Searchable Title

PA Questionnaire (appears in: Test-Retest Reliability of the Women's Health Initiative Physical Activity Questionnaire). Copyright: The PA Questionnaire is in the Public Domain because it was created by the federal government. The article is copyrighted by the American College of Sports Medicine.

Reference Type

Journal Article

Authors, Section

Meyer, A. M.; Evenson, K. R.; Morimoto, L.; Siscovick, D.; White, E.

Title, Section

PA Questionnaire (appears in: Test-Retest Reliability of the Women's Health Initiative Physical Activity Questionnaire). Copyright: The PA Questionnaire is in the Public Domain because it was created by the federal government. The article is copyrighted by the American College of Sports Medicine.

Publication Year

2009

Journal Title

Medicine and Science in Sports and Exercise

Volume

41

Issue

3

Pages

530-8

Availability

online

PMID

PMID: 19204598

DOI

10.1249/MSS.0b013e31818ace55

Abstract

Contenet of the PA Questionnaire can be found in the Forms related to the Women's Health Initiative at: http://www.whiscience.org/data/forms.php PURPOSE: Few physical activity (PA) questionnaires were designed to measure the lifestyles and activities of women. We sought to examine the test-retest reliability of a PA questionnaire used in the Women's Health Initiative (WHI) study. Differences in reliability were also explored by important covariates. METHODS: Participants (n = 1092) were postmenopausal women aged 50-79 yr, randomly selected from the baseline sample of participants in the WHI Observational Study. The WHI PA questionnaire collects usual frequency, duration, and pace of recreational walking, frequency, and duration of other recreational activities or exercises (mild, moderate, and strenuous), household, and yard activities. Approximately half of the women (n = 569) repeated questions on recreational PA, the other half (n = 523) repeated questions related to household and yard activities (mean 3 months apart). Test-retest reliability was assessed with kappa and intraclass correlation coefficients (ICC 1,1). RESULTS: Overall, questions on recreational walking, moderate recreational PA, and strenuous recreational PA had higher test-retest reliability (weighted kappa range = 0.50-0.60) than questions on mild recreational PA (weighted kappa range = 0.35-0.50). The ICC 1,1 for moderate to strenuous recreational PA was 0.77 (95% confidence interval [CI] = 0.73-0.80), and the total recreational PA was 0.76 (95% CI = 0.71-0.79). Substantial reliability was observed for the summary measures of yard activities (ICC 1,1 = 0.71; 95% CI = 0.66-0.75) and household activities (ICC 1,1 = 0.60, 95% CI = 0.55-0.66). No meaningful differences were observed by race/ethnicity, age, time between test and retest, and amount of reported PA. CONCLUSIONS: The WHI PA questionnaire demonstrated moderate to substantial test-retest reliability in a diverse sample of postmenopausal women.

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