Adjusted mean (SE) Parent Stress Index Scale (PSI) scores*,†
| Scale | Baseline‡ | 9-Month§ | 18-Month¶ | 24-Month** | Group p Value | Time p Value | Group×time p Value |
|---|---|---|---|---|---|---|---|
| PSI competence†† | |||||||
| SA-FHV | 22.5 (1.0) | – | 21.7 (1.0) | 21.8 (1.0) | 0.002 | 0.11 | 0.31 |
| Comparison | 20.0 (1.2) | – | 19.6 (1.2) | 20.2 (1.2) | |||
| PSI attachment | |||||||
| SA-FHV | 12.4 (0.5) | 11.6 (0.5) | 11.5 (0.5) | 11.4 (0.5) | <0.001 | <0.001 | 0.03 |
| Comparison | 10.8 (0.6) | 9.9 (0.6) | 10.8 (0.6) | 10.5 (0.6) | |||
| PSI role restriction | |||||||
| SA-FHV | 19.7 (0.8) | 19.0 (0.8) | 19.4 (0.8) | 18.6 (0.8) | 0.01 | <0.001 | 0.006 |
| Comparison | 18.4 (0.9) | 17.0 (0.9) | 17.9 (0.9) | 18.3 (0.9) | |||
*Higher values indicate a worse outcome on all variables.
†All scores adjusted for infant age, gender and Aboriginal status, maternal age, level of education, number of children, number of parents in household, type of housing and number of home moves in previous 12 months.
‡SA-FHV (n=318), comparison (n=169).
§SA-FHV (n=294), comparison (n=163).
¶SA-FHV (n=295), comparison (n=160).
**SA-FHV (n=318), comparison (n=169).
††Two items asking about parents’ level of education that comprise part of the PSI Competence subscale were not included in the present study.
SA-FHV, South Australian Family Home-Visiting.