Table 2 Basic anthropometric/demographic characteristics of the study subjects
From: Estimated dietary iodine intake as a predictor of placental size: evidence from the ELSPAC study
variable | unit | mean | sd | median | 5th perc. | 95th perc. | min | max |
|---|---|---|---|---|---|---|---|---|
Iodine intake | μg/day | 106.6 | 42.4 | 101.1 | 49.2 | 175.6 | 6.7 | 612.5 |
Family income | CZK/month | 5490 | 2490 | 5000 | 2600 | 9000 | 1500 | 48,000 |
Equalized family size | person | 2.2 | 0.6 | 2.1 | 1.8 | 3.3 | 1.0 | 10.5 |
Equivalized family income | CZK/month | 2596 | 1286 | 2478 | 1071 | 4444 | 364 | 26,667 |
Maternal age | y | 25.2 | 4.8 | 24.6 | 18.8 | 34.7 | 15.2 | 48.7 |
Gestational age | week | 39.7 | 1.7 | 39.9 | 36.7 | 41.9 | 23.1 | 44.6 |
Birth length | cm | 50.2 | 2.3 | 50.0 | 46.0 | 53.0 | 30.0 | 59.0 |
Birth weight | g | 3290 | 493 | 3300 | 2500 | 4050 | 600 | 5350 |
Placental weight | g | 587 | 164 | 560 | 380 | 860 | 115 | 1500 |
Head circumference | cm | 34.6 | 1.4 | 35.0 | 32.0 | 37.0 | 23.0 | 43.0 |
Cephalisation index | μm/g | 107.2 | 17.6 | 104.7 | 87.7 | 133.3 | 60.7 | 500.0 |
Ponderal index | kg/m3 | 25.9 | 2.3 | 25.8 | 22.5 | 29.6 | 16.3 | 49.3 |
Birth weight / Placental weight | – | 5.9 | 1.6 | 5.8 | 3.7 | 8.9 | 1.5 | 17.3 |
Maternal height | cm | 166.3 | 6.0 | 167.0 | 157.0 | 176.0 | 135.0 | 189.0 |
Paternal height | cm | 179.6 | 6.8 | 180.0 | 169.0 | 191.0 | 152.0 | 204.0 |
Maternal preconc. weight | kg | 61.0 | 9.9 | 60.0 | 48.0 | 80.0 | 38.0 | 135.0 |
Maternal preconc. BMI | kg/m2 | 22.0 | 3.3 | 21.5 | 18.1 | 28.3 | 15.1 | 46.1 |
Energy intake | kJ/day | 6558 | 2157 | 6272 | 3563 | 10,273 | 2504 | 19,362 |
FS Prudent | – | 0.0 | 1.0 | −0.1 | −1.4 | 1.9 | −2.1 | 3.9 |
FS Carbohydrates | – | 0.0 | 1.0 | −0.1 | −1.5 | 1.8 | −3.1 | 3.5 |
FS Junk food | – | 0.0 | 1.0 | −0.1 | −1.5 | 1.8 | −2.8 | 3.7 |