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The Relationship Between Environmental Exposures and Post-Stroke Physical Activity.

Erica Twardzik1, Philippa J Clarke2, Lynda L Lisabeth3

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Environmental factors like weather and neighborhood resources influence physical activity in stroke survivors. Higher socioeconomic status and access to intellectual destinations promote activity, while cold weather reduces it.

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Area of Science:

  • Public Health
  • Environmental Health
  • Rehabilitation Science

Background:

  • Post-stroke physical activity is crucial for recovery and overall health.
  • Environmental factors are increasingly recognized as significant determinants of health behaviors, including physical activity.
  • Understanding these environmental influences can inform targeted interventions for stroke survivors.

Purpose of the Study:

  • To investigate the association between various environmental exposures and physical activity levels in stroke survivors.
  • To determine if neighborhood characteristics and weather conditions impact post-stroke physical activity.

Main Methods:

  • A cohort of 374 Black and White stroke survivors with accelerometer data was analyzed.
  • Environmental data, including neighborhood resource density, socioeconomic status (SES), crime, and extreme cold days, were linked to participant addresses.
  • Post-stroke light physical activity and moderate-to-vigorous physical activity were measured using accelerometers over a 7-day period.

Main Results:

  • Increased extremely cold days correlated with reduced light physical activity.
  • Higher neighborhood socioeconomic status (SES) was linked to increased odds of engaging in moderate-to-vigorous physical activity.
  • Greater density of intellectual stimulation destinations was associated with more moderate-to-vigorous physical activity among those active.

Conclusions:

  • Environmental exposures, specifically weather, neighborhood SES, and proximity to intellectual destinations, are associated with physical activity in stroke survivors.
  • These findings highlight the importance of the built and social environment in promoting physical activity post-stroke.
  • Interventions addressing environmental barriers may enhance physical activity participation and improve outcomes for stroke survivors.