Description of women in the Jundiaí Zika cohort
| Pregnant women (n=737) | |
| Age in years (mean and range) | 27.5 (13–46) |
| Ethnicity White | 53.7 % (n = 368) |
| Mixed race | 34.7 % (n = 238) |
| Black | 9.6 % (n = 66) |
| Asian | 1.6 % (n = 11) |
| Indigenous | 0.3 % (n = 2) |
| Unknown | 7.1% (n=52) |
| Education >12 years | 15.4% (n=106) |
| 12 years | 44.4 % (n = 305) |
| 9–11 years | 23.7 % (n = 163) |
| ≤8 years | 16.4 % (n = 113) |
| Unknown | 6.8 % (n = 50) |
| Married/living with partner | 77.2% (n=569) |
| Biological sample tested for ZIKV RT-PCR during pregnancy | 94.3% (n=695) |
| Positive maternal urine ZIKV RT-PCR during pregnancy | 7.6% (n=53) |
| Lost to follow-up before birth outcome | 3.5% (n=26) |
| Maternal deaths | 0.1% (n=1) |
| Women with live births (of those followed up) | 97.6% (n=687) |
| Foetal deaths | 3.2% (n=23) |
*Note: Percentages for all categories were calculated with exclusion of those with missing data from the denominator.
RT-PCR, reverse transcription polymerase chain reaction; ZIKV, Zika virus.