Table 1.
Participant characteristics by Plasmodium exposure
| Characteristic | No malaria | P. falciparum | P. vivax |
|---|---|---|---|
| Number | 19,424 | 1047 | 1733 |
| Maternal age, years, mean (SD) | 26.2 (6.5) | 25.2 (6.2) | 25.4 (6.7) |
| Gravidity, n (%) | |||
| Primi | 4898 (25.2%) | 270 (25.8%) | 507 (29.3%) |
| Multi | 14,526 (74.8%) | 777 (74.2%) | 1226 (70.7%) |
| Refugee status, n (%) | |||
| Refugee | 14,393 (74.1%) | 592 (56.5%) | 707 (40.8%) |
| Migrant | 4450 (22.9%) | 362 (34.6%) | 951 (54.9%) |
| Visitor (to refugee camp) | 580 (3.0%) | 93 (8.9%) | 75 (4.3%) |
| EGA first ANC, weeks, median (range) | 9 (−1–14)a | 10 (0–14) | 9 (0–14) |
| Anemia at first ANC, n (%) | |||
| None | 17,652 (95.5%) | 777 (83.9%) | 1569 (92.9%) |
| Moderate | 825 (4.5%) | 148 (16.0%) | 120 (7.1%) |
| Severe | 3 (0.02%) | 1 (0.1%) | 0 (0%) |
| First trimester weight, kg, mean (SD) | 48.0 (7.7) | 46.5 (6.1) | 46.7 (6.8) |
| Weight gain, kg, mean (SD) | 9.0 (3.9) | 8.0 (3.6) | 8.2 (3.6) |
| Chronic HTN, n (%) | |||
| No | 19,266 (99.2%) | 1040 (99.3%) | 1723 (99.4%) |
| Yes | 158 (0.8%) | 7 (0.7%) | 10 (0.6%) |
| Number of consultations, median (range) | 20 (1–43) | 19 (1–37) | 22 (1–38) |
| Year of delivery, median (range) | 2007 (1986–2016) | 2000 (1987–2015) | 2006 (1987–2016) |
| EGA delivery, weeks, median (range) | 39 (28–44) | 39 (28–45) | 39 (28–44) |
| Place of delivery | |||
| Home | 4920 (25.3%) | 576 (55.0%) | 730 (42.1%) |
| SMRU | 12,909 (66.5%) | 441 (39.3%) | 815 (47.0%) |
| Hospital | 1595 (8.2%) | 60 (5.7%) | 188 (10.9%) |
SD standard deviation, EGA estimated gestational age, ANC antenatal clinic, HTN hypertension, SMRU Shoklo Malaria Research Unit (SMRU)
a(−1) permitted given known margins of error of this measurement