Table 3.
Sex-specific anthropometric characteristics from birth up to 15–17 years of age for normal weight and overweight/obese 15–17-year-olds in the Tromsø Study, Fit Futures (n=961)*
| Girls | Boys | |||||||
| Normal weight | Overweight/obese | Normal weight | Overweight/obese | |||||
| Mean | 95 % CI | Mean | 95 % CI | Mean | 95 % CI | Mean | 95 % CI | |
|---|---|---|---|---|---|---|---|---|
| Birth weight (g) | 3418.0 | (3358.1 to 3478.2) | 3576.0 | (3462.0 to 3689.5) | 3597.0 | (3535.5 to 3659.0) | 3622.0 | (3522.2 to 3721.4) |
| Birth weight SDS | −0.67 | (−0.86 to −0.49) | −0.24 | (−0.52 to −0.04) | −0.25 | (−0.39 to −0.11) | −0.19 | (−0.41 to 0.03) |
| Birth length (cm) | 49.2 | (48.9 to 49.4) | 49.7 | (49.2 to 50.1) | 50.1 | (49.9 to 50.4) | 50.1 | (49.7 to 50.6) |
| Ponderal index (kg/m3) | 28.55 | (28.24 to 28.85) | 29.03 | (28.44 to 29.62) | 28.34 | (28.04 to 28.64) | 28.61 | (28.14 to 29.08) |
| Weight 2–4 years (kg) | 13.2 | (13.0 to 13.4) | 14.2 | (13.8 to 14.6) | 14.0 | (13.8 to 14.2) | 14.3 | (13.9 to 14.7) |
| Weight SDS† 2–4 years | −0.23 | (−0.36 to −0.09) | 0.23 | (−0.02 to 0.48) | 0.09 | (−0.04 to 0.22) | 0.42 | (0.14 to 0.69) |
| Height 2–4 years (cm) | 90.8 | (90.3 to 91.2) | 91.8 | (90.8 to 92.9) | 92.6 | (92.4 to 93.3) | 92.3 | (91.4 to 93.2) |
| BMI 2–4 years (kg/m2) | 16.00 | (15.84 to 16.16) | 16.84 | (16.53 to 17.15) | 16.25 | (16.10 to 16.40) | 16.73 | (16.43 to 17.04) |
| Weight 5–7 years (kg) | 20.8 | (20.5 to 21.1) | 24.6 | (23.6 to 25.5) | 21.5 | (21.2 to 21.8) | 24.2 | (23.4 to 25.1) |
| Weight SDS† 5–7 years | −0.27 | (−0.37 to −0.17) | 0.80 | (0.57 to 1.02) | −0.09 | (−0.19 to 0.001) | 0.75 | (0.54 to 0.97) |
| Height 5–7 years (cm) | 116.2 | (115.6 to 116.7) | 117.5 | (116.3 to 118.7) | 117.9 | (117.4 to 118.5) | 118.9 | (117.9 to 119.9) |
| BMI 5–7 years (kg/m2) | 15.41 | (15.25 to 15.57) | 17.69 | (17.16 to 18.22) | 15.44 | (15.30 to 15.58) | 17.05 | (16.59 to 17.51) |
| Weight 15–17 years (kg) | 56.8 | (56.2 to 57.5) | 76.8 | (74.3 to 79.4) | 64.4 | (63.6 to 65.3) | 88.9 | (86.2 to 91.6) |
| Height 15–17 years (cm) | 165.0 | (164.4 to 165.7) | 164.3 | (162.9 to 165.6) | 176.9 | (176.2 to 177.5) | 177.0 | (175.8 to 178.3) |
| BMI 15–17 years (kg/m2) | 20.84 | (20.65 to 21.03) | 28.42 | (27.59 to 29.25) | 20.57 | (20.36 to 20.78) | 28.30 | (27.59 to 29.01) |
*Analysed in the dataset with 20 imputations (multiple imputation), n=961 (469 girls and 492 boys).
†SDS, SD scores according to Norwegian reference data.23
BMI, body mass index.
Numbers in italic type are significant (p<0.05).