| Outcome Variables |
First Trimesterb |
Entire pregnancy periodc |
| LBW vs. NBW |
LBW vs. NBW |
| OR |
95% CI |
OR |
95% CI |
| Sodium |
1.41 |
[1.19-1.68] |
1.35 |
[1.02-1.79] |
| Aluminum |
1.02 |
[0.97-1.06] |
1.08 |
[1.01-1.15] |
| Preterm |
3.08 |
[2.68-3.53] |
3.59 |
[3.14-4.10] |
| Infarction |
2.19 |
[1.41-3.38] |
2.15 |
[1.39-3.32] |
| Tobacco use |
2.27 |
[2.01-2.55] |
2.29 |
[2.04-2.57] |
| High school and above |
0.72 |
[0.65-0.80] |
0.74 |
[0.67-0.82] |
| Black |
2.03 |
[1.84-2.22] |
2.04 |
[1.86-2.23] |
| Married |
0.75 |
[0.68-0.82] |
0.74 |
[0.68-0.81] |
| Gestational Hypertension |
1.74 |
[1.49-2.02] |
1.72 |
[1.48-1.99] |
| Placenta abruption |
2.05 |
[1.56-2.70] |
2.10 |
[1.61-2.74] |
| Male |
0.64 |
[0.59-0.70] |
0.65 |
[0.60-0.70] |
| Placenta previa |
1.43 |
[1.01-2.01] |
1.50 |
[1.07-2.09] |
| Preeclampsia |
2.82 |
[2.47-3.22] |
2.83 |
[2.49-3.21] |
| Gestation in weeks |
0.52 |
[0.50-0.54] |
0.55 |
[0.53-0.57] |
| Pre pregnancy BMI |
0.96 |
[0.95-0.97] |
0.96 |
[0.95-0.97] |
| Diabetes mellitus |
0.58 |
[0.40-0.85] |
0.69 |
[0.48-0.98] |
| Temperature |
1.00 |
[0.99-1.02] |
|
NA |
OR: Odds Ratio; CI: Confidence Interval; LBW: Low Birth Weight; NBW: Normal
Birth Weight
bAdjusted maternal characteristics and labor complications for first trimester.
cAdjusted maternal characteristics and labor complications for average pregnancy
period. |
