1994
DOI: 10.1093/ije/23.5.991
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Reproducibility and Validity of a Self-Administered Physical Activity Questionnaire

Abstract: The simple, short questionnaires on activity and inactivity used in the Nurses' Health Study II are reasonably valid measures for epidemiological research.

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Cited by 967 publications
(822 citation statements)
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“…We controlled for the following covariates: age in 1998, marital status (married/partner vs. single/widowed/ divorced), waist circumference in inches, physical activity, smoking status (current, former, never), alcohol intake, and presence of comorbid conditions (heart disease, hypertension, hypercholesterolemia, diabetes mellitus, stroke, arthritis, and nonprostate carcinomas). Physical activity was measured using a validated questionnaire 36 assessing the type and duration of eight common leisure activities. Activity scores are computed in metabolic-equivalent hours per week and included in the regression models in quintiles.…”
Section: Resultsmentioning
confidence: 99%
“…We controlled for the following covariates: age in 1998, marital status (married/partner vs. single/widowed/ divorced), waist circumference in inches, physical activity, smoking status (current, former, never), alcohol intake, and presence of comorbid conditions (heart disease, hypertension, hypercholesterolemia, diabetes mellitus, stroke, arthritis, and nonprostate carcinomas). Physical activity was measured using a validated questionnaire 36 assessing the type and duration of eight common leisure activities. Activity scores are computed in metabolic-equivalent hours per week and included in the regression models in quintiles.…”
Section: Resultsmentioning
confidence: 99%
“…However, limitations include the fact that physical activity was self‐reported, so measurement is less precise. Nonetheless, this questionnaire has been previously validated in a similar study population 15. Another limitation is that our study only included predominantly white women of higher socioeconomic status and may not be generalizable to other groups.…”
Section: Discussionmentioning
confidence: 99%
“…One MET corresponds to an energy expenditure of ≈1 kcal/kg of body weight per hour; thus, energy expenditure in kilocalories per week was estimated by multiplying the MET score by body weight and hours per week. This assessment of physical activity has been shown to be valid and reliable15; for example, the correlation between 4 1‐week activity diaries kept over 1 year and questionnaire estimates of physical activity was 0.62.…”
Section: Methodsmentioning
confidence: 98%
“…In particular, we had a unique ability to examine a wide range of exposures and interaction with genotype. As participants were health professionals, the accuracy of self-reported data is likely to be high; information on many exposures, including endoscopy, has been validated previously (Willett et al, 1985;Rimm et al, 1990;Wolf et al, 1994). Moreover, because our study was nested within three larger, well-defined cohorts, control participants were sampled from the same population as case participants.…”
Section: Discussionmentioning
confidence: 99%