<p>A retrospective cohort study was conducted involving 554 HIV clients on ART at Njombe Region enrolled in 2018. Participants were followed for 24 months. Client baseline information on Care and treatment (CTC) visit records were collected from Care and Treatment database version 2 (CTC-2 Database). Cumulative hazard curves were used estimated malnutrition incidences over time and adjusted cox Hazard Ratio at 95% confidence interval (CI) was used for independent predictors of malnutrition.</p>