Table 2.
Maternal and newborn characteristics in all women and according to quartiles of energy-adjusted dietary acrylamide intake during pregnancy.
| Characteristic | All women (n = 50,651) | Quartile 1a | Quartile 2a | Quartile 3a | Quartile 4a | p-Valueb |
|---|---|---|---|---|---|---|
| Range of acrylamide intake (g/day) | < 8.5 | 8.5–11.1 | 11.1–14.3 | > 14.3 | ||
| Maternal weight gain (kg) | 14.9 ± 6.2 | 14.9 ± 6.0 | 14.9 ± 5.9 | 15.0 ± 5.9 | 14.9 ± 6.2 | 0.525 |
| Gestational age (weeks) | 39.5 ± 1.7 | 39.5 ± 1.9 | 39.5 ± 1.7 | 39.5 ± 1.7 | 39.5 ± 1.7 | 0.676 |
| Birth weight (g) | 3600.6 ± 539.0 | 3612.2 ± 533.9 | 3602.1 ± 538.8 | 3597.0 ± 541.0 | 3591.0 ± 541.9 | 0.014 |
| SGA | 5,188 (10.2) | 1,216 (9.6) | 1,270 (10.0) | 1,311 (10.3) | 1,391 (11.0) | 0.003 |
| Sex (male) | 25,906 (51.1) | 6,490 (51.2) | 6,393 (50.5) | 6,466 (51.1) | 6,557(51.8) | 0.224 |
| Values are mean ± SD or n (%). aRange of acrylamide intake in ng/kcal/day. bChi-square or Kruskal–Wallis tests. | ||||||