Journal of general internal medicine · 2026
Impact of Text Message Reminders on Attendance at a Health Center-Based Produce Market: A Quasi-Experimental Study.
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Desrochers Ollie, Wang Biqi, Burgun Rachel, Rudel Rebecca K, Lichkus Jonathan, Fiechtner Lauren, Byhoff Elena
Аннотация
BACKGROUND: Food insecurity is associated with adverse health outcomes and disproportionately affects low-income and minoritized communities. Mobile produce markets co-located within healthcare settings have emerged as a promising strategy to reduce food insecurity, but sustained program engagement remains a challenge.
OBJECTIVE: To evaluate the impact of bilingual text message reminders on attendance at a health center-based produce market.
DESIGN: A quasi-experimental study using interrupted time series analysis of aggregate attendance data from March 2021 to 2024.
PARTICIPANTS: Patients of a federally qualified health center with access to an on-site mobile produce market.
INTERVENTION: Monthly bilingual text message reminders about the produce market, initiated in April 2024.
MAIN MEASURES: Change in monthly market attendance and predictors of delayed reattendance (≥ 3 months). Logistic regression models adjusted for time-in-sample were used to estimate associations.
KEY RESULTS: Text message reminders were associated with a sustained increase in attendance (+ 80.7 individuals/month; 95% CI, 42.5-119.0). Among 2597 individuals with a ≥ 3-month gap or no return, reattendance was less likely among men (adjusted odds ratio [aOR] 0.74; 95% CI, 0.59-0.92), Medicaid enrollees (aOR 0.67; 95% CI, 0.51-0.88), and uninsured individuals (aOR 0.53; 95% CI, 0.40-0.70).
CONCLUSIONS: Text message outreach was associated with increased participation in a health center-based food access program. However, disparities in reattendance by insurance status suggest that text-based interventions may reinforce existing inequities, highlighting the need for multimodal outreach strategies or options for home delivery.
OBJECTIVE: To evaluate the impact of bilingual text message reminders on attendance at a health center-based produce market.
DESIGN: A quasi-experimental study using interrupted time series analysis of aggregate attendance data from March 2021 to 2024.
PARTICIPANTS: Patients of a federally qualified health center with access to an on-site mobile produce market.
INTERVENTION: Monthly bilingual text message reminders about the produce market, initiated in April 2024.
MAIN MEASURES: Change in monthly market attendance and predictors of delayed reattendance (≥ 3 months). Logistic regression models adjusted for time-in-sample were used to estimate associations.
KEY RESULTS: Text message reminders were associated with a sustained increase in attendance (+ 80.7 individuals/month; 95% CI, 42.5-119.0). Among 2597 individuals with a ≥ 3-month gap or no return, reattendance was less likely among men (adjusted odds ratio [aOR] 0.74; 95% CI, 0.59-0.92), Medicaid enrollees (aOR 0.67; 95% CI, 0.51-0.88), and uninsured individuals (aOR 0.53; 95% CI, 0.40-0.70).
CONCLUSIONS: Text message outreach was associated with increased participation in a health center-based food access program. However, disparities in reattendance by insurance status suggest that text-based interventions may reinforce existing inequities, highlighting the need for multimodal outreach strategies or options for home delivery.