Table 2.

Demographic characteristics.

Characteristic	Control (n = 64)	GCBT (n = 64)	P
Age (years)			.235
Mean ± SD	48.7 ± 16.8	49.5 ± 15.2
Range	18–74	16–75
Addiction time (years)	9.75 ± 2.26	10.25 ± 2.65	.325
Marital status			.474
Married	52 (81.3%)	48 (75.0%)
Single	10 (15.6%)	15 (23.4%)
Divorced	2 (3.1%)	1 (1.6%)
Hospitalized times	4.01 ± 1.26	3.96 ± 1.43	.235
Drinking time	18.1 ± 4.97	17.26 ± 5.31	.481

The data were expressed as mean ± SD or number (%).

GCBT = group cognitive behavioral therapy, SD = standard deviation.