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Al-Shaar L, Pernar CH, Chomistek AK, et al. Reproducibility, Validity, and Relative Validity of Self-Report Methods for Assessing Physical Activity in Epidemiologic Studies: Findings from the Women's Lifestyle Validation Study. Am J Epidemiol. 2022;doi: 10.1093/aje/kwab294.
Al-Shaar, L., Pernar, C. H., Chomistek, A. K., Rimm, E. B., Rood, J., Stampfer, M. J., Eliassen, A. H., Barnett, J. B., & Willett, W. C. (2022). Reproducibility, Validity, and Relative Validity of Self-Report Methods for Assessing Physical Activity in Epidemiologic Studies: Findings from the Women's Lifestyle Validation Study. American journal of epidemiology, . https://doi.org/10.1093/aje/kwab294
Al-Shaar, Laila, et al. "Reproducibility, Validity, and Relative Validity of Self-Report Methods for Assessing Physical Activity in Epidemiologic Studies: Findings from the Women's Lifestyle Validation Study." American journal of epidemiology vol. (2022). doi: https://doi.org/10.1093/aje/kwab294
Al-Shaar L, Pernar CH, Chomistek AK, Rimm EB, Rood J, Stampfer MJ, Eliassen AH, Barnett JB, Willett WC. Reproducibility, Validity, and Relative Validity of Self-Report Methods for Assessing Physical Activity in Epidemiologic Studies: Findings from the Women's Lifestyle Validation Study. Am J Epidemiol. 2022 Jan 05; doi: 10.1093/aje/kwab294. Epub 2022 Jan 05. PMID: 34999754.
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Am J Epidemiol. 2022 Jan 05; doi: 10.1093/aje/kwab294. Epub 2022 Jan 05.

Reproducibility, Validity, and Relative Validity of Self-Report Methods for Assessing Physical Activity in Epidemiologic Studies: Findings from the Women's Lifestyle Validation Study.

American journal of epidemiology

Laila Al-Shaar, Claire H Pernar, Andrea K Chomistek, Eric B Rimm, Jennifer Rood, Meir J Stampfer, A Heather Eliassen, Junaidah B Barnett, Walter C Willett

Affiliations

  1. Department of Nutrition, Harvard T.H. Chan School of Public Health, Boston, Massachusetts.
  2. Department of Public Health Sciences, Penn State College of Medicine.
  3. Department of Epidemiology Harvard T.H. Chan School of Public Health, Boston, Massachusetts.
  4. Department of Epidemiology and Biostatistics, School of Public Health, Indiana University, Bloomington, Indiana.
  5. Channing Division of Network Medicine, Department of Medicine, Brigham and Women's Hospital and Harvard Medical School, Boston, Massachusetts.
  6. Pennington Biomedical Research Center of the Louisiana State University System, Baton Rouge, Louisiana.
  7. Nutritional Immunology Laboratory, Human Nutrition Research Center on Aging, Tufts University, Boston, Massachusetts.

PMID: 34999754 DOI: 10.1093/aje/kwab294

Abstract

Among 683 participants of the Women's Lifestyle Validation Study (2010-2012), we evaluated the performance of a self-administered physical activity questionnaire (PAQ) and web-based 24-hour recalls (ACT24) using multiple comparison methods. Two PAQs, four ACT24s, two 7-day accelerometer measurements, one doubly-labeled water (DLW)-physical activity level (PAL) measure (repeated, n= 90), and four resting pulse rate (RPR) measurements were collected over 15 months. The deattenuated correlation (95% confidence interval) between PAQ and DLW-PAL was 0.41 (0.33, 0.49) for total PA and 0.40 (0.31, 0.48) for moderate to vigorous PA (MVPA). These correlations were similar when using accelerometer as the comparison method. Single and averaged ACT24 had lower correlations with DLW and accelerometer as comparison methods. The PAQ showed inverse correlations with DLW-body fat percent and RPR. Using the method of triads, the estimated correlation of PAQ with true total PA was 0.54 (0.47, 0.62), and with true MVPA was 0.60 (0.52, 0.69). For averaged ACT-24, the estimated correlations were 0.50 (0.43, 0.59) for total PA and 0.47 (0.39, 0.58) for MVPA, and for averaged accelerometer, these estimated correlations were 0.72 (0.64, 0.81) and 0.62 (0.53, 0.71). The PAQ provides reasonable validity for total PA and MVPA.

© The Author(s) 2022. Published by Oxford University Press on behalf of the Johns Hopkins Bloomberg School of Public Health. All rights reserved. For permissions, please e-mail: [email protected].

Keywords: ACT24; DLW; accelerometer; physical activity questionnaire; reproducibility; validity

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