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Public Health Nurs. 2006 Jan-Feb;23(1):88-94.

Self-reported physical activity validated by pedometer: a pilot study.

Author information

  • 1University of Louisville, KY 40292, USA. bjspec01@louisville.edu

Abstract

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 dollars 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.

PMID:
16460425
[PubMed - indexed for MEDLINE]
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