Table 2

Comparison of the ORs and 95% CIs of scoring 1 or 2 rather than 0 points in the two intervention arms (case methods, CM; traditional lectures, TL) and the reference group (no continuing medical education) 12 months after the intervention

QuestionOR
CM and TL vs reference group
(95% CI)
CM vs TL
(95% CI)
CMTLReference groupCMTL
1. Diagnostic procedures0.55 (0.22 to 1.40)0.55 (0.21 to 1.42)11.00 (0.43 to 2.31)1
2. Spirometry interpretation1.29 (0.53 to 3.10)0.61 (0.24 to 1.55)12.10 (0.90 to 4.95)1
3. Smoking cessation (unmotivated patients)NA*
4. Acute exacerbation (treatment)1.40 (0.57 to 3.45)0.77 (0.31 to 1.96)11.81 (0.77 to 4.24)1
5. Acute exacerbation (follow-up)NA†
6. Smoking cessation (motivated patients)0.41 (0.14 to 1.24)1.35 (0.39 to 4.69)10.30 (0.10 to 0.88)1
7. Maintenance treatment1.04 (0.42 to 2.54)0.72 (0.30 to 1.74)11.44 (0.63 to 3.29)1
8. Comorbidity: heart failure2.46 (0.79 to 7.66)1.70 (0.61 to 4.95)11.45 (0.57 to 3.67)1
9. Follow-up (stable patients)2.37 (0.96 to 5.86)4.48 (1.51 to 13.3)10.53 (0.20 to 1.40)1
10. Interprofessional interventions1.82 (0.59 to 5.61)1.42 (0.45 to 4.49)11.29 (0.50 to 3.31)1
11. Suspected respiratory failure1.51 (0.62 to 3.72)0.97 (0.39 to 2.41)11.57 (0.68 to 3.62)1
12. Multimorbidity, no airway symptoms1.36 (0.54 to 3.40)0.97 (0.39 to 2.43)11.39 (0.60 to 3.24)1
13. Multimorbidity, airway symptoms1.34 (0.53 to 3.37)2.64 (1.06 to 6.60)10.51 (0.22 to 1.15)1
  • All measures are adjusted for clusters (primary healthcare centres) and total scores at baseline.

  • *OR not applicable because there was no convergence in the model.

  • †OR not applicable because the model was questionable.

  • NA, not applicable.