Diabetic foot is an infection, ulceration or destruction of the tissue of the foot of a person diagnosed with diabetes mellitus (DM). Diabetic foot ulcer (DFU) is a major and preventable complication of DM. Adequate knowledge and foot self-care practices are crucial to reduce the risk of DFU complications, particularly in resource-limited healthcare settings.

To assess the knowledge and practices related to foot self-care and associated factors among individuals diagnosed with diabetes attending diabetic clinics at all base hospitals in Colombo District, Sri Lanka.

An analytical cross-sectional study was conducted among 423 individuals diagnosed with diabetes attending the diabetic clinic at all three base hospitals in Colombo district, from January 2023 to March 2024 (study period). Participants were selected by using a systematic random sampling. Data were collected using a validated and pre-tested interviewer-administered questionnaire. Descriptive and inferential analyses were performed using Statistical Packages for Social Sciences V.26 software. Associations were examined using ² tests, independent sample t-tests and one-way ANOVA (Analysis of Variance), with a p value

The majority of the participants were females (71.2%). Among the participants, 33.8% of them had a poor level of knowledge regarding foot self-care. Knowledge level was significantly associated with the participants’ family history of diabetes and the hospital where they attended the clinic (p

Nearly one-third of participants demonstrated poor knowledge of foot self-care, despite over half exhibiting satisfactory foot-care practices. This gap highlights the need for targeted education to boost awareness and promote consistent foot care, which is a key step in preventing diabetic foot complications and improving long-term outcomes for individuals diagnosed with diabetes.