Table 5 Parameter Estimates of the 3-Class Solution in the TRacking Adolescent Individuals’ Lives Survey (TRAILS), The Netherlands, 2001–2017

Mean

Variance

Mean

Variance

Mean

Variance

0: Unconstrained

Intercept

0.358

0.024

0.325

0.008

0.145

0.009

Linear Slope

0.087

0.001

0.008

0.001

0.005

0.001

Quadratic Slope

−0.033

0^a

−0.048

0^a

−0.024

0^a

Cubic slope

0.003

0^a

0.008

0^a

0.004

0^a

T1

–

0.038

–

0.049

–

0.01

T2

–

0.04

–

0.03

–

0.008

T3

–

0.041

–

0.019

–

0.01

T4

–

0.059

–

0.01

–

0.002

T5

–

0.05

–

0.006

–

0.001

T6

–

0.049

–

0.011

–

0.001

1A: Residual variance time constrained

Intercept

0.460

0.012

0.283

0.008

0.136

0.011

Linear Slope

0.078

0.003

0.039

0.001

0.024

0.001

Quadratic Slope

−0.039

0^a

− 0.042

0^a

− 0.03

0^a

Cubic slope

0.004

0^a

0.006

0^a

0.004

0^a

T1

–

0.058

–

0.023

–

0.005

T2

–

0.058

–

0.023

–

0.005

T3

–

0.058

–

0.023

–

0.005

T4

–

0.058

–

0.023

–

0.005

T5

–

0.058

–

0.023

–

0.005

T6

–

0.058

–

0.023

–

0.005

1B: Residual variance classes constrained

Intercept

0.352

0.026

0.265

0.022

0.369

0.037

Linear Slope

0.078

0.003

0.019

0.001

0.089

0.003

Quadratic Slope

−0.07

0^a

−0.033

0^a

0.023

0^a

Cubic slope

0.012

0^a

0.004

0^a

− 0.008

0^a

T1

–

0.034

–

0.034

–

0.034

T2

–

0.029

–

0.029

–

0.029

T3

–

0.028

–

0.028

–

0.028

T4

–

0.027

–

0.027

–

0.027

T5

–

0.026

–

0.026

–

0.026

T6

–

0.005

–

0.005

–

0.005

1C: Random effects constrained

Intercept

0.282

0.013

0.466

0.013

0.234

0.013

Linear Slope

0.073

0.001

0.091

0.001

−0.023

0.001

Quadratic Slope

−0.048

0^a

−0.033

0^a

− 0.025

0^a

Cubic slope

0.006

0^a

0.004

0^a

0.005

0*

T1

–

0.027

–

0.067

–

0.031

T2

–

0.029

–

0.061

–

0.013

T3

–

0.027

–

0.057

–

0.011

T4

–

0.028

–

0.094

–

0.003

T5

–

0.023

–

0.09

–

0.001

T6

–

0.03

–

0.075

–

0.004

Model 2A:

Residual variance Constrained time and classes

Intercept

0.302

0.021

0.223

0.006

0.715

0.021

Linear Slope

0.105

0.001

0.043

0.000^b

−0.142

0.000^b

Quadratic Slope

−0.034

0^a

−0.045

0^a

−0.029

0^a

Cubic slope

0.004

0^a

0.006

0^a

0.007

0^a

T1

–

0.028

–

0.028

–

0.028

T2

–

0.028

–

0.028

–

0.028

T3

–

0.028

–

0.028

–

0.028

T4

–

0.028

–

0.028

–

0.028

T5

–

0.028

–

0.028

–

0.028

T6

–

0.028

–

0.028

–

0.028

2B: Random effects and residual variance time constrained

Intercept

0.463

0.01

0.323

0.01

0.148

0.01

Linear Slope

0.094

0.001

0.04

0.001

0.026

0.001

Quadratic Slope

−0.033

0^a

−0.044

0^a

−0.032

0^a

Cubic slope

0.003

0^a

0.006

0^a

0.005

0^a

T1

–

0.073

–

0.029

–

0.006

T2

–

0.073

–

0.029

–

0.006

T3

–

0.073

–

0.029

–

0.006

T4

–

0.073

–

0.029

–

0.006

T5

–

0.073

–

0.029

–

0.006

T6

–

0.073

–

0.029

–

0.006

2C: Random effects and residual variance classes constrained

Intercept

0.273

0.018

0.491

0.018

0.397

0.018

Linear Slope

0.019

0.001

0.469

0.001

−0.074

0.001

Quadratic Slope

−0.032

0^a

−0.261

0^a

0.099

0^a

Cubic slope

0.005

0^a

0.032

0^a

−0.015

0^a

T1

–

0.037

–

0.037

–

0.037

T2

–

0.023

–

0.023

–

0.023

T3

–

0.026

–

0.026

–

0.026

T4

–

0.033

–

0.033

–

0.033

T5

–

0.017

–

0.017

–

0.017

T6

–

0.027

–

0.027

–

0.027