Table 1.
Participants’ characteristics. Values are numbers (percentages) unless stated otherwise
| Characteristics | Intervention arm (n=158) | Control arm (n=143) |
|---|---|---|
| Children | ||
| Female sex | 76 (48) | 73 (51) |
| Mean (SD) age (months): | ||
| At enrolment | 13.3 (1.2) | 13.3 (1.1) |
| At baseline | 18.1 (0.7) | 18.1 (0.8) |
| At 24 month follow-up questionnaire | 24.6 (1.3) | 24.5 (1.2) |
| At 24 month follow-up assessment | 25.4 (1.3) | 25.1 (1.1) |
| At 36 month follow-up questionnaire | 36.5 (0.8) | 36.4 (0.7) |
| At 36 month follow-up assessment | 37.3 (0.6) | 37.2 (0.7) |
| Normally lives with: | (n=157) | (n=141) |
| Both parents | 144 (92) | 133 (94) |
| One parent | 10 (6) | 6 (4) |
| Other | 3 (2) | 2 (1) |
| Hears non-English language >10 hours/week | 24 (15) | 19/142 (13) |
| Mean (SD) baseline measures: | ||
| 100 word Sure Start vocabulary | 5.1 (2.9) | 5.7 (3.1) |
| CBCL externalising raw score | 12.9 (7.6) | 11.9 (7.7) |
| CBCL internalising raw score | 6.2 (4.5) | 5.8 (4.3) |
| Parents | ||
| Mother’s highest level of schooling: | (n=155) | (n=138) |
| Did not complete high school | 16 (10) | 17 (12) |
| Completed high school | 68 (44) | 59 (43) |
| Tertiary degree/postgraduate | 71 (46) | 62 (45) |
| At least one parent in paid work | 142/146 (97) | 135/137 (99) |
CBCL=Child Behavior Checklist.
Sample size ranged from 133 to 158 in the intervention arm and 124 to 143 in the control arm.