Evaluation of a questionnaire to assess sedentary and active behaviors in the Southern Community Cohort Study.

نویسندگان

  • Maciej S Buchowski
  • Charles E Matthews
  • Sarah S Cohen
  • Lisa B Signorello
  • Jay H Fowke
  • Margaret K Hargreaves
  • David G Schlundt
  • William J Blot
چکیده

BACKGROUND Low physical activity (PA) is linked to cancer and other diseases prevalent in racial/ethnic minorities and low-income populations. This study evaluated the PA questionnaire (PAQ) used in the Southern Cohort Community Study, a prospective investigation of health disparities between African-American and white adults. METHODS The PAQ was administered upon entry into the cohort (PAQ1) and after 12-15 months (PAQ2) in 118 participants (40-60 year-old, 48% male, 74% African-American). Test-retest reliability (PAQ1 versus PAQ2) was assessed using Spearman correlations and the Wilcoxon signed rank test. Criterion validity of the PAQ was assessed via comparison with a PA monitor and a last-month PA survey (LMPAS), administered up to 4 times in the study period. RESULTS The PAQ test-retest reliability ranged from 0.25-0.54 for sedentary behaviors and 0.22-0.47 for active behaviors. The criterion validity for the PAQ compared with PA monitor ranged from 0.21-0.24 for sedentary behaviors and from 0.17-0.31 for active behaviors. There was general consistency in the magnitude of correlations between the PAQ and PA-monitor between African-Americans and whites. CONCLUSIONS The SCCS-PAQ has fair to moderate test-retest reliability and demonstrated some evidence of criterion validity for ranking participants by their level of sedentary and active behaviors.

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عنوان ژورنال:
  • Journal of physical activity & health

دوره 9 6  شماره 

صفحات  -

تاریخ انتشار 2012