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Table 3 Independent predictors of 3-year Quality and Outcomes Framework indicators for informed dissent

From: Incentivised chronic disease management and the inverse equity hypothesis: findings from a longitudinal analysis of Scottish primary care practice-level data

Predictor   Univariate (odds ratios) Best fit (odds ratios)
Estimated (95% CI), P value Overall P value Estimated (95% CI), P value Overall P value
Year
  2010/2011* 2011/2012 2012/2013 - 1.070 (1.062–1.079), P < 0.001 1.155 (1.146–1.165), P < 0.001 P < 0.001 - 1.073 (1.065–1.082), P < 0.001 1.160 (1.151–1.169), P < 0.001 P < 0.001
Practice population: % in top 15% most deprived
  None* <5% 5–15% 15–25% 25–50% >50% - 1.113 (1.066–1.163), P < 0.001 1.879 (1.679–2.102), P < 0.001 1.978 (1.760–2.222), P < 0.001 2.075 (1.831–2.352), P < 0.001 2.095 (1.825–2.404), P < 0.001 P < 0.001 - 1.084 (1.037–1.132), P < 0.001 1.704 (1.514–1.918), P < 0.001 1.770 (1.563–2.005), P < 0.001 2.028 (1.771–2.322), P < 0.001 2.221 (1.914–2.577), P < 0.001 P < 0.001
Practice population: mean age
  <40* 40–41 ≥42 - 0.803 (0.661–0.975), P = 0.027 0.499 (0.409–0.609), P < 0.001 P < 0.001 removed during backward stepwise regression  
Practice population: list size
  <5000* 5–10,000 ≥10,000 - 1.865 (1.581–2.198), P < 0.001 2.162 (1.628–2.871), P < 0.001 P < 0.001 - 1.639 (1.384–1.941), P < 0.001 1.895 (1.431–2.509), P < 0.001 P < 0.001
Practice population: patients per GP
  <1000* 1000–1500 ≥1500 - 1.393 (1.160–1.673), P < 0.001 1.637 (1.319–2.032), P < 0.001 P < 0.001 removed during backward stepwise regression  
Practice GPs: number of GPs
  1* 2-3 4–6 ≥7 - 0.882 (0.618–1.258), P = 0.489 1.260 (0.884–1.795), P = 0.202 1.641 (1.144–2.353), P = 0.007 P < 0.001 removed during backward stepwise regression  
Practice GPs: mean age
  ≤44* 45–49 ≥50 - 0.934 (0.771–1.131), P = 0.483 0.863 (0.699–1.066), P = 0.171 P = 0.392 removed during backward stepwise regression  
Practice: urban/rural
  Large urban* Other urban Small town Rural - 0.847 (0.699–1.026), P = 0.089 0.806 (0.632–1.029), P = 0.084 0.342 (0.277–0.421), P < 0.001 P < 0.001 - 0.881 (0.728–1.066), P = 0.193 1.055 (0.826–1.349), P = 0.667 0.690 (0.546–0.872), P = 0.002 P = 0.006
Indicator: % not achieved*
  <5%* 5-10% >10% - 0.914 (0.906–0.923), P < 0.001 0.784 (0.774–0.794), P < 0.001 P < 0.001 - 0.912 (0.903–0.920), P < 0.001 0.783 (0.773–0.793), P < 0.001 P < 0.001
Indicator: threshold increasing
  No* Yes - 0.705 (0.381–1.304), P = 0.265 P = 0.265 removed during backward stepwise regression  
  1. * Reference group for odds ratio
  2. CI confidence interval, GP general practitioner