Table 2.
Association between breastfeeding initiation status and ASD clinical severity at inclusion.
| Breastfed | Never-Breastfed | P value | |
|---|---|---|---|
| Intellectual quotient | (N = 177) | (N = 66) | |
| IQ | 78.2 (± 28.0) | 73.9 (± 28.0) | 0.35 |
| VABS-II standard scores | (N = 177) | (N = 66) | |
| Communication | 73.7 (± 15.2) | 69.8 (± 15.9) | 0.08 |
| Daily living skills | 77.1 (± 12.7) | 71.5 (± 12.2) | 0.002 |
| Socialisation | 71.4 (± 11.2) | 69.7 (± 8.8) | 0.50 |
| ADOS-2 CSS | (N = 157) | (N = 55) | |
| 6.8 (± 1.9) | 6.7 (± 2.1) | 0.60 | |
| ABC | (N = 136) | (N = 49) | |
| Irritability/ aggressiveness | 31.1 (15.6–46.7)a | 31.1 (17.8–46.7) | 0.85 |
| Lethargy/ social withdrawal | 24.0 (12.5–37.5) | 27.1 (16.7–33.3) | 0.98 |
| Stereotyped behaviours/ self-harm | 23.8 (9.5–47.6) | 23.8 (9.5–61.9) | 0.66 |
| Hyperactivity/ lack of cooperation | 43.8 (25.0–65.6) | 41.7 (14.6–58.3) | 0.21 |
| SRS-2 T-score | (N = 110) | (N = 38) | |
| 94.9 (± 18.8) | 95.0 (± 19.7) | 0.97 |
Data are presented as the mean (± SD) or median (IQR).
VABS-II vineland second version, ADOS-2 CSS autism diagnostic observation schedule second version calibrate severity scale, ABC Aberrant Behavior Checklist, SRS-2 Social-Responsiveness Scale, second version.
a1 missing value.
Significant values are in bold.