Table 2 Relationship between mean haemoglobin (Hb) and gravidity throughout pregnancy in south Benin
From: Malaria and gravidity interact to modify maternal haemoglobin concentrations during pregnancy
Gravidity | Hb (g / L) | Crude difference* (g / L) | Adjusted difference*§ (g / L) | ||||
|---|---|---|---|---|---|---|---|
Mean | CI95% | P value | Mean | CI95% | P value | ||
ANV1 | |||||||
Primigravidae (n = 786) | 100.9 | −3.1 | [-4.1, -2.0] | < 0.0001 | −2.4 | [-3.4, -1.4] | < 0.001 |
Multigravidae (n = 2733) | 104.0 | ||||||
ANV2 | |||||||
Primigravidae (n = 721) | 105.0 | 0.8 | [-0.1, 1.9] | 0.09 | 1.0 | [0.004, 2.0] | 0.049 |
Multigravidae (n = 2520) | 104.2 | ||||||
Delivery | |||||||
Primigravidae (n =588) | 113.8 | 2.1 | [0.7, 3.4] | 0.004 | 2.8 | [1.3, 4.2] | < 0.001 |
Multigravidae (n =2241) | 111.7 | ||||||