Table I.

Basic characteristics of patients included in the study

Characteristic	Value for sample	Value for population [11]
Age [years]	33.5 (28.75–42.25)*	40.16***
Male	38 (48.72%)	48.39%
Disease duration [years] from onset	12.28 (SD: 10.17)**	–
Highest educational degree
elementary school	0 (0%)	18%
high school	23 (29.49%)	33%
undergraduate	7 (8.97%)	35%
graduate bachelor's degree	12 (15.39%)	14%
graduate master's degree or higher	36 (46.15%)
Place of living
city	61 (79.22%)	60.34%
village	16 (20.78%)	39.66%
Household members	3 (2–4)*	2.73***

^*Median with the first and the third quartile

^**Mean with standard deviation

^***Mean