Table 3.

Sociodemographic characteristics of participants.

Variables		Women (n=10)	Men (n=10)	Total (n=20)
Age in years, median (range)		67.0 (36-74)	65.5 (50-72)	66.5 (36-74)
Marital status, n (%)
	Single	0 (0)	0 (0)	0 (0)
	Married or free union	7 (70)	8 (80)	15 (75)
	Separated/divorced/widowed	3 (30)	2 (20)	5 (25)
Living arrangements, n (%)
	Lives with spouse (with or without children)	2 (20)	2 (20)	4 (20)
	Lives with family member or friend	5 (50)	6 (60)	11 (55)
	Lives alone	3 (30)	2 (20)	5 (25)
Education level, n (%)
	Elementary school	1 (10)	0 (0)	1 (5)
	Middle school	5 (50)	2 (20)	7 (35)
	High school	2 (20)	1 (10)	3 (15)
	University	2 (20)	7 (70)	9 (45)
Employment status, n (%)
	Full time/part time	2 (20)	6 (60)	8 (40)
	Retired	8 (80)	4 (40)	12 (60)
Presence of chronic pain, n (%)		4 (40)	5 (50)	9 (45)
Duration of chronic pain in months, median (range)		156.0 (72-360)	36.0 (12-240)	72.0 (12-360)
Type of surgery, n (%)
	CABG	8 (80)	8 (80)	16 (80)
	Valve replacement (VR)	1 (10)	2 (20)	3 (15)
	CABG + VR	1 (10)	0 (0)	1 (5)