- Combining the estimated daily folate intake from diet with the estimated daily dose from vitamins showed modest risk reductions of 20% and 30% for daily intakes of 0.40-0.99 mg and >1.0 mg respectively
- These risk reductions were further diminished when data were adjusted
- All estimates had 95% confidence intervals that overlapped with the null
- 8 women without food frequency data and five women without obesity values were excluded
†Adjusted for maternal age, education, obesity, and previous still birth or child birth
‡Referent