Table 1.
Demographic and clinical factors of mothers at delivery according to their parity
| All (n = 207) | Primigravida (n = 57) | Secundigravida (n = 47) | Multigravida (n = 103) | p | |
|---|---|---|---|---|---|
| Placental infection, n (%) | 47a (23) | 21 (37) | 9 (19) | 17 (17) | 0.013 |
| Peripheral infection, n (%) | 42 (20) | 14 (25) | 7 (15) | 21 (20) | 0.473 |
| Cord infection, n (%) | 8 (4) | 2 (4) | 1 (2) | 5 (5) | 0.895 |
| Placental density | 90.5 (83.9–97.6) | 81.1 (63.9–102.8) | 98.55 (97.7–99.5) | 92.6 (85.6–100.1) | 0.166 |
| Peripheral density | |||||
| Microscopy | 3988 (894–17,778) | 6663 (137–323,311) | 3652 | 3058 (507–18,439) | 0.897 |
| PCR | 0.69 (0.25–1.88) | 1.05 (0.15–7.36) | 0.81 (0.02–33.5) | 0.47 (0.12–2.04) | 0.793 |
| Inflammation, n (%) | 10 (5) | 5 (9) | 1 (2) | 4 (4) | 0.270 |
| Age, mean (SD) | |||||
| 15–20 years | 71 (34) | 44 (77) | 24 (51) | 3 (3) | < 0.001 |
| 21–24 years | 58 (28) | 12 (21) | 20 (43) | 26 (25) | |
| ≥ 25 years | 78 (38) | 1 (2) | 3 (6) | 74 (72) | |
| Neighbourhood (< 2.5 km), n (%) | 41 (20) | 14 (25) | 7 (30) | 20 (19) | 0.494 |
| Use of ITN, n (%) | 23 (11) | 3 (5) | 2 (4) | 18 (17) | 0.002 |
| Household IRS, n (%) | 98 (47) | 24 (42) | 21 (45) | 53 (51) | 0.500 |
| Season (dry), n (%) | 58 (28) | 18 (32) | 16 (34) | 24 (23) | 0.295 |
| Low-birth weight, n (%) | 28 (14) | 15 (26) | 6 (13) | 7 (7) | 0.004 |
| Maternal anaemia, n (%) | 87 (42) | 23 (40) | 20 (43) | 44 (43) | 0.792 |
SD standard deviation, ITN insecticide-treated nets, IRS indoor residual spraying
a41 past, 5 acute and 1 chronic infection