ArticleJournal of multidisciplinary healthcare2026
Effectiveness of a Chatbot-Based Hypertension Management Program on Selected Outcomes Among Community-Dwelling Older Adults: A Quasi-Experimental Study.
Article in Journal of multidisciplinary healthcare, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
Aim: Hypertension remains poorly controlled among older adults because self-care support between outpatient visits is rarely sustained. This study evaluated the effectiveness of a chatbot-based hypertension management program on knowledge, health behaviors, medication adherence, blood pressure control, and selected biomarkers among community-dwelling older adults with hypertension. Design: Quasi-experimental study. Methods: A two-group pretest-posttest design was conducted in two healthcare settings: the experimental group was recruited from a tertiary hospital outpatient department and the control group from a primary care health promoting hospital. Sixty-eight participants were recruited using consecutive sampling and assigned to an experimental group (n = 34) or a control group (n = 34). The experimental group received a 12-week chatbot-based program combining education, behavioral monitoring, and lifestyle counseling. The control group received usual care using a hypertension education manual. Outcomes were assessed at baseline and after 12 weeks. Results: The experimental group showed improvements in hypertension-related knowledge, health behaviors, medication adherence, and blood pressure control. The control group showed no improvement in systolic and a rise in diastolic blood pressure. After adjustment for baseline values and for the demographic characteristics that differed at baseline, the experimental group demonstrated better knowledge (p = 0.002), health behaviors (p = 0.018), medication adherence (p< 0.001) and blood pressure control than the control group (adjusted systolic 127.43 compared to 135.80 mmHg, p = 0.009; adjusted diastolic 69.61 compared to 80.36 mmHg, p< 0.001). No significant adjusted between-group differences in biomarkers were observed. Conclusion: A chatbot-supported hypertension management program was associated with better self-management and blood pressure control among community-dwelling older adults, although the non-randomized design and recruitment from different settings mean that the findings are preliminary. Longer follow-up is needed to determine effects on biological indicators. Randomized designs are recommended in future studies to strengthen the generalizability of the findings.
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