Table 2.

Total score practical skills in BLS, 6 months after training

	Unadjusted				Adjusted#
	lsmeans ± stderr*	95% CI**	p**	Effect size‘**’	lsmeans ± stderr*	95% CI**	p**	Effect size‘**’
Intervention
1	57.0 ± 0.53	− 1.4 to 3.0	0.95	0.16	55.7 ± 0.51	− 2.1 to 1.9	1.00	− 0.03
2	58.0 ± 0.54	− 0.5 to 4.0	0.20	0.24	56.9 ± 0.51	− 1.1 to 3.0	0.77	0.19
3	58.3 ± 0.54	− 0.1 to 4.3	0.08	0.39	57.1 ± 0.51	− 0.8 to 3.3	0.50	0.23
4	58.9 ± 0.55	0.5 to 5.0	0.008	0.53	57.6 ± 0.52	− 0.3 to 3.8	0.15	0.34
5	57.5 ± 0.53	− 0.9 to 3.5	0.52	0.25	56.8 ± 0.52	− 1.1 to 2.9	0.85	0.17
6	57.8 ± 0.53	− 0.6 to 3.8	0.29	0.31	56.4 ± 0.51	− 1.5 to 2.6	1.00	0.11
7	58.2 ± 0.49	− 0.1 to 4.2	0.07	0.38	57.1 ± 0.47	− 0.7 to 3.2	0.40	0.24
8	58.8 ± 0.56	0.4 to 4.9	0.01	0.50	57.9 ± 0.54	− 0.1 to 4.1	0.07	0.38
10	59.0 ± 0.62	0.4 to 5.2	0.01	0.51	58.1 ± 0.58	0.1 to 4.4	0.03	0.42
11	59.0 ± 0.57	0.5 to 5.1	0.008	0.51	58.5 ± 0.55	0.5 to 4.7	0.006	0.48
12	58.4 ± 0.53	− 0.0 to 4.4	0.05	0.40	57.4 ± 0.51	− 0.5 to 3.5	0.24	0.28
13	58.1 ± 0.54	− 0.3 to 4.2	0.14	0.34	57.6 ± 0.52	− 0.3 to 3.7	0.16	0.31
14	59.2 ± 0.54	0.7 to 5.2	0.003	0.58	58.1 ± 0.52	0.2 to 4.3	0.02	0.44
15	58.5 ± 0.49	0.2 to 4.5	0.03	0.44	57.5 ± 0.50	− 0.3 to 3.6	0.17	0.31
16	60.0 ± 0.55	1.5 to 6.0	< 0.0001	0.72	58.8 ± 0.54	0.9 to 5.0	0.001	0.56
9 control	56.2 ± 0.57	-	-	-	55.9 ± 0.54	-	-	-

^#Adjusted for age, mother tongue, educational level, previous cardiopulmonary resuscitation (CPR) training, gender, body mass index (BMI), occupation and previous automated external defibrillation (AED) use training. *Least square means with corresponding standard errors. CI, confidence interval; p, p values below 0.05 were considered statistically significant. **For comparison with the control group. ‘**’Standardised effect size (Cohen’s d) for comparison with control group 9 (all interventions included)