- 1 The questionnaire including the full statements on the conditions for implementation is available in Supplementary file 2
- 2 There was a negative correlation between identified as suboptimal and conditions identified as important: Pearson’s r = -.40; p = .005
- 3
= Shaded cells including one or more characters (B, EPB or UPB) indicate the presence of a bottleneck;
= Unshaded cells that are empty or include UAB indicate the absence of a bottleneck
- 4 B = Bottleneck
- 5 S1-S9 = Frequent intervention systems (characterized in Supplementary file 1)
- 6 Comparison of the stratified analyses: bottlenecks being present in a frequent intervention system compared to those present in all systems sharing one of the frequent system’s characteristics
- 7 EPB = ‘Expectedly present bottleneck’ (i.e. present both for in a frequent intervention system and in all intervention systems sharing one of the frequent system’s characteristics)
- 8 UPB = ‘Unexpectedly present bottleneck’ (i.e. present for in a frequent intervention system, but not in all interventions that share one of the frequent system’s characteristics)
- 9 UAB = ‘Unexpectedly absent bottleneck’ (i.e. not present in an intervention system, but present in all interventions sharing one of the frequent system’s characteristics)
= Shaded cells including one or more characters (B, EPB or UPB) indicate the presence of a bottleneck;
= Unshaded cells that are empty or include UAB indicate the absence of a bottleneck