期刊
JOURNAL OF PHYSICAL ACTIVITY & HEALTH
卷 5, 期 -, 页码 S16-S29出版社
HUMAN KINETICS PUBL INC
DOI: 10.1123/jpah.5.s1.s16
关键词
survey; BRFSS; moderate physical activity; vigorous physical activity
资金
- PHS HHS [U48/CCU-409664, R06/CCR421479] Funding Source: Medline
- NCCDPHP CDC HHS [1-U48-DP-000051] Funding Source: Medline
- NATIONAL CENTER FOR CHRONIC DISEASE PREV AND HEALTH PROMO [U48DP000051] Funding Source: NIH RePORTER
Background: Question order might affect self-reported regular physical activity (PA) measured with items from the Behavioral Risk Factor Surveillance System (BRFSS) PA module. Methods: A telephone survey was conducted using 2 forms (N = 1004, N = 212) with varying PA question order. The standard form presented moderate-PA, vigorous-PA, and walking questions, in that order, whereas the alternate form presented walking questions, followed by moderate-PA, and then vigorous-PA questions. Weighted, adjusted rates of vigorous PA, walking, meeting the Centers for Disease Control and Prevention (CDC) recommendation for moderate or vigorous PA, and moderate PA from each form were compared. Results: Vigorous PA and walking were similar regardless of question order. Meeting the CDC recommendation for moderate or vigorous PA was reported less often with the alternate form among 18- to 34-year-olds. Less moderate PA was reported with the alternate form overall and among 18- to 34-year-olds, women, whites, and those with a high school education or less. Conclusion: Estimating PA and walking across sociodemographic strata with differing patterns of PA requires asking moderate-PA and vigorous-PA questions before walking questions. Asking walking questions first might lead to bias, especially for moderate PA. Walking, added to a survey with BRFSS moderate and vigorous PA items, should be placed after moderate and vigorous PA. Walking questions first may cause bias, especially for moderate PA.
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