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. 2011 Aug 24;13(2):91–96.

Table 1. The socio-demographic characteristics of cases and controls.


Controls (n=95) Patients (n=95)
Continuous variable
Age 38.34 ± 9.1 39.28 ± 8.29
Age of onset 22.02 ± 9.047
Discontinuous variable
Female 30 31
Male 65 64
Educational level
Illiteracy 2 14
Primary School 6 55
High School 72 21
College 15 5
Marital Status
Single 24 70
Married 70 17
Divorced 1 8