Table 1 Sociodemographic characteristics and vaccination status of pregnant women admitted with SARS-CoV-2, by symptom group, March 1, 2020, to March 31, 2022, United Kingdom
From: Perinatal outcomes after admission with COVID-19 in pregnancy: a UK national cohort study
Symptom group | Asymptomatic (N = 9374) | Mild infection (N = 4901) | Moderate to severe infectiona (N = 2352) |
|---|---|---|---|
Age (years)—no. (%) | |||
<20 | 231 (2.5) | 100 (2.0) | 21 (0.9) |
20-34 | 6685 (71.5) | 3583 (73.2) | 1544 (65.8) |
≥35 | 2438 (26.1) | 1210 (24.7) | 782 (33.3) |
Missing | 20 | 8 | 5 |
Body Mass Index (BMI) (kg/m2) - no. (%) | |||
Underweight (<18.5) | 229 (2.5) | 101 (2.1) | 17 (0.8) |
Normal (18.5 to <25) | 3599 (39.7) | 1829 (38.5) | 529 (23.4) |
Overweight (25 to <30) | 2702 (29.8) | 1467 (30.9) | 714 (31.6) |
Obese ( ≥ 30) | 2528 (27.9) | 1357 (28.5) | 1000 (44.3) |
Missing | 316 | 147 | 92 |
Woman or partner in paid work - no. (%) | 7010 (74.8) | 3788 (77.3) | 1791 (76.2) |
Ethnic Group - no. (%) | |||
White | 6107 (66.7) | 3134 (65.4) | 1350 (58.9) |
Asian | 1689 (18.5) | 934 (19.5) | 519 (22.6) |
Black | 825 (9.0) | 418 (8.7) | 254 (11.1) |
Chinese/Other | 282 (3.1) | 178 (3.7) | 110 (4.8) |
Mixed | 249 (2.7) | 129 (2.7) | 59 (2.6) |
Missing | 222 | 108 | 60 |
Current smoking - no. (%) | 1547 (17.0) | 626 (13.1) | 178 (7.8) |
Missing | 294 | 138 | 68 |
Vaccination status - no. (%) | |||
Unvaccinated | 6099 (65.1) | 3424 (69.9) | 1785 (75.9) |
1 dose | 620 (6.6) | 271 (5.5) | 72 (3.1) |
2 doses | 835 (8.9) | 290 (5.9) | 41 (1.7) |
3 doses | 140 (1.5) | 53 (1.1) | 4 (0.2) |
Not known/ not documented | 1680 (17.9) | 863 (17.6) | 450 (19.1) |