Fig. 1
Adapted CONSORT flowchart describing recruitment and data collection. Abbreviations: CHC, child healthcare; RCT, randomised controlled trial. a Before the education day but after randomisation, 6 nurses were added from already involved CHC centres, and one other CHC nurse had to withdraw participation (unknown reason). b Before the education day but after randomisation, 2 nurses were added from already involved CHC centres, and 4 nurses from 2 different CHC centres had to withdraw participation (reasons: work circumstances and covid- 19-related circumstances). c Intervention CHC nurses drop-out during implementation period: lack of time/personnel so had to prioritise other tasks (n鈥�= 4); lack of time, stressed (n鈥�= 2); changed workplace (n鈥�= 1); did not see any 5-year-olds during this period (n鈥�= 1). No dropouts of CHC nurses in the control group centres