The Myth of Overweight Vegetarian Women
- From: "George Cherry" <GWCherryHatesGreenEggsAndSpam@xxxxxxxxxxxx>
- Date: Fri, 19 Aug 2005 21:43:49 -0400
1: Am J Clin Nutr. 2005 Jun;81(6):1267-74. Related Articles, Links
Risk of overweight and obesity among semivegetarian, lactovegetarian, and
vegan women.
Newby PK, Tucker KL, Wolk A.
Jean Mayer US Department of Agriculture Human Nutrition Research Center on
Aging at Tufts University, Boston, MA 02111, USA. pknewby@xxxxxxxxxxxxxxxx
BACKGROUND: Observational studies suggest that a plant-based diet is
inversely related to body mass index (BMI), overweight, and obesity.
OBJECTIVE: Our objective was to examine the BMI (kg/m(2)) and risk of
overweight and obesity of self-defined semivegetarian, lactovegetarian, and
vegan women. DESIGN: Data analyzed in this cross-sectional study were from
55459 healthy women participating in the Swedish Mammography Cohort. Women
were asked whether they considered themselves to be omnivores (n = 54257),
semivegetarians (n = 960), lactovegetarians (n = 159), or vegans (n = 83),
and this question was the main exposure variable in this study. In secondary
analyses, we reclassified women as lactovegetarians on the basis of food
intakes reported on the food-frequency questionnaire. RESULTS: The
prevalence of overweight or obesity (BMI >/= 25) was 40% among omnivores,
29% among both semivegetarians and vegans, and 25% among lactovegetarians.
In multivariate, adjusted logistic regression analyses, self-identified
vegans had a significantly lower risk of overweight or obesity [odds ratio
(OR) = 0.35; 95% CI: 0.18, 0.69] than did omnivores, as did lactovegetarians
(OR = 0.54; 95% CI: 0.35, 0.85) and semivegetarians (OR = 0.52; 95% CI:
0.43, 0.62). Risk of overweight or obesity remained significantly lower
among lactovegetarians classified on the basis of the food-frequency
questionnaire (OR = 0.48; 95% CI: 0.30, 0.78). CONCLUSIONS: Even if
vegetarians consume some animal products, our results suggest that
self-identified semivegetarian, lactovegetarian, and vegan women have a
lower risk of overweight and obesity than do omnivorous women. The advice to
consume more plant foods and less animal products may help individuals
control their weight.
PMID: 15941875 [PubMed - indexed for MEDLINE]
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