Research Article
[Retracted] Growth and Development in Preterm Infants and Maternal Parenting Stress after WeChat-Based Extended Care
| Group | n | Gestational age (weeks) | Male/female | Birth weight (kg) | Ethnic group Han/ethnic minorities |
| WeChat group | 46 | 31.3 ± 1.8 | 25 (54.4)/21 (45.6) | 2.2 ± 0.6 | 45 (97.8)/1 (2.2) | Control group | 39 | 31.0 ± 1.6 | 22 (56.4)/17 (43.6) | 2.4 ± 0.5 | 36 (92.3)/3 (7.7) | χ2/t | | 0.805 | 0.036 | 1.651 | 1.433 | | | 0.423 | 0.849 | 0.103 | 0.231 |
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