Table 1 Characteristics of cases and controls in pregnant women aged 18–49 years in Brazil
Characteristics | Test positive | Test negative |
|---|---|---|
Vaccination status | ||
Not vaccinated | 6886 (92.75) | 10,919 (87.96) |
Single dose, within 0-13 days | 169 (2.28) | 284 (2.29) |
Single dose, ≥ 14 days | 156 (2.10) | 386 (3.11) |
Two doses, within 0–13 days | 45 (0.61) | 192 (1.55) |
Two doses, ≥ 14 days | 168 (2.26) | 633 (5.10) |
Age group | ||
< 20 | 406 (5.47) | 940 (7.57) |
20–34 | 5606 (75.51) | 9629 (77.57) |
35+ | 1412 (19.02) | 1845 (14.86) |
Missing | – | – |
Self-reported race | ||
White | 2787 (43.75) | 5226 (47.93) |
Mixed Brown | 3085 (48.43) | 4830 (44.30) |
Black | 390 (6.12) | 689 (6.32) |
Others | 108 (1.70) | 158 (1.45) |
Missing | 1054 | 1511 |
Reported co-morbidities | ||
Yes | 554 (7.46) | 767 (6.18) |
No | 6870 (92.54) | 11,647 (93.82) |
Missinga | – | – |
Previous COVID-19-like event notified to surveillance | ||
Yes | 2447 (32.96) | 5145 (41.45) |
No | 4977 (67.04) | 7269 (58.55) |
Missing | – | – |
Brazilian Deprivation Index | ||
1 (most deprived) | 1940 (26.13) | 3634 (29.29) |
2 | 1638 (22.07) | 2949 (23.77) |
3 | 1502 (20.23) | 2269 (18.29) |
4 | 1293 (17.42) | 2039 (16.43) |
5 (less deprived) | 1050 (14.15) | 1518 (12.23) |
Missing | 1 | 5 |
Region of residence | ||
North | 349 (4.70) | 623 (5.02) |
Northeast | 1663 (22.40) | 2244 (18.08) |
South | 734 (9.89) | 2136 (17.21) |
Southeast | 3981 (53.62) | 6444 (51.92) |
Midwest | 697 (9.39) | 965 (7.77) |
Missing | – | 2 |