Table 4.

Comparison of the total score of SDS and the scores of each dimension.

Outcome variable  SDS		Comparison before and after treatment within groups at each time point						Comparison between groups at each time point
		BSSG (n=39)			BSSG-P (n=39)
		$\stackrel{-}{x}\pm s$	t/z	P	$\stackrel{-}{x}\pm s$	t/z	P	t/z	P
Total	Baseline	51.62±6.28		<0.01	52.35±6.45
	4 weeks	42.90±5.92	8.73	<0.01	41.65±6.23	9.50	<0.01	0.80	0.43
	8 weeks	42.10±6.42	8.24	<0.01	37.48±6.02	12.42	<0.01	2.88	0.01
	12 weeks	43.52±6.46	4.12	<0.01#	38.52±6.18	11.37	<0.01	3.07	<0.01
Anxiety	Baseline	20.39±2.50			19.94±2.72
	4 weeks	17.10±3.35	3.96	<0.01#	15.75±3.12	6.74	<0.01	1.65	0.10
	8 weeks	16.71±3.00	7.20	<0.01	14.06±2.26	10.84	<0.01	3.96	<0.01
	12 weeks	17.23±2.18	6.44	<0.01	14.84±2.42	8.69	<0.01	3.50	<0.01
Self-loss	Baseline	11.19±3.02			11.47±3.36
	4 weeks	9.13±2.92	4.69	<0.01	9.16±2.90	4.73	<0.01	0.00	1.00#
	8 weeks	8.94±2.86	4.80	<0.01	8.19±2.57	5.54	<0.01	1.20	0.23#
	12 weeks	9.55±2.59	3.84	<0.01	7.94±2.17	6.05	<0.01	2.36	0.02
Motivation lack	Baseline	12.45±1.59			12.41±2.11
	4 weeks	8.29±1.51	6.50	<0.01#	8.09±1.33	6.07	<0.01#	0.63	0.53#
	8 weeks	11.13±3.49	4.08	<0.01#	9.47±1.83	6.75	<0.01#	2.34	0.02#
	12 weeks	11.29±4.10	3.19	<0.01#	10.75±5.55	4.32	<0.01#	1.72	0.08
Physiological	Baseline	8.90±1.81			9.34±2.09
	4 weeks	7.00±1.73	5.08	<0.01	6.66±1.62	4.83	<0.01#	0.81	0.42
	8 weeks	6.94±1.93	4.98	<0.01	6.31±1.60	5.26	<0.01#	1.30	0.19#
	12 weeks	7.45±2.08	2.63	<0.01#	6.66±1.49	4.94	<0.01#	1.66	0.10

Data were expressed as mean. ^# is the rank sum test, and the statistical value is Z value.