Table 1

The demographic characteristics of under study sample

Variables
No (%) (n = 4020)

Gender

female
2523(63.05)
male
1485(36.94)

Socio-economic class (score)

high-class (19–25)
19(0.47)
middle-class (12–18)
670(16.66)
low-class (5–11)
3331(82.86)

Marital status

single
1478(36.76)
married
2403(59.77)
others*
139(3.64)

Educational level

illiterate/elementary school
618(15.37)
guidance/high-school
1143(28.43)
diploma/associate degrees
1772(44.07)
bachelor/higher
487(12.1)

Age (yrs)

15–30
2117(58.65)
31–39
840(20.39)
over 40
1083(26.93)

*others: divorced, widow, widower.

Modabernia et al. Clinical Practice and Epidemiology in Mental Health 2008 4:20   doi:10.1186/1745-0179-4-20