Selection of variables that have varying coefficients
|
LM
|
logistic model
|
<1
|
-
|
-
|
206590.4
|
21.00
|
Model age
|
LM + s(t):age
|
4.7
|
<0.001
|
LM
|
206554.4
|
28.88
|
Model alcohol
|
LM + s(t):alcohol use
|
2.1
|
<0.001
|
LM
|
206566.0
|
27.39
|
Model physical
|
LM + s(t):physical activity
|
2.1
|
<0.001
|
LM
|
206570.1
|
26.19
|
Model income
|
LM + s(t):income
|
2.2
|
<0.001
|
LM
|
206574.8
|
26.33
|
Model mstatus
|
LM + s(t):martital status
|
2.1
|
<0.001
|
LM
|
206573.8
|
26.50
|
Model edu
|
LM + s(t):education
|
3.1
|
<0.001
|
LM
|
206573.2
|
26.26
|
Model sex
|
LM + s(t):sex
|
1.4
|
<0.001
|
LM
|
206572.4
|
25.37
|
Model work
|
LM + s(t):work status
|
1.4
|
<0.001
|
LM
|
206575.2
|
25.08
|
Model region
|
LM + s(t):region
|
2.2
|
<0.001
|
LM
|
206573.2
|
26.81
|
Model depress
|
LM + s(t):depression status
|
1.4
|
<0.001
|
LM
|
206574.2
|
24.49
|
Model time
|
LM + s(t)
|
1.6
|
<0.001
|
LM
|
206572.7
|
23.72
|
Finding the full varying coefficient model
|
Model I
|
Model age + s(t):alcohol use
|
8.9
|
0.008
|
Model age
|
206548.7
|
33.21
|
Model II
|
Model I + s(t):physical activity
|
16.8
|
0.070
|
Model I
|
206547.6
|
36.40
|
Model III
|
Model II + s(t):income
|
25.7
|
0.261
|
Model II
|
206549.0
|
38.45
|
Model IV
|
Model II + s(t):marital status
|
24.4
|
0.539
|
Model II
|
206550.8
|
38.72
|
Model V
|
Model II + s(t):education
|
36.5
|
0.227
|
Model II
|
206549.4
|
39.48
|
Model VI
|
Model II + s(t):sex
|
24.4
|
0.125
|
Model II
|
206547.3
|
37.34
|
Model VII
|
Model II + s(t):work status
|
21.4
|
0.550
|
Model II
|
206549.3
|
27.38
|
Model VIII
|
Model II + s(t):region
|
26.5
|
0.470
|
Model II
|
206550.0
|
38.32
|
Model IX
|
Model II + s(t):depression status
|
22.0
|
0.369
|
Model II
|
206548.9
|
37.42
|
Model X
|
Model I + s(t)
|
10.4
|
0.006
|
Model I
|
206548.7
|
33.21
|
Notes: s(t) - spline of time
|