Table 1. Demographic features.

	GROUP 1 (n=50)	GROUP 2 (n=50)
Sex
Female	34	27
Male	16	23
Avarage age (year)	55.4±7.63	54.7±8.67
Time since the onset of pain (month)	8.34±4.86	6.66±4.91
Occupation
Housewives	18	20
Government employees	6	5
Private sector	12	10
Retirees	14	15

(N=100) Values are mean ± SD