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Background <p>Antiretroviral therapy (ART) has significantly improved outcomes for people living with HIV (PLHIV) globally. However, loss to follow-up (LTFU) remains a major barrier to the effectiveness of ART programs, particularly in resource-limited settings. In Ethiopia, LTFU contributes substantially to patient attrition, yet data from high-burden zones like Guji remain limited. Therefore, this study aimed to determine the incidence rate and identify predictors of loss to follow-up among HIV-infected adults receiving ART at public health facilities in Guji zone, Southern Ethiopia, 2023.</p> Methods <p>An institution-based retrospective cohort study was conducted among 434 HIV-positive adults who initiated ART between July 2018 and June 2022 at public health facilities in Guji zone. Participants were selected using simple random sampling. Data were extracted from medical records using a structured checklist and entered into Epi Data 4.6.2. Analysis was performed using SPSS 25 and STATA 14. The incidence rate of LTFU (defined as &gt;30 days since last scheduled appointment date and has not been classified as “dead” or “transferring out) was calculated per 100 person-years. Bivariable and multivariable Cox proportional hazards regression were used to identify predictors of LTFU. Adjusted hazard ratios (AHR) with 95% confidence intervals and <i>p</i>-values &lt; 0.05 were considered statistically significant.</p> Result <p>Among 434 participants (60% female) followed for 904.35 person-years, 135 (31.1%) were lost to follow-up, yielding an incidence rate of 14.93 per 100 person-years. Factors significantly associated with higher LTFU risk were: male sex (AHR = 1.85, 95%CI: 1.27–2.69), age 15–30 years (AHR = 2.40, 95%CI: 1.58–3.64), female sex work (AHR = 3.26, 95%CI: 1.39–7.65), daily labor/mobile work (AHR = 1.91, 95%CI: 1.16–3.16), and no formal education (AHR = 2.20, 95%CI: 1.52–3.20). Protective factors associated with lower LTFU risk were: residing in the same woreda as the health facility (AHR = 0.55, 95%CI: 0.38–0.82) and having a documented phone number (AHR = 0.46, 95%CI: 0.31–0.67).</p> Conclusion <p>The incidence of LTFU among adults on ART in Guji zone was high, particularly during the first year of treatment. Male sex, younger age, lack of formal education, female sex work, and daily labor were associated with increased LTFU risk, while residing in the same woreda as the health facility and having documented phone numbers were protective. Targeted interventions including enhanced counseling for high-risk groups, community-based ART refill models, and active phone-based tracking systems should be implemented to improve retention.</p>

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Incidence and predictors of loss to follow-up among HIV infected adults on antiretroviral therapy in Guji Zone, Southern Ethiopia, 2023

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  • 发表日期：

    2026年7月9日

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  • Dereje Girma,
  • Gemechis Tuke,
  • Zelalem Jebessa,
  • Kebebew Lemma,
  • Azmach Habtegiorgis,
  • Ashenafi Lemesa,
  • Alo Edin

摘要

Background

Antiretroviral therapy (ART) has significantly improved outcomes for people living with HIV (PLHIV) globally. However, loss to follow-up (LTFU) remains a major barrier to the effectiveness of ART programs, particularly in resource-limited settings. In Ethiopia, LTFU contributes substantially to patient attrition, yet data from high-burden zones like Guji remain limited. Therefore, this study aimed to determine the incidence rate and identify predictors of loss to follow-up among HIV-infected adults receiving ART at public health facilities in Guji zone, Southern Ethiopia, 2023.

Methods

An institution-based retrospective cohort study was conducted among 434 HIV-positive adults who initiated ART between July 2018 and June 2022 at public health facilities in Guji zone. Participants were selected using simple random sampling. Data were extracted from medical records using a structured checklist and entered into Epi Data 4.6.2. Analysis was performed using SPSS 25 and STATA 14. The incidence rate of LTFU (defined as >30 days since last scheduled appointment date and has not been classified as “dead” or “transferring out) was calculated per 100 person-years. Bivariable and multivariable Cox proportional hazards regression were used to identify predictors of LTFU. Adjusted hazard ratios (AHR) with 95% confidence intervals and p-values < 0.05 were considered statistically significant.

Result

Among 434 participants (60% female) followed for 904.35 person-years, 135 (31.1%) were lost to follow-up, yielding an incidence rate of 14.93 per 100 person-years. Factors significantly associated with higher LTFU risk were: male sex (AHR = 1.85, 95%CI: 1.27–2.69), age 15–30 years (AHR = 2.40, 95%CI: 1.58–3.64), female sex work (AHR = 3.26, 95%CI: 1.39–7.65), daily labor/mobile work (AHR = 1.91, 95%CI: 1.16–3.16), and no formal education (AHR = 2.20, 95%CI: 1.52–3.20). Protective factors associated with lower LTFU risk were: residing in the same woreda as the health facility (AHR = 0.55, 95%CI: 0.38–0.82) and having a documented phone number (AHR = 0.46, 95%CI: 0.31–0.67).

Conclusion

The incidence of LTFU among adults on ART in Guji zone was high, particularly during the first year of treatment. Male sex, younger age, lack of formal education, female sex work, and daily labor were associated with increased LTFU risk, while residing in the same woreda as the health facility and having documented phone numbers were protective. Targeted interventions including enhanced counseling for high-risk groups, community-based ART refill models, and active phone-based tracking systems should be implemented to improve retention.