Cited by 76Physical Activity and HealthContext-Aware Activity Recognition SystemsPsychometric Methodologies and Testing

Reliability and convergent validity of the past-week Modifiable Activity Questionnaire

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Pettee Gabriel, Kelley, McClain, James J, Schmid, Kendra K, Storti, Kristi L, Ainsworth, Barbara E·2011·Public Health Nutrition

Abstract

OBJECTIVE: To examine the reliability and convergent validity of physical activity (PA) and inactivity estimates obtained with the past-week Modifiable Activity Questionnaire (PWMAQ). DESIGN: The PWMAQ, an interviewer-administered questionnaire, was administered twice, one week apart, during visits 3 and 4 of six total visits. Intra-class correlation coefficients (ICC) between administrations of the PWMAQ were used to assess the reliability of summary estimates. Spearman rank-order correlation coefficients (ρ) were used to examine the associations of PWMAQ summary estimates with temporally matched and averaged accelerometer data in all participants and then stratified by whether the data were reflective of usual PA. SETTING: Data were obtained from the Evaluation of Physical Activity Measures in Middle-Aged Women (PAW) study. SUBJECTS: Sixty-six women, mean age 52·6 (sd 5·4) years. RESULTS: The reliability of the PWMAQ physical inactivity estimate suggested substantial agreement over one week (ICC = 0·77, 95 % CI 0·57, 0·82; P < 0·0001). With the exception of light-intensity PA, the PWMAQ leisure PA estimate was significantly associated with averaged accelerometer data (ρ = 0·33-0·76; P < 0·05). For both temporally matched and averaged accelerometer data, correlation coefficients were higher between the PWMAQ estimate and moderate-walk- to vigorous-intensity PA in those who indicated that reported activity was reflective of usual PA; however, the association with moderate-lifestyle-intensity PA was higher in those reporting that data were not reflective. CONCLUSIONS: The PWMAQ is a reliable and valid measure of leisure PA levels in middle-aged women and supports subsequent studies evaluating this questionnaire in other population subgroups.

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Authors
Pettee Gabriel, K., McClain, J. J., Schmid, K. K., Storti, K. L., & Ainsworth, B. E.
Affiliations
  • National Institutes of Health (US)
  • University of Nebraska Medical Center (US)
  • University of Pittsburgh (US)
  • Arizona State University (US)
Venue
Public Health Nutrition
Published
2010-09-15
Volume
14
Issue
3
Pages
435-442
ISSN
  • 1368-9800 (ISSN-L)
  • 1475-2727
OpenAlex
W2042056012
Cited by
76
References
26
Citations by year
2026: 1 · 2025: 1 · 2024: 5 · 2023: 4 · 2022: 3 · 2021: 5 · 2020: 10 · 2019: 12 · 2018: 1 · 2017: 8 · 2016: 10 · 2015: 5 · 2014: 4 · 2013: 3 · 2012: 2
FWCI
1.52
Type
journal article
Language
en
Open access
Locations
  • Public Health Nutrition (publishedVersion)
  • PubMed (publishedVersion)
Funders
Arizona State University
Topics
  • Health Sciences › Medicine › Physiology › Physical Activity and Health
  • Physical Sciences › Computer Science › Computer Vision and Pattern Recognition › Context-Aware Activity Recognition Systems
  • Social Sciences › Decision Sciences › Management Science and Operations Research › Psychometric Methodologies and Testing
Keywords
physical activity measurement, physical inactivity, leisure-time physical activity, accelerometer validation, reliability statistics, convergent validity, middle-aged women, self-reported activity
MeSH terms
Female, Humans, Life Style, Middle Aged, Motor Activity, Surveys and Questionnaires, Reproducibility of Results

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