| Characteristic | No. (%)* |
|---|---|
| Age, mean ± SD, mo | 18.6 ± 0.7 |
| Sex, male | 192 (55.2) |
| Maternal education | |
| College or university | 328 (94.3) |
| Nipissing District Developmental Screen | |
| ≥ 1 flag | 138 (39.7) |
| ≥ 2 flags | 54 (15.5) |
| Infant Toddler Checklist | |
| Expressive speech delay† | 16 (4.6) |
| Other communication delays‡ | 22 (6.3) |
Note: SD = standard deviation.
*Unless stated otherwise.
†Need to monitor: expressive speech composite below the 10th percentile.
‡Need for referral: social composite, symbolic composite or the total score below the 10th percentile.