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August 4, 2022Archives of Public HealthOpen Access

Living labs for a mobile app-based health program: effectiveness of a 24-week walking intervention for cardiovascular disease risk reduction among female Korean-Chinese migrant workers: a randomized controlled trial

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Key result

An enhanced mobile app-based walking intervention incorporating social-cognitive strategies significantly reduced the 10-year risk of cardiovascular disease (B -0.521, P < 0.001) at 12 weeks compared to standard treatment in female Korean-Chinese migrant workers.

Why the study?

Immigrant populations tend to be vulnerable to environmental factors influencing CVD risk, but the effectiveness of mobile app-based walking programs addressing social-cognitive determinants in this population was unknown.

Does a 24-week mobile app-based walking intervention enhanced with social-cognitive determinants reduce 10-year cardiovascular disease risk in female Korean-Chinese migrant workers?

Comparison

Enhanced treatment vs standard treatment

Design

Parallel randomized controlled trial

Follow-up

24 weeks

Authors

YKYoulim KimHLHyeonkyeong LeeMCMisook L. Chung

Discussion

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Overview

Supports mobile app interventions with social-cognitive strategies for CVD risk reduction in migrant workers; extends prior walking trials to this population.

Study Design

Type

RCT (n=50)

Blinding

Single-blind

Randomization

Random Allocation Software

Multicenter

No

Structured PICO

Does a 24-week mobile app-based walking intervention enhanced with social-cognitive determinants reduce 10-year cardiovascular disease risk in female Korean-Chinese migrant workers?

P
Population
50 female Korean-Chinese migrant workers aged 40-65 years, with a full-time job, smartphone users, who did not exercise regularly (less than 30 mins/day, 3 days/week).
I
Intervention
Enhanced treatment (ET): 24-week walking program using a Fitbit Alta and mobile app, instructed to walk at least 30 minutes five times a week at moderate intensity. Included a 12-week adaptation period with social-cognitive interventions (self-efficacy text messages, social support, photovoice) followed by a 12-week maintenance period.
C
Comparator
Standard treatment (ST): 24-week walking program using a Fitbit Alta and mobile app, instructed to walk at least 30 minutes five times a week at moderate intensity, without the enhanced social-cognitive interventions.
O
Outcome
10-year atherosclerotic cardiovascular disease (ASCVD) risk score at 12 and 24 weeks.surrogate

Main Result

Effect estimate: B -0.521

p-value: p=<0.001

A 24-week mobile app-based walking intervention enhanced with social-cognitive strategies significantly reduced 10-year CVD risk and improved lipid profiles in female Korean-Chinese migrant workers compared to standard walking tracking.

Limitations

  • High dropout rate in the initial phase of the study before baseline assessment.
  • Did not confirm the improvement level in health outcomes according to the increase in social-cognitive determinants.
  • Did not collect data on participants' health outcome expectations or provide financial or motivational incentives during the adaptation period.
  • Convenience sampling of migrant women who verbally expressed intention to participate may limit generalizability.
  • Small sample size
  • High dropout rate before baseline assessment
  • Need for long-term studies to confirm direct and indirect effects of social-cognitive determinants

Cite This Study

Kim et al. (2022) conducted an RCT in Cardiovascular disease risk (n=50). Enhanced mobile app-based walking intervention vs. Standard mobile app-based walking intervention was evaluated on 10-year ASCVD risk score at 12 weeks (B -0.521, p=<0.001). An enhanced mobile app-based walking intervention incorporating social-cognitive strategies significantly reduced the 10-year risk of cardiovascular disease (B -0.521, P < 0.001) at 12 weeks compared to standard treatment in female Korean-Chinese migrant workers.

synapsesocial.com/papers/6a19f8f93f3ec013f0df510fhttps://doi.org/10.1186/s13690-022-00941-z
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