|
Demographic
|
Autism, n = 347
|
TD, n = 252
|
t/χ2
|
p value
|
|---|
|
Mean
|
SD
|
Mean
|
SD
|
|---|
|
Age, yearsa
|
16.79
|
5.56
|
16.92
|
5.71
|
− 0.270
|
0.788
|
|
FSIQa,b
|
99.40
|
18.94
|
104.88
|
18.26
|
− 3.549
|
p < 0.001
|
|
FSIQ ≥ 75
|
104.29
|
14.95
|
109.02
|
13.07
|
− 3.883
|
p < 0.001
|
|
FSIQ < 75
|
66.61
|
5.44
|
63.69
|
9.20
|
1.399
|
0.172
|
| |
n
|
%
|
n
|
%
| | |
|---|
|
Sex, male/femalec
|
253/94
|
72.9/27.1
|
163/89
|
64.7/35.3
|
4.658
|
0.031
|
|
ADHD rating scaled, with/without ADHD
|
139/160
|
46.5/53.5
|
21/180
|
10.4/89.6
|
71.750
|
p < 0.001
|
|
Symptom profiles
|
Mean
|
SD
|
Mean
|
SD
| | |
|---|
|
ADIe
| | | | | | |
|
Social interaction
|
16.80
|
6.66
| | | | |
|
Communication
|
13.50
|
5.62
| | | | |
|
RRB
|
4.32
|
2.67
| | | | |
|
ADOSf
| | | | | | |
|
Social affect
|
6.04
|
2.59
| | | | |
|
RRB
|
4.73
|
2.78
| | | | |
|
SRS T-scoreg
|
70.59
|
12.06
|
47.24
|
8.79
| | |
|
RBSh
|
15.76
|
13.42
|
2.20
|
8.28
| | |
|
SSPi
|
138.62
|
27.28
|
175.97
|
16.18
| | |
- TD, typically developing; SD, standard deviation; FSIQ, full-scale intelligence quotient; ADHD, Attention Deficit Hyperactivity Disorder; ADI, Autism Diagnostic Interview-Revised; RRB, restricted, repetitive behaviors; ADOS, Autism Diagnostic Observational Schedule 2; SRS, Social Responsiveness Scale 2nd Edition; RBS, Repetitive Behavior Scale-Revised; SSP, Short Sensory Profile
- aStatistical differences were assessed by two-sample t test
- bIn Schedule A, B, and C (FSIQ ≥ 75), there are 302 participants with autism and 229 participants with TD. Schedule D (FSIQ < 75) comprised 45 participants with autism and 23 TD individuals
- cSex difference was examined by the chi-square test
- dADHD rating scores were available for 500 participants, including 299 individuals with autism and 201 TD individuals
- eADI scores were available for 332 participants
- fADOS scores were available for 339 participants. We considered calibrated severity scores
- gParent report SRS scores were available for 284 participants with autism and 135 TD individuals
- hRBS scores were available for 277 participants with autism and 133 TD individuals
- iSSP scores were available for 201 participants with autism and 115 TD individuals
- g,h,iIn all questionnaires, the scores of the autism group only were used in our study, and they are all parent-rated
