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Table 3 Parent–child agreement in the three study groups and across all groups

From: Early intervention influences positively quality of life as reported by prematurely born children at age nine and their parents; a randomized clinical trial

KINDL® PI group PC group TR-group Across groups
  (n) ICC (n) ICC (n) ICC (n) ICC
Physical well-being (62) 0.57 (59) 0.48 (60) 0.46 (181) 0.50
Emotional well-being* (63) 0.19 (59) 0.50 (60) 0.41 (182) 0.36
Self esteem (63) 0.34 (58) 0.49 (60) 0.42 (181) 0.43
Family (63) 0.53 (59) 0.37 (60) 0.53 (182) 0.49
Friends* , ** (63) 0.31 (59) 0.60 (60) 0.38 (182) 0.46
School (61) 0.22 (58) 0.21 (60) 0.04 (179) 0.17
Total QoL (63) 0.67 (59) 0.57 (60) 0.51 (182) 0.60
  1. ICC: Intraclass-correlation.
  2. n: number of parent–child pairs.
  3. *Significant difference in parent–child agreement between the PI and the PC group (p < 0.05).
  4. **Significant difference in parent–child agreement between the PC and the TR group (p < 0.05).