Table 2.
Intention-to-treat (ITT) within-group analyses using paired-samples t-test or Wilcoxon signed-rank test
| Pre | Post | ||||||
|---|---|---|---|---|---|---|---|
| Variables | Mean (SD) | Median | Mean (SD) | Median | t(df)/Z-value | p | Cohen’s d/r |
| Parent Network of Relationship Inventory: | |||||||
| Providing a safe haven | 3.93 (0.95) | 4.00 | 4.29 (1.31) | 4.50 | 2.0 (282) | 0.047 | 0.33 |
| Providing a secure base | 4.49 (0.66) | 4.67 | 4.66 (1.46) | 5.00 | −1.282a | <.05b | −.18c |
| Companionship | 4.35 (0.58) | 4.33 | 4.43 (1.31) | 4.63 | 0.41 (234) | 0.685 | 0.08 |
| Warm relationship | 4.48 (0.87) | 4.80 | 4.61 (1.67) | 4.80 | 0.53 (243) | 0.597 | 0.11 |
| Conflict | 1.73 (0.80) | 1.65 | 1.78 (1.55) | 1.75 | 0.12 (106) | 0.902 | 0.04 |
| Validation | 2.60 (0.51) | 2.80 | 2.70 (1.16) | 3.00 | 0.58 (197) | 0.566 | 0.11 |
| Societal belonging | 3.41 (0.87) | 3.50 | 4.33 (1.46) | 4.37 | 4.60 (285) | < 0.001 | 0.77 |
| Efficacy to support the child’s schooling | 2.73 (0.58) | 2.86 | 2.79 (0.80) | 2.71 | 0.46 (339) | 0.649 | 0.09 |
Results based on 50 imputations. a Z-value from Wilcoxon signed-rank test. bp-value based on Fischer’s combined test. cr was used as effect estimate for non-normally distributed data