Cohen 2008 Am J Clin Nutr: Difference between revisions
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Revision as of 08:57, 6 February 2020
Cohen DA, Sturm R (2008) Body mass index is increasing faster among taller persons. Am J Clin Nutr 87:445-8. |
Cohen DA, Sturm R (2008) Am J Clin Nutr
Abstract: BACKGROUND: During the past 40 y, there has been a trend toward more eating away from home, increased food availability, the opportunity to order extra-large portion sizes, and general weight gain.
OBJECTIVE: Because shorter people need fewer calories than taller people to maintain their weight, our goal was to determine whether the body mass index (BMI)-height relation has changed over time.
DESIGN: Data are from 3581 nonpregnant women and 3091 men examined in the 1959-1962 National Health Examination Survey and 4651 nonpregnant women and 4691 men examined in the 2001-2004 National Health and Nutrition Examination Survey. We tested whether the relation between BMI and height has changed for men and women, after adjustment for other demographic changes.
RESULTS: In the past, on average, shorter American men and women had significantly higher BMIs than taller people. However, taller people have been increasing their BMI during the past 40 y at a faster rate than shorter people.
CONCLUSIONS: This study documents that the obesity epidemic has changed the height-BMI relation. The data cannot identify causal pathways, and there are numerous explanations. A plausible hypothesis is that changes in the food environment may have eliminated constraints on weight gain for taller people that existed in a more calorie-constrained environment.
โข Bioblast editor: Gnaiger E
Labels: MiParea: Gender, Exercise physiology;nutrition;life style
Pathology: Obesity
Organism: Human
Preparation: Intact organism
BMI, Height