Table 6.
SF < 15 µg/L | ||||
Serum ferritin levels | β | SE | p | Model |
Crude model | −0.24 | 0.14 | 0.083 | R2 = 0.061 p = 0.083 |
b Adjusted model | −0.39 | 0.15 | 0.014 | R2 = 0.344 p = 0.021 |
Iron deficiency (0:no, 1:yes) | OR | 95% CI | p | Model |
Crude model | 6.11 | 0.60–62.23 | 0.126 | R2 Nagelkerke = 0.163 p = 0.085 |
b Adjusted model | 42.09 | 0.00–50.00 | 0.614 | R2 Nagelkerke = 0.924 p = 0.001 |
SF ≥ 15 µg/L | ||||
Hemoglobin levels | β | SE | p | Model |
Crude model | –1.75 | 1.54 | 0.260 | R2 = 0.002 p = 0.260 |
a Adjusted model | –2.00 | 1.56 | 0.200 | R2 = 0.184 p < 0.001 |
Serum ferritin levels | β | SE | p | Model |
Crude model | 0.06 | 0.08 | 0.455 | R2 = −0.002 p = 0.455 |
b Adjusted model | 0.08 | 0.09 | 0.368 | R2 = 0.077 p = 0.008 |
Anemia (0:no, 1:yes) | OR | 95% CI | p | Model |
Crude model | 1.34 | 0.43–4.20 | 0.611 | R2 Nagelkerke = 0.004 p = 0.611 |
a Adjusted model | 1.02 | 0.20–5.10 | 0.984 | R2 Nagelkerke = 0.383 p = 0.007 |
Iron–deficiency anemia (0:no, 1:yes) | OR | 95% CI | p | Model |
Crude model | 1.63 | 0.50–5.39 | 0.421 | R2 Nagelkerke = 0.010 p = 0.417 |
a Adjusted model | 1.02 | 0.20–5.10 | 0.984 | R2 Nagelkerke = 0.383 p = 0.007 |
Hemoconcentration (0:no, 1:yes) | OR | 95% CI | p | Model |
Crude model | 0.46 | 0.20–1.06 | 0.068 | R2 Nagelkerke = 0.035 p = 0.061 |
a Adjusted model | 0.25 | 0.07–0.85 | 0.027 | R2 Nagelkerke = 0.261 p = 0.001 |
a Adjusted for: iron supplementation dosage, maternal age, use of hormonal contraception, pre–pregnancy maternal body mass index, gestational weight gain, HFE gene genotypes, maternal ethnic origin, hemoglobin on week 12, C–reactive protein on week 12, socioeconomic status, weekly mean of METS on week 12, smoking habit, alcohol intake, planned pregnancy, parity, mean caloric intake during pregnancy, and adherence to a Mediterranean diet. b Adjusted for: model a, except for hemoglobin on week 12.