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. 2005 Sep;95(9):1602-6.
doi: 10.2105/AJPH.2004.043935. Epub 2005 Jul 28.

Weight gain trends across sociodemographic groups in the United States

Khoa Dang Truong  1 , Roland Sturm
Affiliations

Weight gain trends across sociodemographic groups in the United States

Khoa Dang Truong et al. Am J Public Health. 2005 Sep.

Abstract

Objectives: To better understand health disparities, we compared US weight gain trends across sociodemographic groups between 1986 and 2002.

Methods: We analyzed mean and 80th-percentile body mass index (BMI), calculated from self-reported weight and height, for subpopulations defined by education, relative income, race/ethnicity, and gender. Data were from the Behavioral Risk Factor Surveillance System, a random-digit-dialed telephone survey (total sample=1.88 million adult respondents).

Results: Each sociodemographic group experienced generally similar weight gains. We found no statistically significant difference in increase in mean BMI by educational attainment, except that individuals with a college degree gained less weight than did others. The lowest-income group gained as much weight on average as the highest-income group, but lowest-income heavier individuals (80th percentile of BMI) gained weight faster than highest-income heavier individuals. We found no differences across racial/ethnic groups except that non-Hispanic Blacks gained more weight than other groups. Women gained more weight than men.

Conclusions: We found fewer differences, especially by relative income and education, in weight gain across subpopulations than we had expected. Women and non-Hispanic Blacks gained weight faster than other groups.

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Figures

FIGURE 1—
FIGURE 1—
Trends in average body mass index (BMI), by education: Behavioral Risk Factor Surveillance System, 1986–2002.
FIGURE 2—
FIGURE 2—
Trends in average body mass index (BMI), by relative income: Behavioral Risk Factor Surveillance System, 1986–2002.
See this image and copyright information in PMC

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