| |
Total (n = 957)
|
ASD without ID (n = 199)
|
ASD with ID (n = 180)
|
ID only (n = 164)
|
GP (n = 414)
|
p value
|
|---|
|
Mean (SD) or %
|
|---|
|
Mom age (years)
|
28.9 (5.7)
|
30.3 (5.6)
|
29.6 (5.8)
|
27.1 (6.1)
|
28.7 (5.4)
|
< 0.01
|
|
Dad age (years)
|
35.1 (15.8)
|
34.9 (12.6)
|
36.2 (16.5)
|
36.6 (21)
|
34.1 (14.3)
|
0.26
|
|
Birthweight (g)
|
3371.9 (595.5)
|
3437 (615)
|
3404.9 (519.7)
|
3157.8 (705.6)
|
3411 (551.2)
|
< 0.01
|
|
Child sex
|
|
Female
|
21.8
|
17.6
|
19.4
|
41.5
|
17.1
|
< 0.01
|
|
Male
|
78.2
|
82.4
|
80.6
|
58.5
|
82.9
|
|
Maternal race
|
|
White
|
78.9
|
77.9
|
71.7
|
86.6
|
79.5
|
0.04
|
|
Asian
|
11.6
|
13.1
|
16.7
|
5.5
|
11.1
|
|
Others
|
9.5
|
9.0
|
11.7
|
7.9
|
9.4
|
|
Hispanic ethnicity
|
46.4
|
32.2
|
42.2
|
68.3
|
46.4
|
< 0.01
|
|
Public insurance
|
35.6
|
19.6
|
32.2
|
59.8
|
35.3
|
< 0.01
|
|
County
|
|
Orange County
|
45.4
|
42.7
|
38.9
|
32.3
|
54.6
|
<0.01
|
|
San Diego
|
52.6
|
56.3
|
59.4
|
63.4
|
43.5
|
|
Imperial
|
2.1
|
1.0
|
1.7
|
4.3
|
1.9
|
- Note: p value for ANOVA/chi-squared test for difference across diagnostic groups. SD standard deviation