Table 2.
Folate intake from diet and supplements
| All | Spontaneous delivery 37 +0 - 42 +6 | Spontaneous PTD 22 +0 -36 +6 | ||||
|---|---|---|---|---|---|---|
| Folate (μg/d) | Median | IQR | Median | IQR | Median | IQR |
| All women | n = 66014 | n = 51141 | n = 1755 | |||
| Diet | 157 | (126–196) | 157 | (126–196) | 157 | (126–196) |
| Supplements | 143 | (0–400) | 143 | (0–400) | 171 | (0–400) |
| Total intake | 313 | (167–558) | 312 | (167–558) | 322 | (167–568) |
| Supplement users | n = 39600 | n = 30684 | n = 1056 | |||
| Diet | 158 | (127–197) | 158 | (127–197) | 159 | (128–198) |
| Supplements | 400 | (200–429) | 400 | (200–429) | 400 | (200–457) |
| Total intake | 530 | (355–636) | 530 | (355–634) | 541 | (369–651) |
Folic acid supplementation, dietary and total folate intake during the first half of pregnancy (FFQ data) for all 66,014 participants, as well as in folic acid supplement users (n = 39,600), from the Norwegian Mother and Child Cohort Study (2002–2009).