Table1 Baseline characteristics of the participants between the two groups in the cohort study
From: Antepartum sleep quality, mental status, and postpartum depressive symptoms: a mediation analysis
Characteristics | EPDS < 10 (n = 984) No. (%) | EPDS ≥ 10 (n = 317) No. (%) | P value |
|---|---|---|---|
Age (years) | Â | Â | 0.080 |
  < 35 | 770 (78.25) | 233 (73.50) |  |
  ≥ 35 | 214 (21.75) | 84 (26.50) |  |
Pre-pregnancy BMI (kg/m2) | Â | Â | 0.777 |
  < 24 | 819 (83.23) | 266 (83.91) |  |
  ≥ 24 | 165 (16.77) | 51 (16.09) |  |
Gestational weight gain | Â | Â | 0.348 |
  < optimal | 235 (23.88) | 66 (20.82) |  |
  optimal | 369 (37.50) | 132 (41.64) |  |
  > optimal | 380 (38.62) | 119 (37.54) |  |
Ethnicity | Â | Â | 0.161 |
  Han | 977 (99.29) | 312 (98.42) |  |
  Other | 7 (0.71) | 5 (1.58) |  |
Smoking | Â | Â | 1.000 |
  No | 981 (99.70) | 317 (100.00) |  |
  Yes | 3 (0.30) | 0 (0.00) |  |
Alcohol drinking | Â | Â | 1.000 |
  No | 979 (99.49) | 315 (99.37) |  |
  Yes | 5 (0.51) | 2 (0.63) |  |
Employment status | Â | Â | 0.069 |
  Employed | 944 (95.93) | 311 (98.11) |  |
  Unemployed | 40 (4.07) | 6 (1.89) |  |
Educational level | Â | Â | 0.057 |
  Senior high school or lower | 58 (5.89) | 10 (3.15) |  |
  Beyond senior high school | 926 (94.11) | 307 (96.85) |  |
Annual household income (CNY) | Â | Â | 0.383 |
  < 200,000 | 366 (37.20) | 106 (33.44) |  |
  200,000–300,000 | 297 (30.18) | 107 (33.75) |  |
  > 300,000 | 321 (32.62) | 104 (32.81) |  |
Exercise status in the 1st trimester | |||
  Never | 384 (39.02) | 119 (37.54) | 0.893 |
  Less than once a week | 362 (36.79) | 119 (37.54) |  |
  More than once a week | 238 (24.19) | 79 (24.92) |  |
Exercise status in the 2nd trimester | |||
  Never | 450 (45.73) | 145 (45.74) | 0.809 |
  Less than once a week | 175 (17.78) | 61 (19.24) |  |
  More than once a week | 359 (36.48) | 111 (35.02) |  |
Exercise status in the 3rd trimester | |||
  Never | 383 (38.92) | 123 (38.80) |  < 0.001 |
  Less than once a week | 154 (15.65) | 78 (24.61) |  |
  More than once a week | 447 (45.43) | 116 (36.59) |  |