Trimester
|
Second vs. First
|
4.11 (3.02–5.57)
|
4.99 (3.13–7.95)
|
Third vs. First
|
6.10 (4.52–8.22)
|
11.72 (7.43–18.49)
|
Maternal age (≥35 vs. < 35 years)
|
1.22 (1.06–1.40)
|
–
|
Local residents (No vs. Yes)
|
1.18 (1.02–1.36)
|
1.20 (1.02–1.42)
|
Multiple gestations (Yes vs. No)
|
1.54 (1.13–2.09)
|
1.90 (1.38–2.62)
|
Parity (Multiparity vs. Nulliparity)
|
1.18 (1.06–1.31)
|
1.28 (1.14–1.44)
|
Pre-pregnancy BMI
|
Underweight vs. Normal weight
|
1.32 (1.17–1.49)
|
1.30 (1.13–1.49)
|
Overweight and obese vs. Normal weight
|
0.67 (0.57–0.80)
|
0.62 (0.51–0.77)
|
NVP
|
Slight vs. No
|
1.05 (0.93–1.18)
|
1.06 (0.93–1.22)
|
Severe vs. No
|
1.21 (1.04–1.41)
|
1.21 (1.02–1.44)
|
Intake of multivitamins (Yes vs. No)
|
0.58 (0.52–0.65)
|
0.49 (0.43–0.55)
|
IDA before pregnancy (Yes vs. No)
|
2.92 (2.41–3.54)
|
2.81 (2.28–3.48)
|
Other hematologic diseases (Yes vs. No)
|
8.25 (5.19–13.13)
|
2.00 (1.25–3.20)
|
Meat intake (kg/week)
|
0.81 (0.68–0.96)
|
0.80 (0.65–0.98)
|