Trends in relative weight over 1 year in low-income urban youth

Hannah G. Lawman, Giridhar Mallya, Stephanie Vander Veur, Tara McCoy, Lisa Colby, Tim Sanders, Judith Wylie-Rosett, Gary D. Foster

Research output: Contribution to journalArticle

5 Scopus citations

Abstract

Objectives Recent cross-sectional data indicate the rates of childhood obesity are plateauing. Few large-scale longitudinal data sets exist, particularly in low-income and minority youth. The purpose of this study was to describe longitudinal changes in relative weight among a large sample of low-income, minority youth over 1 year. Methods Participants were students from 56 schools in urban, low-income environments. There were 17,727 first- to sixth-graders (64% African-American, 52% male) assessed at baseline, and 13,305 youth (75.1%) were reassessed 1 year later at follow-up. Measured height and weight were used to assess categorical (overweight, obesity, severe obesity) and continuous (BMI, percentile, z-score) measures of relative weight. Results Longitudinal data showed that over 1 year, BMI percentile (95% CI.64 - 0.32, P- <- 0.001) and BMI z-score (95% CI: -0.02 - 0.01, P- <- 0.001) were significantly lower compared to baseline. The prevalence of overweight and obesity was stable over 1 year. Most (86.0%) youth remained in the same weight category as baseline, 6.8% improved weight category, and 7.2% worsened weight category over 1 year. Conclusions These longitudinal data indicate that the relative weight of low-income, urban youth is showing signs of a small improvement over a 1-year follow-up period. The rates of childhood obesity, however, remain remarkably high and require continued, creative public health efforts.

Original languageEnglish (US)
Pages (from-to)436-442
Number of pages7
JournalObesity
Volume23
Issue number2
DOIs
StatePublished - Feb 1 2015

ASJC Scopus subject areas

  • Medicine (miscellaneous)
  • Endocrinology, Diabetes and Metabolism
  • Endocrinology
  • Nutrition and Dietetics

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    Lawman, H. G., Mallya, G., Veur, S. V., McCoy, T., Colby, L., Sanders, T., Wylie-Rosett, J., & Foster, G. D. (2015). Trends in relative weight over 1 year in low-income urban youth. Obesity, 23(2), 436-442. https://doi.org/10.1002/oby.20928