Table 3.

Demographic data of the control group and experimental group.

Variable	Overall	experimental group	Control group	t/z	P
Age (years, $\overline{x}$ ± s)	47.65 ± 12.56	47.16 ± 11.99	48.13 ± 13.29	0.301	0.764
Is there any religious belief?				1.072	0.283
No	53	25	28
Yes	9	6	3
Marital status				−0.389	0.697
Unmarried	40	19	21
Married	12	7	5
Divorced	5	3	2
Widowed	5	2	3
First-episode schizophrenia				1.026	0.305
Yes	4	1	3
No	58	30	28
Disease duration (years, $\overline{x}$ ± s)	23.38 ± 13.10	22.61 ± 13.11	24.16 ± 13.25	0.462	0.645
Number of hospitalizations in the past 2 years	1.15 ± 1.05	1.03 ± 0.19	1.09 ± 0.20	0.599	0.551
Length of hospital stay (months, $\overline{x}$ ± s)	7.27 ± 4.04	7.74 ± 0.79	6.81 ± 0.66	0.911	0.366
Score on the Brief Psychiatric Rating Scale ($\overline{x}$± s)	31.89 ± 2.48	31.90 ± 3.07	31.87 ± 3.14	0.51	0.960