INS and diabetes mellitus: Respondents on only insulin treatment modality would have an increased knowledge of diabetes by 4.17 (B = 4.17, p = 0.023) while those on combined therapy (both oral hypoglycaemic agent and insulin) would have an increased knowledge of diabetes by 7.26 (B = 7.26, p < 0.001) relative to those on oral hypoglycaemic agent (OHA) treatment modality, holding all other variables constant.