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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