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Psychologically informed reminder messages for promoting BRCA1/2 carrier screening: evidence from a large-scale population-based study.

Tom Mushkat·Rotem Greenberg·Ofer Isakov·Samah Hayek·Hadassah Raskas·Shay Ben-Shachar·Adi Berliner-Senderey
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Abstract

Psychologically Informed Reminder Messages (PIRMs) may promote health-behavior change, but their impact on preventive genetic screening is unclear. Due to low adherence to a screening program, Clalit Health Services initiated an intervention to encourage BRCA1/2 carrier screening in July 2022. This observational study assesses the effectiveness of the intervention in encouraging screening and its spillover effect on related healthcare utilization, focusing on Ashkenazi Jewish females aged 25-50 with no relevant cancer history. Patients were randomly assigned to receive one of five PIRMs. Four PIRMs utilized different psychological strategies, while the fifth served as a control. The effectiveness of the intervention on screening adherence was assessed using a regression discontinuity analysis. A Cox regression assessed the effectiveness of the four PIRMs compared to the control. Spillover effects on healthcare utilization were evaluated using logistic regressions. The intervention showed a positive correlation with increased adherence to screening (β = 0.37, 95% CI: 0.01-0.72). The "Barrier Remover" PIRM emphasized ease (hazards ratio = 1.09, 95% CI: 1.02-1.16), while the "Health Control" PIRM focused on autonomy (hazards ratio = 1.07, 95% CI: 1.01-1.14), both indicating greater effectiveness than the control. The findings suggest a positive short-term spillover effect of the "Health Control" PIRM on healthcare utilization compared to the control (odds ratio = 1.16, 95% CI: 1.04-1.29). PIRMs effectively increased BRCA1/2 carrier screening adherence, demonstrating a scalable, low-cost intervention to improve preventive healthcare uptake. The effect varied by the psychological strategies, highlighting the potential of tailored behavioral interventions to enhance public health.

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HumansFemaleAdultMiddle AgedReminder SystemsGenetic TestingGenetic Carrier ScreeningAdherence InterventionsJewsGenes, BRCA1Genes, BRCA2Breast NeoplasmsJournal ArticleObservational StudyResearch Support, Non-U.S. Gov't

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Tom Mushkat, Rotem Greenberg, Ofer Isakov, Samah Hayek, Hadassah Raskas, Shay Ben-Shachar, Adi Berliner-Senderey. 2026-03-14. Psychologically informed reminder messages for promoting BRCA1/2 carrier screening: evidence from a large-scale population-based study.. https://doi.org/10.1093/eurpub%2Fckag044

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