporosis coverage for women at the prime age for maximizing bone density. Awareness of information gaps may help dietitians strategize in promoting nutrition messages to women.

Résumé

Objectif: L'ostéoporose touche 1,4 million de Canadiens. Une masse osseuse maximale à l’âge de 30 ans peut réduire ce risque. Étant donné que l'apport en calcium et le poids corporel sont tous deux associés à la masse osseuse et que de nombreuses Canadiennes déclarent trouver de l'information en nutrition dans les magazines, nous avons comparé la fréquence des messages sur le calcium et le poids dans Chatelaine et Flare, magazines canadiens destinés respectivement aux femmes d’âge mûr et aux jeunes femmes.
Méthodes: À l'aide de mots clés, nous avons relevé les annonces et articles pertinents dans tous les numéros de Chatelaine et de Flare en 2000 et 2001. Les données ont été analysées à l'aide de tests t et de tests de Wilcoxon pour observations appariées.
Résultats: Chatelaine présentait, par 100 pages, plus de messages sur le calcium et le poids que Flare (donnée significative seulement pour le calcium, p ≤ 0,0001). Dans Chatelaine, il n'y avait aucune différence significative entre la fréquence des messages sur le calcium et sur le poids; cependant, près de 90 % des messages de Flare portaient sur le poids (p ≤ 0,0001); en deux ans, huit messages seulement portaient sur le calcium.
Conclusions: Les magazines comportant peu de messages sur le calcium et beaucoup sur le poids font par inadvertance la promotion d'un style de vie qui peut accroître le risque d'ostéoporose. Il est possible d'améliorer l'information sur le calcium et l'ostéoporose pour les jeunes femmes afin d'optimiser la densité osseuse. Une sensibilisation quant aux lacunes en matière d'information peut aider les diététistes dans leurs stratégies de promotion des messages nutritionnels destinés aux femmes.

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Published In

cover image Canadian Journal of Dietetic Practice and Research
Canadian Journal of Dietetic Practice and Research
Volume 68Number 2July 2007
Pages: 103 - 106

History

Version of record online: 17 May 2007

Authors

Affiliations

Talia Hassan, MSc, RD
Department of Human Nutritional Sciences, Faculty of Human Ecology, University of Manitoba, Winnipeg, MB
Gail Marchessault, PhD, PHEc, RD
Department of Human Nutritional Sciences, Faculty of Human Ecology, University of Manitoba, Winnipeg, MB
Marian Campbell, PhD, RD
Department of Human Nutritional Sciences, Faculty of Human Ecology, University of Manitoba, Winnipeg, MB
Bruce Huhmann, PhD
College of Business Administration & Economics, New Mexico State University, NM, USA

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1. Calcium, Vitamin D, Iron, and Folate Messages in Three Canadian Magazines

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