HA scores in the ND and PD groups at T1.

ND group: non depressive group.PD group: postpartum depressive group.SD: standard deviation.a: Student's t-test was conducted in HA scores between the ND and PD groups at T1.ND组：非抑郁组（non depressive group）。PD组：产后抑郁组（postpartum depressive group）。SD：标准差（standard deviation）。注a：于T1时间点针对ND组与PD组的HA评分开展学生t检验（Student's t-test）。