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Related Experiment Videos

Measuring physical activity with a single question.

K B Schechtman1, B Barzilai, K Rost

  • 1Division of Biostatistics, Washington University School of Medicine, St. Louis, MO 63110.

American Journal of Public Health
|June 1, 1991
PubMed
Summary
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A single question about regular exercise participation accurately identifies individuals

Area of Science:

  • Health Promotion
  • Epidemiology
  • Exercise Science

Background:

  • Worksite health promotion programs aim to improve employee well-being.
  • Accurate assessment of physical activity is crucial for health interventions.
  • Existing questionnaires can be lengthy, posing challenges in large studies.

Purpose of the Study:

  • To evaluate the validity of a single self-report question on regular exercise participation.
  • To determine if a brief exercise question correlates with key health indicators.

Main Methods:

  • A cohort of 1,004 subjects in a worksite health promotion program was studied.
  • Baseline data included a single question on regular exercise.
  • Associations with body mass index, HDL cholesterol, and oxygen capacity were analyzed.

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Main Results:

  • The single exercise question showed significant age-adjusted associations with body mass index in both men and women.
  • Significant associations were found with HDL cholesterol in women.
  • Significant associations were observed with oxygen capacity in women.

Conclusions:

  • A single self-reported question on exercise provides valid insights into participation.
  • This brief instrument is valuable for large-scale epidemiologic studies.
  • Simple questions can effectively capture relevant health-related behaviors.