Self-reported physical activity validated by pedometer: A pilot study

Barbara J. Speck, Stephen W. Looney

Research output: Contribution to journalArticlepeer-review

21 Scopus citations


Objective: The objective was to validate self-reported physical activity based on a daily activity record (DAR) with concurrent pedometer and 7-day physical activity-recall questionnaire data. Design: The design was a one-group descriptive correlational study. Sample: The sample consisted of 25 working women with a mean age of 39.8 years, 92% Caucasian, and 63% with a combined family income of $60,000 or greater. Measurements: Three instruments: (a) DAR, a self-reported record of moderate or higher intensity physical activities including household, exercise, leisure, and occupational. Metabolic equivalent unit (MET) scores were calculated from the self-report data, (b) 7-day physical activity recall, and (3) Yamax pedometers (SW-701) measured number of steps. Results: MET scores based on the DAR (n = 22) were strongly associated with both pedometer data (Spearman's rho = 0.607, p = 0.003) and 7-day physical activity-recall data (Spearman's rho = 0.542, p = 0.009). Conclusion: The results of this validation study indicated a statistically significant correlation of self-reported physical activity (DAR) with pedometer values and 7-day physical activity-recall data. The DAR may be useful for measuring physical activity in community health programs and in community-based research.

Original languageEnglish (US)
Pages (from-to)88-94
Number of pages7
JournalPublic Health Nursing
Issue number1
StatePublished - Jan 1 2006
Externally publishedYes


  • Measurement
  • Pedometer
  • Physical activity diary
  • Validity

ASJC Scopus subject areas

  • Nursing(all)
  • Public Health, Environmental and Occupational Health


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