Table 1.
Baseline characteristics
| Women exposed to oral cholera vaccine (n=835) | Women not exposed to oral cholera vaccine (n=835) | p value* | |
|---|---|---|---|
| At least primary schooling | 295 (35%) | 279 (33%) | 0·40 |
| Electricity in the house | 60 (7%) | 36 (4%) | 0·0116 |
| Owns house | 745 (89%) | 756 (91%) | 0·37 |
| Drank coffee or tea during pregnancy | 396 (47%) | 610 (73%) | <0·0001 |
| Drank alcohol during pregnancy | 9 (1%) | 7 (1%) | 0·61 |
| Took illegal drugs during pregnancy | 20 (2%) | 6 (1%) | 0·0057 |
| Smoked cigarettes during pregnancy | 4 (<1%) | 3 (<1%) | 0·70 |
| Had history of pregnancy loss | 139 (17%) | 123 (15%) | 0·28 |
| Enrolled after delivery | 361 (43%) | 327 (39%) | 0·09 |
| Age (years) | 25·93 (6·51) | 25·75 (6·81) | 0·58 |
| Linear distance from household to the nearest health-care facility (km) | 3·60 (3·57) | 5·62 (3·38) | <0·0001 |
| Gestational age at enrolment (weeks) | 34·72 (10·16) | 33·94 (9·69) | 0·11 |
| Gestational age at the start of vaccination (March 30, 2015) (weeks) | 19·75 (9·81) | 19·39 (9·46) | 0·45 |
Data are n (%) or mean (SD).
*
p values derived from χ2 test for categorical variables and t test for continuous variables.