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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