J Prev Med Public Health.  2018 Sep;51(5):234-241. 10.3961/jpmph.18.052.

The Role of Social Support and the Neighborhood Environment on Physical Activity in Low-income, Mexican-American Women in South Texas

Affiliations
  • 1Center of Emphasis in Cancer, Department of Biomedical Sciences, Texas Tech University Health Sciences Center El Paso, El Paso, TX, USA.
  • 2Latino Research Initiative, College of Liberal Arts, University of Texas at Austin, Austin, TX, USA. marisol.d.mcdaniel@austin.utexas.edu

Abstract


OBJECTIVES
To determine the relationships between physical activity (PA), the neighborhood environment support for PA, and social support for PA among Mexican-American women living in South Texas. The Enlace study was a randomized controlled trial that tested the effectiveness of a promotora-led PA intervention among low-income Mexican origin women (n=614) living in colonias.
METHODS
The dependent measures included accelerometer-measured average moderate to vigorous physical activity (MVPA) and sedentary breaks and the Community Health Activities Model Program for Seniors PA 41-item questionnaire. The independent measures included the Physical Activity and Neighborhood Environment Scale (PANES) and the 13-item Physical Activity Social Support (PASS) scale.
RESULTS
Enlace participants were on average 40.4 (standard deviation, 10.3) years old, born in Mexico (86.1%), and uninsured (83.1%). Adjusted linear regression results indicated that each 1-point increment in the PANES overall score was associated with 0.050 (p < 0.001) unit increase in sedentary break and a −0.043 (p=0.001) unit decrease in sedentary break duration. Both PANES (β=0.296; p=0.002) and PASS scores (β=0.076; p < 0.001) were associated with weekly average self-reported MVPA. Interaction effects were observed between PASS scores and accelerometer-measured frequency of sedentary breaks and sedentary time duration.
CONCLUSIONS
The findings of this study indicate that the relationships between PA and built environment and social support are measure-dependent and suggest that reducing sedentary time in this population may require a closer assessment of social support for PA.

Keyword

Environmental design; Health equity; Community-based participatory research; Exercise

MeSH Terms

Community-Based Participatory Research
Female
Health Equity
Humans
Linear Models
Medically Uninsured
Mexico
Motor Activity*
Residence Characteristics*
Texas*
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