Early intervention program reduces stress in parents of preterms during childhood, a randomized controlled trial

Table 4 Significant differences between the preterm control (PC) and preterm intervention (PI) groups on Parenting Stress Index (PSI), subscales

	Mothers report		Fathers report
	Subdomains of child-related stress	Subdomains of parent-related stress	Subdomains of child-related stress	Subdomains of parent-related stress
6 months		Attachment^b
1 year	Reinforces parent^a	Competence^a	Reinforces parent^a	Attachment^b
1 year	Reinforces parent^a	Attachment^a	Mood^a	Attachment^b
2 years	Distractibility^a	Competence^b	Distractibility^a
	Adaptability^a	Attachment^a	Mood^a
	Demandingness^b	Spouse^a
	Mood^b
	Acceptability^b
3 years	Distractibility^a	Competence^c	Distractibility^b
	Adaptability^c	Attachment^a	Mood^a
	Demandingness^a
	Mood^b
	Acceptability^a
5 years	Distractibility^c	Competence^c	Distractibility^c	Spouse^a
	Adaptability^c	Attachment^b	Adaptability^a
	Demandingness^b		Reinforces parent^a
	Mood^c		Demandingness^a
	Acceptability^b		Mood^b
7 years	Distractibility^b	Competence^b
	Adaptability^a
	Demandingness^a
	Mood^b
	Acceptability^b

All analyses generated with liners mixed models (LMM), adjusted for repeated measures and the clustering effect of twin pairs. a = P <0.05, b = P <0.01, c = P <0.001.

ISSN: 1745-6215