Table 3.
Adjusted mean (95% CI) outcome scores in the intervention (N=54) and standard care (N=57) groups. All scores are adjusted for the number of children, maternal education, housing situation, and maternal age (years) at baseline.
| Outcome assessment | Intervention, mean (95% CI) | Standard care, mean (95% CI) | Group × time, P valuea | ||
| Maternal confidence | |||||
| Parenting Stress Index (PSI) competenceb | |||||
| Baseline | 26.5 (25.2 to 27.9) | 28.8 (27.2 to 30.4) | .69 | ||
| 8 months | 24.4 (22.7 to 26.1) | 25.8 (24.4 to 27.2) | .69 | ||
| 12 months | 23.6 (22.2 to 24.9) | 25.2 (23.6 to 26.8) | .69 | ||
| Parent Sense of Competence Scale | |||||
| Baseline | 67.2 (64.5 to 69.9) | 61.8 (59.1 to 64.4) | .11 | ||
| 8 months | 69.1 (66.5 to 71.7) | 64.9 (62.8 to 67.2) | .11 | ||
| 12 months | 69.4 (66.8 to 72.0) | 67.4 (64.7 to 70.1) | .11 | ||
| Relationship quality | |||||
| PSI attachmentb | |||||
| Baseline | 10.9 (10.1 to 11.8) | 13.6 (12.4 to 14.9) | .04 | ||
| 8 months | 10.3 (9.4 to 11.2) | 12.6 (11.6 to 13.5) | .04 | ||
| 12 months | 10.9 (9.9 to 11.7) | 12.1 (11.1 to 13.1) | .04 | ||
| Maternal Depression | |||||
| Edinburgh Postnatal Depression Scale | |||||
| Baseline | 8.6 (7.7 to 9.5) | 9.6 (8.3 to 10.9) | .001 | ||
| 8 months | 7.8 (6.6 to 9.0) | 8.8 (7.5 to 10.1) | .001 | ||
| 12 months | 8.4 (7.2 to 9.6) | 7.2 (5.9 to 8.3) | .001 | ||
aStatistical significance of the group × time interaction.
bHigher scores indicate more problems.