Table 3. Correlations between PIPE score at 12 months and mother’s and baby’s clinical characteristics.

A. Mother’s clinical characteristics	Correlation with PIPE score 12 months after birth	B. Baby’s clinical characteristics	Correlation with PIPE score 12 months after birth
Age	NS	Intrauterine growth restriction	NS
Multiple pregnancy	NS	Term of birth	NS
Threatened premature labor	NS	Weight at birth	NS
		Apgar score
C-section	NS	5 min	NS
History of baby loss	NS	10 min	NS
PPQ
V2	0.22 (p = 0.10)	Hospitalization duration	NS
		PRI
V3	0.34 (p = 0.008*)	V1	NS
V4	0.21 (p = 0.11)	V2	NS
HADS anxiety score
		DDST score
V1	NS	V4	-0.19 (p = 0.15)
		DDST personal-social subscore
V2	NS	V4	-0.18 (p = 0.14)
		DDST language subscore
V3	0.25 (p = 0.05)	V4	-0.18 (p = 0.16)
		DDST fine motor adaptative subscore
V4	0.29 (p = 0.02*)	V4	-0.28 (p = 0.03*)
HADS depression score		DDST gross motor subscore
V1	NS	V4	-0.19 (p = 0.14)
V2	NS
V3	0.22 (p = 0.09)
V4	0.30 (p = 0.02*)
EPDS
V2	NS
V3	0.31 (p = 0.01*)
V4	0.43 (p = 0.0006*)
SSQ number score
V1	NS
V2	NS
V3	NS
V4	NS

Correlation is estimated with ρ Spearman coefficient. DDST: Denver Developmental Screening Test; EPDS: Edinburgh Postnatal Depression Scale; HADS: Hospital Anxiety and Depression Scale; PIPE: Pediatric infant parent exam; PPQ: Perinatal PTSD Questionnaire; PRI: Perinatal Risk Inventory; SSQ: Social Support Questionnaire; min: minute; NS: not significant; V1: assessment at inclusion; V2: assessment at the hospital discharge; V3: assessment 6 months after birth; V4: assessment 12 months after birth.

*: p<0.05.