Variable | Categories | N | % | HEI-NFG score1 | HEI-NNR score1 |
---|---|---|---|---|---|
Maternal age at delivery | ≤ 19 years | 394 | 0.8 | 46.6 (7.7) | 45.1 (3.2) |
20-24Â years | 4 884 | 10.4 | 47.4 (7.7) | 45.7 (3.0) | |
25-29Â years | 16 282 | 34.6 | 49.4 (7.3) | 46.3 (2.6) | |
30-34Â years | 17 679 | 37.6 | 50.4 (7.2) | 46.6 (2.4) | |
35-39Â years | 6 846 | 14.6 | 51.0 (7.1) | 46.9 (2.2) | |
≥ 40 years | 926 | 2.0 | 52.0 (7.1) | 46.9 (2.2) | |
Pre-pregnancy BMI | < 18.5 kg/m2 | 1 346 | 2.9 | 49.6 (7.6) | 45.9 (2.7) |
18.5-24.9Â kg/m2 | 31 012 | 66.0 | 50.2 (7.2) | 46.4 (2.5) | |
25-29.9Â kg/m2 | 10 316 | 21.9 | 49.2 (7.4) | 46.3 (2.6) | |
30-34.9Â kg/m2 | 3 195 | 6.8 | 48.7 (7.4) | 46.3 (2.7) | |
≥ 35 kg/m2 | 1 142 | 2.4 | 48.6 (7.4) | 46.2 (2.8) | |
Gestational weight gain | < 10 kg | 7 253 | 15.4 | 49.5 (7.5) | 46.1 (2.8) |
10-15Â kg | 19 655 | 41.8 | 50.1 (7.2) | 46.5 (2.5) | |
16-19Â kg | 10 692 | 22.7 | 49.9 (7.2) | 46.5 (2.5) | |
≥ 20 kg | 9 411 | 20.0 | 49.3 (7.4) | 46.5 (2.5) | |
Maternal education | < 12 years | 2 766 | 5.9 | 47.7 (7.9) | 45.6 (3.1) |
12Â years | 11 488 | 24.4 | 48.4 (7.5) | 45.9 (2.8) | |
13-16Â years | 20 220 | 43.0 | 50.0 (7.1) | 46.5 (2.4) | |
17+ years | 11 570 | 24.6 | 51.5 (6.9) | 46.8 (2.2) | |
Other/missing | 967 | 2.1 | 49.4 (7.1) | 46.1 (2.7) | |
Household income | Both incomes < 300 000 NOK | 13 651 | 29.0 | 48.9 (7.4) | 46.1 (2.7) |
One income ≥ 300 000 NOK | 19 709 | 41.9 | 49.8 (7.3) | 46.4 (2.5) | |
Both incomes ≥ 300 000 NOK | 12 476 | 26.5 | 50.9 (7.0) | 46.7 (2.3) | |
Missing data | 1 175 | 2.5 | 49.4 (7.7) | 46.0 (2.8) | |
Marital status | Married | 21 675 | 46.1 | 50.4 (7.2) | 46.6 (2.4) |
Single, widow | 1 003 | 2.1 | 48.9 (7.9) | 45.7 (3.1) | |
Cohabitants | 23 644 | 50.3 | 49.3 (7.4) | 46.2 (2.6) | |
Other or not known | 689 | 1.5 | 49.6 (7.6) | 45.9 (2.9) | |
Parity | Primiparous | 25 797 | 54.9 | 49.7 (7.4) | 46.3 (2.6) |
1 previous pregnancy | 13 783 | 29.3 | 49.7 (7.3) | 46.4 (2.5) | |
2 previous pregnancies | 6 020 | 12.8 | 50.5 (7.1) | 46.6 (2.4) | |
≥ 3 previous pregnancies | 1 375 | 2.9 | 50.6 (7.4) | 46.6 (2.4) | |
Missing data | 36 | 0.1 | 50.6 (8.2) | 46.7 (2.3) | |
Birth weight | < 2 500 g | 1 204 | 2.6 | 48.8 (7.6) | 46.1 (2.7) |
≥ 2 500 g | 45 807 | 97.4 | 49.8 (7.3) | 46.4 (2.5) | |
Breastfeeding duration (up to 6 months postpartum) | None or < 1 month | 1 519 | 3.2 | 48.0 (7.7) | 45.9 (2.8) |
1-3Â months | 4 273 | 9.1 | 48.0 (7.6) | 45.8 (2.9) | |
4-5Â months | 2 600 | 5.5 | 48.8 (7.6) | 46.0 (2.8) | |
6Â months | 38 619 | 82.2 | 50.2 (7.2) | 46.5 (2.4) | |
Exercise during pregnancy (week 17) | No | 6 486 | 13.8 | 47.3 (7.5) | 45.7 (3.0) |
Less than weekly | 9 346 | 19.9 | 48.7 (7.0) | 46.2 (2.6) | |
1-2 times weekly | 14 109 | 30.0 | 50.2 (7.1) | 46.5 (2.4) | |
≥ 3 times weekly | 13 590 | 28.9 | 51.6 (7.1) | 46.8 (2.3) | |
Missing data | 3 480 | 7.4 | 48.9 (7.6) | 46.1 (2.7) | |
Smoking during pregnancy | No smoking during pregnancy | 43 041 | 91.6 | 50.0 (7.2) | 46.5 (2.5) |
Occasional | 1 247 | 2.7 | 48.4 (7.8) | 45.8 (2.8) | |
Daily | 2 420 | 5.2 | 46.4 (7.8) | 45.2 (3.2) | |
Missing | 303 | 0.6 | 49.6 (7.7) | 46.1 (3.0) | |
Alcohol during pregnancy (week 22) | Never | 41 503 | 88.3 | 49.7 (7.3) | 46.4 (2.6) |
< 0.5 times per week | 4 588 | 9.8 | 50.5 (7.1) | 46.5 (2.4) | |
≥ 0.5 times per week | 920 | 2.0 | 50.4 (7.1) | 46.4 (2.5) |