Outcome measures and timing of administration of measures
| Scale (number of items) | 8 weeks | 1 year |
|---|---|---|
| Responses scored on five point scale from 5 (strongly agree) to 1 (strongly disagree). | ||
| *Item 11 reverse scored; omitted from analysis because of low correlation with other items. | ||
| EPDS, Edinburgh postnatal depression scale; PSI, parenting stress index. | ||
| EPDS (9) | √ | √ |
| PSI | √ | √ |
| PSI subscales | ||
| Child moody (5) | √ | √ |
| Mother sense of competence (11) | √ | √ |
| Sense of attachment (5) | √ | √ |
| Spouse problems (6) | √ | |
| Child seen as rewarding (6) | √ | |
| Infant hip worries inventory (12) | √ (items 1–11)* | √ (items 1, 2, 8, 9, 10,12) |
| Items of the infant hip worries inventory: | ||
| 1. I feel upset when people ask me about my baby’s hips | ||
| 2. I worry that I might do something to hurt my baby’s hips | ||
| 3. I feel upset when I look at my baby | ||
| 4. I find it difficult to feed my baby | ||
| 5. I find it difficult to cuddle my baby | ||
| 6. I find it difficult to wash my baby | ||
| 7. I worry about whether my baby is comfortable | ||
| 8. I worry before each hospital visit related to my baby’s hip | ||
| 9. I worry about the effect the hip instability might have on my baby in the future | ||
| 10. I was very upset when I was first told that my baby had an unstable hip | ||
| 11. In the last 8 weeks, I have had helpful people to turn to about my baby’s hip problem | ||
| 12. I worry about my child’s walking. | ||