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Table 4 Independent predictors of 3-year Quality and Outcomes Framework indicators for overall exceptions

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

Predictor   Total exceptions  
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
-
0.995 (0.991–1.000), P = 0.062
1.024 (1.019–1.029), P < 0.001
P < 0.001 -
0.997 (0.993–1.002), P = 0.293
1.028 (1.023–1.033), P < 0.001
P < 0.001
Practice population:
% in top 15%
most deprived
None*
<5%
5–15%
15–25%
25–50%
>50%
-
1.042 (1.019–1.065), P < 0.001
1.178 (1.119–1.239), P < 0.001
1.268 (1.202–1.338), P < 0.001
1.359 (1.282–1.440), P < 0.001
1.418 (1.325–1.517), P < 0.001
P < 0.001 -
1.035 (1.012–1.059), P = 0.002
1.128 (1.068–1.192), P < 0.001
1.188 (1.119–1.261), P < 0.001
1.278 (1.197–1.365), P < 0.001
1.325 (1.227–1.429), P < 0.001
P < 0.001
Practice population:
mean age
<40*
40–41
≥42
-
0.908 (0.843–0.979), P = 0.012
0.785 (0.727–0.847), P < 0.001
P < 0.001 removed during backward stepwise regression  
Practice population:
list size
<5000*
5–10,000
≥10,000
-
1.137 (1.066–1.213), P < 0.001
1.121 (1.003–1.254), P = 0.045
P < 0.001 -
1.091 (1.021–1.165), P = 0.010
1.081 (0.970–1.206), P = 0.160
P = 0.030
Practice population:
patients per GP
<1000*
1000–1500
≥1500
-
1.092 (1.018–1.171), P = 0.014
1.186 (1.092–1.288), P < 0.001
P < 0.001 removed during backward stepwise regression  
Practice GPs:
number of GPs
1*
2–3
4–6
≥7
-
0.921 (0.802–1.057), P = 0.240
0.956 (0.833–1.097), P = 0.520
1.008 (0.876–1.159), P = 0.911
P = 0.150 removed during backward stepwise regression  
Practice GPs:
mean age
≤44*
45–49
≥50
-
0.984 (0.915–1.059), P = 0.672
1.025 (0.946–1.111), P = 0.549
P = 0.594 removed during backward stepwise regression  
Practice:
urban/rural
Large urban*
Other urban
Small town
Rural
-
0.856 (0.796–0.921), P < 0.001
0.870 (0.792–0.955), P = 0.003
0.659 (0.609–0.713), P < 0.001
P < 0.001 -
0.900 (0.835–0.970), P = 0.006
0.971 (0.881–1.070), P = 0.548
0.799 (0.727–0.878), P < 0.001
P < 0.001
Indicator:
% not achieved
<5%*
5–10%
>10%
-
0.923 (0.918–0.928), P < 0.001
0.853 (0.846–0.859), P < 0.001
P < 0.001 -
0.922 (0.917–0.927), P < 0.001
0.852 (0.846–0.858), P < 0.001
P < 0.001
Indicator:
threshold increasing
No*
Yes
-
1.204 (0.645–2.248), P = 0.560
P = 0.560 removed during backward stepwise regression  
  1. * Reference group for odds ratio
  2. CI confidence interval, GP general practitioner