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Smart Walk : A Culturally Tailored Smartphone-Delivered Physical Activity Intervention for Cardiometabolic Risk Reduction among African American Women

Author

Listed:
  • Rodney P. Joseph

    (Center for Health Promotion and Disease Prevention, Edson College of Nursing and Health Innovation, Arizona State University, 500 N 3rd St., Phoenix, AZ 85004, USA)

  • Michael Todd

    (College of Nursing and Health Innovation, Arizona State University, 500 N 3rd St., Phoenix, AZ 85004, USA)

  • Barbara E. Ainsworth

    (School of Kinesiology, Shanghai University of Sport, Shanghai 200438, China)

  • Sonia Vega-López

    (College of Health Solutions, Arizona State University, Phoenix, AZ 85004, USA
    Southwest Interdisciplinary Research Center, Arizona State University, Phoenix, AZ 85004, USA)

  • Marc A. Adams

    (College of Health Solutions, Arizona State University, Phoenix, AZ 85004, USA)

  • Kevin Hollingshead

    (College of Health Solutions, Arizona State University, Phoenix, AZ 85004, USA)

  • Steven P. Hooker

    (College of Health and Human Services, San Diego State University, San Diego, CA 92182, USA)

  • Glenn A. Gaesser

    (College of Health Solutions, Arizona State University, Phoenix, AZ 85004, USA)

  • Colleen Keller

    (Center for Health Promotion and Disease Prevention, Edson College of Nursing and Health Innovation, Arizona State University, 500 N 3rd St., Phoenix, AZ 85004, USA)

Abstract

This article reports the results of Smart Walk : a randomized pilot trial of an 8-month culturally tailored, smartphone-delivered physical activity (PA) intervention for African American women with obesity. Sixty participants (age range = 24–49 years; BMI range = 30–58 kg/m 2 ) were randomized to the Smart Walk intervention (n = 30) or a wellness comparison intervention (n = 30). Results supported the acceptability and feasibility of the intervention, as demonstrated by participant retention (85% at 4 months and 78% at 8 months), Smart Walk app use, and intervention satisfaction (i.e., 100% of PA participants completing the intervention [n = 24] reported they would recommend it to friend). Smart Walk participants also reported greater increases in moderate-to-vigorous PA (4-month between-arm difference in change [b] = 43.3 min/week; p = 0.018; Cohen’s d = 0.69; 8-month b = 56.6 min/week; p = 0.046; d = 0.63) and demonstrated clinically relevant, although not statistically significant ( p -values > 0.05), baseline to 4 months improvements in cardiorespiratory fitness (b = 1.67 mL/kg/min; d = 0.40), systolic blood pressure (b = −3.33 mmHg; d = 0.22), diastolic blood pressure (b = −4.28 mmHg; d = 0.37), and pulse wave velocity (b = −0.46 m/s; d = 0.33). Eight-month cardiometabolic outcomes followed similar trends, but had high rates of missing data (45–53%) due to COVID-19 restrictions. Collectively, findings demonstrated favorable outcomes for acceptability and feasibility, while also highlighting key areas for refinement in future research.

Suggested Citation

  • Rodney P. Joseph & Michael Todd & Barbara E. Ainsworth & Sonia Vega-López & Marc A. Adams & Kevin Hollingshead & Steven P. Hooker & Glenn A. Gaesser & Colleen Keller, 2023. "Smart Walk : A Culturally Tailored Smartphone-Delivered Physical Activity Intervention for Cardiometabolic Risk Reduction among African American Women," IJERPH, MDPI, vol. 20(2), pages 1-25, January.
    • Handle: RePEc:gam:jijerp:v:20:y:2023:i:2:p:1000-:d:1026414
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    References listed on IDEAS

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    5. Ammar W Ashor & Jose Lara & Mario Siervo & Carlos Celis-Morales & John C Mathers, 2014. "Effects of Exercise Modalities on Arterial Stiffness and Wave Reflection: A Systematic Review and Meta-Analysis of Randomized Controlled Trials," PLOS ONE, Public Library of Science, vol. 9(10), pages 1-15, October.
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