Determining the number of PA trajectory groups
|
---|
Number of groups
|
BIC
|
Smallest group %
|
2
|
−48,370
|
29.0
|
3
|
−48,182
|
6.1
|
4
|
−48,014
|
5.6
|
5
|
−47,948
|
3.0
|
|
↓
| |
The final number of PA trajectory groups was determined to be 4.
|
|
↓
| |
Determining the highest model function of the 4 PA trajectory groups
|
|
1st iteration
|
2nd iteration
|
3rd iteration
|
4th iteration
|
Group
|
Highest function
|
P-value
|
Highest function
|
P-value
|
Highest function
|
P-value
|
Highest function
|
P-value
|
Group 1
|
Quadratic
|
<0.001
|
Quadratic
|
<0.001
|
Quadratic
|
<0.001
|
Quadratic
|
<0.001
|
Group 2
|
Quadratic
|
<0.001
|
Quadratic
|
<0.001
|
Quadratic
|
0.14
|
Linear
|
<0.001
|
Group 3
|
Quadratic
|
<0.001
|
Quadratic
|
0.27
|
Linear
|
0.43
|
Constant
|
<0.001
|
Group 4
|
Quadratic
|
0.72
|
Linear
|
<0.001
|
Linear
|
<0.001
|
Linear
|
<0.001
|
- BIC Bayesian information criterion