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Table 2 Threshold search for max time to a GP visits by complications for people aged 45 years or older

From: A time-duration measure of continuity of care to optimise utilisation of primary health care: a threshold effects approach among people with diabetes

Complication cohorts

No complication (a)

One or two complications (b)

Three or more complications©

Number of subpopulations

2

3

4

5

6

18

2

3

4

5

6

18

2

3

4

5

18

AIC

45,169.0

45,091.2

45,049.5

45,020.4

45,017.6

45,018.7

53,464.2

53,413.6

53,360.2

53,346.5

53,408.3

53,340.3

69,875.6

69,812.3

69,774.9

69,769.4

69,777.3

BIC

45,398.5

45,329.9

45,297.3

45,277.4

45,283.8

45,450.1

53,683.6

53,641.8

53,597.2

53,592.3

53,662.8

53,752.9

70,086.1

70,031.2

70,002.3

70,005.2

70,173.0

Threshold parameters

 τ1

8

8

2

2

2

10

2

2

2

3

9

2

2

2

 τ2

 

13

8

3

3

 

10

3

3

6

 

3

3

3

 τ3

  

13

8

8

  

11

4

7

  

9

9

 τ4

   

13

10

   

11

9

   

13

 τ5

    

13

    

11

     

Coefficients

 γ1

−0.229***

−0.249***

−0.040

0.134**

0.123**

−0.194***

−0.015

0.194***

0.323***

−0.165***

−0.128***

0.289***

0.196***

0.190***

(0.01)

(0.01)

(0.03)

(0.05)

(0.05)

(0.01)

(0.03)

(0.04)

(0.05)

(0.03)

(0.01)

(0.03)

(0.03)

(0.03)

 γ2

−0.083***

− 0.126***

− 0.199***

− 0.057

− 0.064*

− 0.053***

− 0.157***

0.006

0.087**

−0.216***

− 0.014

0.115***

0.054*

0.050*

(0.01)

(0.01)

(0.02)

(0.03)

(0.03)

(0.01)

(0.01)

(0.02)

(0.03)

(0.02)

(0.01)

(0.02)

(0.02)

(0.02)

 γ3

 

−0.013

−0.101***

−0.148***

− 0.152***

 

−0.039**

− 0.099***

−0.023

− 0.188***

 

−0.001

− 0.046**

−0.048**

(0.01)

(0.01)

(0.02)

(0.02)

 

(0.01)

(0.01)

(0.02)

(0.02)

 

(0.01)

(0.02)

(0.02)

 γ4

  

0.004

−0.072***

−0.089***

  

−0.000

− 0.071***

−0.162***

  

0.028*

0.013

(0.01)

(0.01)

(0.02)

  

(0.01)

(0.02)

(0.02)

  

(0.01)

(0.01)

 γ5

   

0.024

−0.057***

   

0.016

−0.116***

   

0.062***

(0.01)

(0.02)

   

(0.01)

(0.02)

   

(0.02)

 γ6

    

0.022

    

−0.039**

     

(0.01)

    

(0.01)

     
  1. For one subpopulation (a): AIC = 45,401.0; BIC = 45,676.3; (b) AIC = 53,622.8; BIC = 53,886.1; (c) AIC = 69,969.5; BIC = 70,222.1