Table 1.

Socio-demographic features of study participants.

-	MDD	Controls	Remarks
Age*(median /range) years	32/18-55	24.50/20-55	Mann Whitney U = 106.500, Z = -2.010, p = 0.044
Gender, n = (male/female)	9/16	3/11	-
Ethnicity, n = Malay/Chinese/Indian	12/8/5	7/3/4	-
Educational status*, n = (basic/tertiary)	14/11	2/12	p = 0.011, OR = 7.632, CI = 1.406-41.488
Family income, n = (low/high)	21/4	9/5	-

Abbreviations: *p £ 0.05, OR = Odds ratio, CI= Confidence interval, MDD = major depressive disorder, control = Healthy non-MDD volunteers.