Table 1. Socio-demographic characteristics of patients.

	n	Mean±SD	Range
Age (year)		62.5+8.5	44-81
Sex
Female	93
Male	16
Body mass index (kg/m2)		33.7+6.0
Work status
Working	7
Housewife or retired	102
Educational status
Illiterate	21
Primary school	76
High school-university	12
SD: Standard deviation.