All type 1 diabetes participants reported taking insulin (without secretagogues); among participants with type 2 diabetes, 248 (36.5%) reported taking insulin (without secretagogues), 223 (32.8%) secretagogues (without insulin), 155 (22.8%) a combination of insulin and secretagogues and 53 (7.8%) neither insulin nor secretagogues. The gene discussed is INS; the disease is type 1 diabetes mellitus.