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Assessing perceived physical environmental variables that may influence physical activity

J F Sallis1, M F Johnson, K J Calfas

  • 1Department of Psychology, San Diego State University, USA. sallis@mail.sdsu.edu

Research Quarterly for Exercise and Sport
|January 9, 1998
PubMed
Summary

Perceived home equipment and convenient facilities positively influence physical activity. Home equipment specifically correlated with strength exercise, highlighting environmental factors in activity choices.

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Area of Science:

  • Environmental Psychology
  • Public Health
  • Exercise Science

Background:

  • Physical activity is crucial for health, yet influenced by environmental factors.
  • Understanding perceived environments can inform interventions to promote activity.
  • Previous measures may not capture diverse environmental influences comprehensively.

Purpose of the Study:

  • To evaluate a new measure of perceived physical environments related to physical activity.
  • To assess the reliability and validity of scales assessing home, neighborhood, and route environments.
  • To examine the association between perceived environmental factors and self-reported physical activity.

Main Methods:

  • Developed a 43-item self-report measure assessing environmental facilitators and barriers.

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  • Assessed environmental variables at home, in neighborhoods, and on travel routes.
  • Administered the measure to 110 college students and analyzed test-retest reliability and correlations with physical activity.

    • Main Results:

    • Demonstrated good test-retest reliability for home equipment (.89), neighborhood (.68), and convenient facilities (.80) scales.
    • Found significant correlations between home equipment and convenient facilities scales with self-reported physical activity.
    • Identified home equipment as the only significant predictor of strength exercise after controlling for neighborhood socioeconomic status.

    Conclusions:

    • The developed measure shows promising reliability for assessing perceived physical environments.
    • Home equipment and convenient facilities appear to be important perceived environmental correlates of physical activity.
    • Further research is needed to explore other environmental characteristics influencing physical activity behaviors.