Model
| |
χ2
|
CFI
|
TLI
|
RMSEA
|
SRMR
|
---|
SCQ
|
EFA Unidimensional
|
Sample 1
|
577.668**
|
.903
|
.871
|
.071**
|
.069
|
EFA 2-Factor
|
Sample 1
|
132.470**
|
.980
|
.962
|
.039**
|
.030
|
EFA 3-Factor
|
Sample 1
|
16.176
|
.999
|
.998
|
.009
|
.011
|
ESEM 3-Factor
|
Sample 2
|
34.903**
|
.995
|
.986
|
.022
|
.016
|
|
Female Sex/gender
|
17.098
|
.997
|
.992
|
.017
|
.017
|
|
Male Sex/gender
|
29.386*
|
.998
|
.994
|
.015
|
.011
|
|
Age group 1a
|
42.884**
|
.997
|
.990
|
.019
|
.013
|
|
Age group 2b
|
43.648*
|
.996
|
.988
|
.021
|
.015
|
|
Age group 3c
|
30.61**
|
.995
|
.984
|
.026
|
.020
|
SRS-2
|
EFA Unidimensional
|
Sample 1
|
3796.694**
|
.825
|
.754
|
.150**
|
.070
|
EFA 2-Factor
|
Sample 1
|
1374.531**
|
.937
|
.864
|
.112**
|
.034
|
EFA 3-Factor
|
Sample 1
|
23.619**
|
.999
|
.997
|
.017
|
.004
|
ESEM 3-Factor
|
Sample 2
|
21.284**
|
.999
|
.997
|
.016
|
.004
|
|
Female Sex/gender
|
27.201**
|
.998
|
.992
|
.031
|
.006
|
|
Male Sex/gender
|
28.311**
|
.999
|
.997
|
.015
|
.003
|
|
Age group 1a
|
13.131
|
.999
|
.998
|
.014
|
.004
|
|
Age group 2b
|
48.439**
|
.999
|
.995
|
.027
|
.005
|
|
Age group 3c
|
3.44
|
.999
|
.998
|
.008
|
.003
|
ADI-R
|
Current scores
|
EFA Unidimensional
|
Sample 1
|
1951.781**
|
.708
|
.643
|
.091**
|
.086
|
EFA 2-Factor
|
Sample 1
|
219.452**
|
.973
|
.958
|
.031
|
.029
|
EFA 3-Factor
|
Sample 1
|
142.231**
|
.983
|
.966
|
.028
|
.024
|
ESEM 3-Factor
|
Sample 2
|
84.499**
|
.991
|
.980
|
.024
|
.003
|
|
Female Sex/gender
|
36.983
|
.996
|
.991
|
.017
|
.020
|
|
Male Sex/gender
|
137.23**
|
.988
|
.974
|
.026
|
.019
|
|
Age group 1a
|
107.986**
|
.983
|
.962
|
.031
|
.023
|
|
Age group 2b
|
32.346
|
.997
|
.994
|
.013
|
.019
|
|
Age group 3c
|
28.838
|
.998
|
.996
|
.011
|
.020
|
ADOS Modules 3 and 4
|
EFA unidimensional
|
Sample 1
|
44.137**
|
.915
|
.756
|
.083
|
.035
|
|
Sample 2
|
42.256**
|
.930
|
.780
|
.082
|
.035
|
- ADI-R, Autism Diagnostic Interview-Revised; CFA, Confirmatory Factor; CFI, Comparative Fit Index; ESEM, Exploratory Structural Equation Modeling; RMSEA, Root Mean Square Error of Approximation; SCQ, Social Communication Questionnaire; SRMR, Standardized Root Mean Square Residual; SRS-2, Social Responsiveness Scale; TLI, Tucker-Lewis Index
- *p < .01; **p < .001
- aAge Group 1: 2–6 years; bAge Group 2: 7–12 years; cAge Group 3: 13 years and above