Table 1.

Summary of differences between groups on measures of mental well-being

Scale	Author (total sample size; treatment vs. control)	Difference*	95% CI
Beck Depression Inventory	Jorde et al. [63] (69; 36 vs. 33)	1.00*	− 0.80 to 2.80
	Najafi et al. [70] (60; 30 vs. 30)	0.51*	− 4.74 to 5.76
	Reuters et al. [72] (57; 25 vs. 32)	− 0.30**	− 3.12 to 2.52
Hamilton Scale for Anxiety	Reuters et al. [72] (57; 25 vs. 32)	0.50**	− 2.81 to 3.81
Hamilton Scale for Depression	Reuters et al. [72] (57; 25 vs. 32)	− 1.00**	− 2.49 to 0.49
Hospital Anxiety and Depression Scale	Parle et al. [71] (85; 49 vs. 36)	0.30*	− 0.86 to 1.46

*Value is the difference in mean scores at final follow-up between treatment and control groups

**Value is the difference in mean variation scores from baseline to follow-up between treatment and control group