Characteristics of study nurses
| Intervention (n=658), percentage (n) | Control (n=559), percentage (n) | |
| Gender (percentage male) | 13.5 (87/643) | 12.2 (68/558) |
| Expertise (percentage expert) | 35.1 (224/639) | 30.0 (163/544) |
| Education | ||
| Undergraduate | 45.7 (300/655) | 58.3 (326/559) |
| Bachelor | 48.9 (321/655) | 36.5 (204/559) |
| Master | 5.2 (34/655) | 5.2 (29/559) |
| Age category (years) | ||
| <25 | 5.8 (38/658) | 12.2 (68/559) |
| 25–35 | 27.4 (180/658) | 24.2 (135/559) |
| 35–44 | 37.1 (244/658) | 32.6 (182/559) |
| >44 | 29.8 (196/658) | 31.1 (174/559) |
| Work experience (years) | ||
| <5 | 13.1 (86/658) | 18.8 (103/548) |
| 5–10 | 14.4 (95/658) | 17.5 (96/548) |
| 10–20 | 40.9 (269/658) | 34.9 (191/548) |
| >20 | 31.6 (208/658) | 28.8 (158/548) |
| Country | ||
| Belgium | 60.6 (399/658) | 26.7 (149/559) |
| The Netherlands | 15.3 (101/658) | 55.3 (309/559) |
| Portugal | 4.6 (30/658) | 3.0 (17/559) |
| UK | 19.5 (128/658) | 15.0 (84/559) |