63.5% of patients with diabetes delitus (DM) in Indonesia experienced complications of peripheral neuropathy, a peripheral nerve disorder that arises due to DM after eliminating other causes and can affect sensory, motor, and autonomic nerves. In this context, self-efficacy is an important concept because it reflects the confidence of DM patients in their ability to perform consistent self-management to keep blood sugar levels in a normal condition. This study aimed to determine the association between self-efficacy and peripheral neuropathy among patients with type 2 diabetes mellitus. A quantitative cross-sectional study was conducted involving 132 patients with diabetes mellitus selected through purposive sampling. Self-efficacy was assessed using the DSMES (Diabetes Management Self-Efficacy Scale) questionnaire, while peripheral neuropathy screening was performed using the Ipswich Touch Test. Data were analyzed using Kendall’s tau. The results showed that 54.5% of respondents had moderate self-efficacy and 58.3% experienced peripheral neuropathy. Bivariate analysis showed a statistically significant association (p = 0.001). Self-efficacy showed a positive correlation of moderate strength with peripheral neuropathy among patients with diabetes mellitus.
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