Retention and Acceptability of a Linkage-to-Care Intervention Among Patients with Chronic Conditions in Rural South Africa

The prevalence of chronic conditions such as hypertension, diabetes, and Human Immunodeficiency Virus (HIV) is rising globally, yet access to continuous care remains limited, particularly in rural low- and middle-income countries. This study evaluated the acceptability and psychosocial predictors of retention in a linkage-to-care (LTC) intervention for patients with chronic conditions in rural South Africa. We conducted a cross-sectional analytical study with a retrospective cohort component among 1673 patients diagnosed with hypertension, diabetes, and/or HIV in Limpopo Province, South Africa. Acceptability and psychosocial factors were assessed cross-sectionally using a theory-informed, interviewer-administered questionnaire between January and June 2024. Retention in care over the preceding six months (July–December 2023) was extracted from routine clinic records and classified as consistent (no gaps > 6 months between visits) or inconsistent (≥1 gap > 6 months. Logistic regression examined associations between psychosocial factors and retention outcomes, adjusting for age, gender, marital status, and diagnostic category. Overall, 25.1% of participants maintained consistent retention over six months, while 74.9% were retained inconsistently. Acceptability of the LTC intervention varied significantly by diagnosis (p < 0.001): 79.5% of participants with multimorbidity rated the intervention as acceptable compared to 54.9% with hypertension, 64.5% with diabetes, and 46.8% with HIV. However, only 12.8% of multimorbid participants agreed that intervention activities fit well with their daily lives. In adjusted analyses, participants who were not happy to participate had 85% lower odds of consistent retention (adjusted odds ratio [AOR] = 0.15, 95% CI: 0.09–0.22) and 7.2 times higher odds of inconsistent retention (AOR = 7.2, 95% CI: 4.8–10.9). Most participants supported de-identified data sharing, though privacy concerns were elevated among those with multimorbidity. Acceptability of LTC interventions differs by diagnosis, with multimorbid patients reporting poorer alignment with daily routines. Retention is strongly associated with emotional engagement and self-efficacy, suggesting that LTC interventions should integrate psychosocial support and be contextually adapted for multimorbid patients in rural settings.