TABLE 1.
Demographic and clinical characteristics of participants.
| Healthy control (HC, n = 30) |
Postpartum depressed (PPD, n = 29) |
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| Characteristic | Mean (SD) | Percent (%) | Mean (SD) | Percent (%) | P-value |
| Age (years) | 27.33 (4.10) | 27.24 (3.55) | 0.99a | ||
| Primipara | 26 | 86.66 | 25 | 86.21 | 0.96b |
| Caesarean | 9 | 30.0 | 11 | 37.93 | 0.52b |
| Breastfeeding | 30 | 100 | 29 | 100 | |
| Socioeconomic status | |||||
| (Thousand RMB) | 133.0 (2.47) | 144.48 (2.20) | 0.06a | ||
| Education (years) | 12.23 (2.58) | 13.00 (2.15) | 0.68a | ||
| Neuropsychological tests | |||||
| EPDS | 0.50 (0.73) | 15.79 (1.86) | 0.00a | ||
| PSQI | 6.52 (3.02) | 15.17 (2.96) | 0.00a | ||
SD, standard deviation; RMB, Renminbi; EPDS, Edinburgh postpartum depression scale; PSQI, Pittsburgh sleep quality index.
aUnpaired t-test, bχ2.