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

Buchowski MS, Matthews CE, Cohen SS, Signorello LB, Fowke JH, Hargreaves MK, Schlundt DG, Blot WJ
J Phys Act Health. 2012 9 (6): 765-75

PMID: 21952413 · PMCID: PMC3527833

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.

MeSH Terms (17)

Adult African Americans Aged European Continental Ancestry Group Exercise Female Health Behavior Health Status Disparities Humans Life Style Male Middle Aged Prospective Studies Reproducibility of Results Southeastern United States Surveys and Questionnaires Time Factors

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