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Table 1 Practice characteristics and the distribution of outcomes at baseline

From: The effectiveness of a semi-tailored facilitator-based intervention to optimise chronic care management in general practice: a stepped-wedge randomised controlled trial

  Intervention group (N = 96) Delayed intervention group (N = 93) P-value
Practice characteristics (Regional registry data)
Type of practice    0.7605
   Solo 64% 67%  
   Others 36% 33%
Ratio of doctors to patients (median (IQR)) 1513 (1245-1768) 1503 (1078-1730) 0.1979
Proportion of practices with nurses 77% 70% 0.3227
Primary outcome measures (The Danish National Health Service Register)    
Annual chronic disease check-ups per 100 patients affiliated with the practice N = 96/93 (median (IQR)) 1.1 (0.4-2.4) 1.1 (0.3-2.3) 0.8372
Secondary outcome measures
Number of practices with less than 1% annual chronic disease check-ups N = 96/93 (The Danish National Health Service Register) 47% 47% 1.00
Spirometry test per 100 patients affiliated with the practice N = 96/93 (The Danish National Health Service Register) (median (IQR)) 0.66 (0.2-1.1) 0.5 (0.1-1.0) 0.7156
Annual check-ups for Diabetes N = 9 6/93 (Questionnaires)    0.8185
   Yes – always 84% 87%  
   Yes – sometimes 10% 8%  
   No 5% 5%  
Annual check-ups for COPD N = 96/93 (Questionnaires)    0.6900
   Yes – always 30% 30%  
   Yes – sometimes 53% 48%  
   No 17% 22%  
Sign-up for the Sentinel Data Capture N = 96/93 (Regional registry data (DAK-E)) 25% 22% 0.6085
ICPC diagnosis coding – Diabetes N = 96/93 (Questionnaires)    0.2391
   Yes – always 48% 40%  
   Yes – sometimes 34% 32%
   No 17% 28%
ICPC diagnosis coding – COPD N = 96/93 (Questionnaires)    0.1311
   Yes – always 35% 26%  
   Yes – sometimes 42% 39%  
   No 23% 35%  
Stratification – Diabetes N = 96/93 (Questionnaires)    0.3283
   Yes – always 14% 22%  
   Yes – sometimes 36% 35%  
   No 50% 43%  
Stratification – COPD N = 96/93 (Questionnaires)    0.9324
   Yes – always 10% 11%  
   Yes – sometimes 36% 33%
   No 53% 56%  
  1. The N at each outcome measure shows the number of practices in the analysis for the intervention/delayed intervention group.