Table 5.

Explorative regression analyses for the primary outcome perceived stress (post-intervention)

Predictor	B	SE (95% CI)	Z	P-value	Beta
Simple regression analyses
Age (years)	0.00	0.01 (-0.01; 0.03)	0.29	0.769	0.09
Females (%)	0.46	0.02 (0.06; 0.85)	2.25	0.024	0.59
Type of population (1 = others, 2 = patients)	0.3	0.15 (-0.01; 0.61)	1.92	0.055	0.38
Intervention duration (weeks)	0.02	0.03 (-0.04; 0.07)	0.61	0.545	0.18
Sample Size (0 =  < 100; 1 =  >  = 100)	0.61	0.17 (0.28; 0.95)	3.60	< 0.001	0.73
Multiple regression analyses
Intercept	-0.19	0.55 (-1.27; 0.88)	-0.35	0.724	0.00
Sample Size (0 =  < 100; 1 =  >  = 100)	0.53	0.21 (0.11; 0.96)	2.50	0.013	0.63
Females (%)	-0.01	0.01 (-0.02; 0.0)	-1.34	0.182	-0.28
Type of population (1 = others, 2 = patients)	-0.01	0.17 (-0.33; 0.32)	-0.04	0.970	-0.01