[Retracted] Growth and Development in Preterm Infants and Maternal Parenting Stress after WeChat-Based Extended Care

Table 6

Maternal psychological status before and after intervention.

Group	n	Before intervention (SAS score)	After intervention (SDS score)	t
WeChat group	46	55.13 ± 4.33	42.72 ± 4.35	14.77	<0.0001
Control group	39	55.23 ± 4.44	49.23 ± 8.53	4.108	0.0002
t		0.104	4.531
		0.9167	<0.0001

SAS, self-rating anxiety scale; SDS, self-rating depression scale.