| Agreementa | Disagreement type 1b | Disagreement type 2c | ||||
|---|---|---|---|---|---|---|
| Development domains | Intervention, n (%) | Control, n (%) | Intervention, n (%) | Control, n (%) | Intervention, n (%) | Control, n (%) |
| Communication | 863 (83.2) | 746 (81.1) | 42 (4.1) | 61 (6.6) | 23 (2.2) | 56 (6.1) |
| Gross motor | 955 (92.1) | 811 (88.2) | 60 (5.8) | 59 (6.4) | 22 (2.1) | 50 (5.4) |
| Fine motor | 953 (91.9) | 798 (86.7) | 32 (3.1) | 50 (5.4) | 52 (5.0) | 72 (7.8) |
| Problem-solving | 990 (95.4) | 821 (89.2) | 36 (3.5) | 63 (6.8) | 11 (1.1) | 36 (3.9) |
| Personal-social | 879 (84.7) | 738 (80.2) | 89 (8.6) | 104 (11.3) | 69 (6.7) | 78 (8.5) |
| Total measurementsd | 4640 (89.5) | 3914 (85.0) | 259 (5.0) | 243 (5.3) | 177 (3.4) | 292 (6.3) |
aBoth mother-response scores (on ASQ-3) and assessor observation scores both conclude the child has delayed or achieved milestones for the specified domain (that is, reports tally).
bType 1 disagreement: mother-response indicates milestone achievement, but observation scores suggest delay.
cType 2 disagreement: mother-response indicates milestone delay, but observation scores suggest achievement.
dOut of total 5185 and 4600 observations in intervention and control, respectively (calculated using total number of measured children X5 [development domains])
ASQ-3 = Ages and Stages Questionnaire-3.