Evaluation of community-based health promotion interventions in children and adolescents in high-income countries: a scoping review on strategies and methods used

Table 4 Study designs stratified by evaluation strategies

Evaluation concept		Outcome evaluation	Outcome evaluation incl. process evaluation	Process evaluation
	N	N (%^a)	N (%^b)	N (%^c)
RCT	14	14 (34.2%)	8 (57.1%)	0 (0.0%)
Cluster RCT	4	4 (9.8%)	2 (50.0%)	0 (0.0%)
Quasi-experimental	13	11 (26.8%)	5 (45.5%)	2 (8.3%)
Cohort study	20	7 (17.1%)	3 (42.9%)	13 (54.2%)
Cross-sectional	13	5 (12.2%)	2 (40.0%)	8 (33.3%)
Case study	1	0 (0.0%)	0 (0.0%)	1 (4.2%)

^a n/ number of study designs using strategies of outcome evaluation (N = 41)
^b n/ number of such type of designs (e.g.: 57.1% of RCTs included process evaluation)
^c n/ number of study designs using strategies of process evaluation (N = 24)

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