Differential accuracy of physical activity self-report by body mass index

Erica T. Warner, Kathleen Y. Wolin, Dustin Duncan, Daniel P. Heil, Sandy Askew, Gary G. Bennett

Research output: Contribution to journalArticle

Abstract

Objectives: To examine whether agreement between self-reported and accelerometer-measured physical activity varies by BMI category in a low-income black sample. Methods: Participants completed a questionnaire and wore an accelerometer for 4-6 days. Using one- and 10-minute bouts, accelerometers measured light, moderate, and vigorous physical activity time. Results: Correlations varied by obesity (nonobese: one-minute r=0.41; 10- minute r=0.47; obese: one-minute r=0.21; 10-minute r=0 .14). Agreement was highest among nonobese persons (one-minute kappa = 0.48, 10-minute kappa = 0.023; obese: one-minute kappa = -0.024, 10- minute kappa = -0.020). Conclusions: We found compromised questionnaire performance among obese participants.

Original languageEnglish (US)
Pages (from-to)168-178
Number of pages11
JournalAmerican Journal of Health Behavior
Volume36
Issue number2
DOIs
StatePublished - 2012

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Self Report
Body Mass Index
questionnaire
low income
Obesity
Light
human being
performance
Surveys and Questionnaires
time

Keywords

  • Accelerometer
  • IPAQ-S
  • Obesity
  • Physical activity
  • Self-report

ASJC Scopus subject areas

  • Public Health, Environmental and Occupational Health
  • Health(social science)
  • Social Psychology

Cite this

Differential accuracy of physical activity self-report by body mass index. / Warner, Erica T.; Wolin, Kathleen Y.; Duncan, Dustin; Heil, Daniel P.; Askew, Sandy; Bennett, Gary G.

In: American Journal of Health Behavior, Vol. 36, No. 2, 2012, p. 168-178.

Research output: Contribution to journalArticle

Warner, Erica T. ; Wolin, Kathleen Y. ; Duncan, Dustin ; Heil, Daniel P. ; Askew, Sandy ; Bennett, Gary G. / Differential accuracy of physical activity self-report by body mass index. In: American Journal of Health Behavior. 2012 ; Vol. 36, No. 2. pp. 168-178.
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