Participant characteristics
Depression
MAY
Between May 2020 and March 2021, 492 primiparous women were assessed for eligibility: 149 women (149/492, 30.3%) refused, and 101 women (101/492, 20.5%) were ineligible, and 242 participants (242/492, 49.2%) were recruited in the study. Of which, 236 women completed baseline T0 assessment and underwent random assignment. Finally, 114 women in the intervention group and 114 women in the control group completed the follow-up measurement.The mean age of these participants was 27.30 (3.00) years. Of which, 44.1% (104/236) of respondents had a University degree, and 41.5% of them (98/236) had a professional occupation. More than half of women (122/236, 51.7%) had a family income of >5000yuan (US$700)/per month, person. Research found that there was no significant difference between the intervention and the control groups regarding social-demographic, clinical-related, and baseline outcome measures at T0 (Comparison of socio-demographic and clinical characteristics and baseline outcomes between the groups.All p-values were calculated using independent samples t test for continuous variables and chi-square tests or Fisher exact test for categorical variables. SICS, Self-efficacy in Infant Care Scale; EPDS, Edinburgh Postnatal Depression Scale; PSSS, Postpartum Social Support Scale.