Table 4.
Association of Plasmodium falciparum infection at antenatal enrolment and at delivery and anaemia (haemoglobin < 110 g/L) at delivery
| Infection status | % (N/N total) | Adjusted odds ratioa | 95% confidence interval | P |
|---|---|---|---|---|
| P. falciparum infection at enrolment (n = 1832) | ||||
| No infection | 73.9 (1218/1649) | |||
| Submicroscopic infection | 69.2 (63/91) | 0.78 | (0.49, 1.24) | 0.29 |
| Microscopic infection | 85.9 (79/92) | 2.00 | (1.09, 3.67) | 0.025 |
| P. falciparum infection at delivery (peripheral blood) (n = 1756) | ||||
| No infection | 74.2 (1261/1700) | |||
| Submicroscopic infection | 79.2 (19/24) | 1.15 | (0.42, 3.16) | 0.79 |
| Microscopic infection | 78.1 (25/32) | 1.15 | (0.49, 2.72) | 0.75 |
| P. falciparum infection at delivery (placental blood) (n = 1174) | ||||
| No infection | 71.7 (815/1137) | |||
| Submicroscopic infection | 71.4 (10/14) | 0.87 | (0.27, 2.81) | 0.81 |
| Microscopic infection | 78.3 (18/23) | 1.28 | (0.47, 3.53) | 0.63 |
a Adjusted for treatment arm, gravidity, betel nut consumption, number of study visits, enrolment clinic, bed net use, nutritional status, stunting, socio-economic status and timing of haemoglobin measurement