Table 1.
Distribution of the characteristics of the study population by maternal COVID-19 status in Wuhan, China
| Variables | COVID-19 status | P | |
|---|---|---|---|
| Free | Confirmed | ||
| Age range, years | .60 | ||
| < 25 | 805 (7) | 4 (6) | |
| 25–34 | 8610 (78) | 54 (83) | |
| ≥ 35 | 1598 (15) | 7 (11) | |
| Education levels | < 0.001 | ||
| Bachelor’s degree or above | 3179 (29) | 42 (65) | |
| High school | 1634 (15) | 5 (7) | |
| Vocation degree | 1952 (18) | 7 (11) | |
| Middle school or below | 2359 (21) | 8 (12) | |
| Missing | 1889 (17) | 3 (5) | |
| Occupation | .04 | ||
| Employed | 3874 (35) | 33 (51) | |
| Housewives | 4001 (36) | 20 (31) | |
| Part-time | 3138 (29) | 12 (18) | |
| Gravidity | .99 | ||
| 1 | 4658 (42) | 27 (42) | |
| 2 | 3182 (29) | 19 (29) | |
| ≥ 3 | 3173 (29) | 19 (29) | |
| Parity | .36 | ||
| 1 | 6425 (58) | 41 (63) | |
| 2 | 4318 (39) | 21 (32) | |
| ≥ 3 | 27 (3) | 3 (5) | |
| History of abortion | .57 | ||
| 0 | 6692 (61) | 37 (57) | |
| 1–2 | 3794 (34) | 23 (35) | |
| ≥ 3 | 527 (5) | 5 (8) | |
| Gestational hypertension | .44 | ||
| Yes | 325 (3) | 3 (5) | |
| No | 10,688 (97) | 62 (95) | |
| Preeclampsia | .39 | ||
| Yes | 83 (1) | 1 (1) | |
| No | 10,930 (99) | 64 (99) | |
| Gestational diabetes mellitus | .07 | ||
| Yes | 1207 (11) | 3 (5) | |
| No | 9806 (89) | 62 (95) | |