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Table 5 Analysis of 3-year Quality and Outcomes Framework indicators for population achievement

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
-
0.991 (0.9880.995), P < 0.001
1.006 (1.0031.010), P < 0.001
P < 0.001 -
0.998 (0.9941.001), P = 0.164
1.012 (1.0081.015), P < 0.001
P < 0.001
Practice population:
% in top 15%
most deprived
None*
<5%
5–15%
15–25%
25–50%
>50%
-
0.968 (0.9540.982), P < 0.001
0.894 (0.8650.924), P < 0.001
0.894 (0.8630.926), P < 0.001
0.832 (0.8000.864), P < 0.001
0.854 (0.8160.895), P < 0.001
P < 0.001 -
0.980 (0.9660.995), P = 0.007
0.940 (0.9120.970), P < 0.001
0.912 (0.8820.942), P < 0.001
0.862 (0.8320.893), P < 0.001
0.837 (0.8020.873), P < 0.001
P < 0.001
Practice population:
mean age
<40*
40–41
≥42
-
1.037 (0.9881.088), P = 0.138
1.117 (1.0641.173), P < 0.001
P < 0.001 removed during backward stepwise regression  
Practice population:
list size
<5000*
5–10,000
≥10,000
-
0.882 (0.8470.918), P < 0.001
0.881 (0.8220.945), P < 0.001
P < 0.001 -
0.913 (0.8810.947), P < 0.001
0.918 (0.8630.975), P = 0.006
P = 0.003
Practice population:
patients per GP
<1000*
1000–1500
≥1500
-
0.951 (0.9100.995), P = 0.028
0.920 (0.8730.970), P = 0.002
P = 0.005 removed during backward stepwise regression  
Practice GPs:
number of GPs
1*
2–3
4–6
≥7
-
0.999 (0.9161.090), P = 0.983
0.949 (0.8701.035), P = 0.235
0.908 (0.8310.992), P = 0.032
P = 0.002 removed during backward stepwise regression  
Practice GPs:
mean age
≤44*
45–49
≥50
-
0.980 (0.9361.027), P = 0.396
0.985 (0.9361.036), P = 0.553
P = 0.683 -
0.999 (0.9611.039), P = 0.974
0.951 (0.9100.993), P = 0.023
P = 0.038
Practice:
urban/rural
Large urban
Other urban
Small town
Rural
-*
1.045 (0.9961.096), P = 0.073
1.048 (0.9861.114), P = 0.130
1.210 (1.1491.275), P < 0.001
P < 0.001 removed during backward stepwise regression  
Indicator:
threshold increasing
No*
Yes
-
0.617 (0.3731.020), P = 0.060
P = 0.060 removed during backward stepwise regression  
  1. * Reference group for odds ratio
  2. CI confidence interval, GP general practitioner