Key Message
The development of an assessment instrument for behavior toward hypoglycemia risk among type 2 diabetes mellitus outpatients in Jakarta, Indonesia have been carried out. The instrument contains 9 domains, included behavior toward blood glucose monitoring, diet, physical activity, medication, assistance from healthcare providers, hypoglycemia management, self-care, family support, and insulin use. Poor behavior was found to increase the risk of hypoglycemia by 2.36 times. The instrument developed is valid and reliable.