Table 3.
Crude and adjusted models to evaluate the association between the value of the second measurement of maternal hemoglobin (Hb) and stillbirths in women with normal hemoglobin levels (11–14.5 g/dL) at first booking in Peru.
| Maternal Hb (g/dL) | Sample N |
Stillbirths (n = 846) | |||||
|---|---|---|---|---|---|---|---|
| n | % | Crude OR | Adjusted OR | CI at 95% | |||
| <9 | 2,575 | 68 | 2.64 | 3.06* | 2.76* | 2.11 | 3.62 |
| 9–10.9 | 16,576 | 140 | 0.84 | 0.96 | 1.02 | 0.84 | 1.25 |
| 11–14.5 | 67,022 | 587 | 0.88 | 1.0 | 1.0 | ||
| >14.5 | 3,121 | 51 | 1.63 | 1.88* | 1.48* | 1.09 | 2.04 |
*Crude OR P < 0.05. Model adjusted for gestational age at first Hb, maternal age, altitude, maternal education, marital status, body mass index, antenatal care, parity, gestational diabetes, and cardiopathy (current pregnancy).