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Table 6 Best fitting growth curve models for health measures

From: Autism through midlife: trajectories of symptoms, behavioral functioning, and health

 

6A. Health Rating

6B. Psychotropic Medications

6C. Non-psychotropic Medications

Best fitting Model

Model 1

Model 3

Model 4

Fixed Effects

 T1 age

.01 (.00)**

-.04 (.01)***

-.07 (.01)***

 Sex (Female = 1)

-.08 (.06)

-.10 (.12)

.22 (.11)

 ID (ID = 1)

.06 (.06)

.01 (.15)

-.15 (.18)

 Age

-.02 (.00)***

.03 (.01)***

-.02 (.02)

 Age-squared

–

–

.002 (.000)***

 Age x ID

–

.03 (.01)**

.09 (.02)***

 Age-sq x ID

–

–

-.0015 (.0005)**

 Constant

3.25 (.06)***

.90 (.13)***

.76 (.15)***

Random Effectsa

 Var. (Age)

.000 [.000, .001]

.003 [.003, .004]

.003 [.003, .005]

 Var. (intercept)

.284 [.211, .381]

1.09 [.869, 1.37]

.672 [.462, .977]

 Cov. (Age, intercept)

-.005 [-.009, -.001]

-.030 [-.042, -.017]

-.020 [-.034, -.007]

 Var. (Level-1 residual)

.246 [.230, .263]

.406 [.379, .435]

.771 [.720, .825]

  1. ID Intellectual Disability
  2. ** p < .01; *** p < .001
  3. aEstimated variances (Var.) and covariances (Cov.) of random parts of the mixed models are reported with 95% confidence intervals in brackets