“…To date, numerous studies related to factors associated with mental health illness, especially depression have been conducted in Malaysia. The studies found that mental illness was significantly associated with income, 7-11 age, 8,11-16 gender, 7-9,13,15,16 ethnicity, 11,17 education, 7,11,18,19 marital status, 7,8,14-17,20 employment status, 11,14,15,18 smoking, 19 and health status. 12,15 In the present study, we extended the analysis of previous studies by using a better statistical model, that is, bivariate probit model, to examine mental illness.…”