T0, baseline* (N=79) | T1, end of third year† (N=66) | T2, 1 year after graduation† (N=58) | |||||||
---|---|---|---|---|---|---|---|---|---|
Intervention | Control | Difference | Intervention | Control | Difference | Intervention | Control | Difference | |
N=39 | N=40 | N=33 | N=33 | N=26 | N=32 | ||||
EBM attitude | |||||||||
Validated McColl questionnaire, adjusted for Dutch GP trainees15–17 (score 0–100) | 46.2 (42.9 to 49.6) | 48.4 (45.6 to 51.1) | −2.1 (−6.5 to 2.3) | 52.5 (49.8 to 55.2) | 51.8 (49.1 to 54.4) | 0.8 (−3.1 to 4.6) | 59.5 (56.5 to 62.5) | 58.9 (56.2 to 61.6) | 0.6 (−3.6 to 4.7) |
EBM knowledge | |||||||||
Validated EBM knowledge questionnaire (MF Kortekaas et al, submitted) (score 0–50) | 29.9 (28.8 to 31.0) | 29.7 (28.5 to 30.8) | 0.2 (−1.4 to 1.9) | 29.8 (28.3 to 31.3) | 29.5 (28.0 to 31.0) | 0.3 (−1.8 to 2.4) | 30.3 (28.8 to 31.9) | 29.7 (28.2 to 31.2) | 0.6 (−1.6 to 2.8) |
*Crude data.
†Adjusted for score on national GP knowledge test and repeated measures.
EBM, evidence-based medicine; GP, general practice.