Table 5.

Comparison of two groups of patients on decisional balance, the process of change, self-efficacy and depression after intervention

Items	Analysis of covariance				Adjusted mean (95%CI)
	Intervention (n = 48) ($\overline{\mathrm{X}}$ ± s)	Control (n = 55) ($\overline{\mathrm{X}}$ ± s)	F (df)	P	Intervention (n = 48)	Control (n = 55)
Decisional balance
Perceived benefits	10.19 ± 2.10	8.73 ± 1.13	33.641 (1.000)	0.000**	10.20 (9.83, 10.57)	8.71 (8.37, 9.06)
Perceived barriers	6.58 ± 1.30	7.93 ± 1.12	18.995 (1.000)	0.000**	6.75 (6.42,7.09)	7.78 (7.47, 8.09)
Process of change
Cognitive level	33.94 ± 5.57	29.35 ± 3.09	67.769 (1.000)	0.000**	34.52 (33.53, 35.51)	28.84 (27.91, 29.76)
Behavioral level	34.44 ± 5.01	32.78 ± 2.87	42.466 (1.000)	0.000**	34.47 (35.37, 37.56)	31.01 (30.00, 32.01)
Self-efficacy	12.06 ± 2.40	10.47 ± 1.57	15.443 (1.000)	0.000**	12.00 (12.46, 12.54)	10.53 (10.02, 11.03)
Depression	18.46 ± 3.36	20.85 ± 2.28	25.515 (1.000)	0.000**	18.30 (17.53,19.07)	20.99 (20.28,21.71)

**p < 0.01