Characteristics | Total | Boys | Girls | p-value |
---|---|---|---|---|
N (%) | 898(100) | 469(52.2) | 429(47.8) | |
Age, years | 15.1(2.1) | 15.3(2.0) | 14.9(2.2) | 0.004 |
Weight, kg | 53.5(8.5) | 56.0(9.3) | 50.8(6.5) | < 0.001 |
Height, cm | 167.1(8.8) | 171.2(9.0) | 162.5(5.8) | < 0.001 |
BMI, kg/m2 | 19.1(2.0) | 19.0(2.0) | 19.2(2.0) | 0.019 |
WC, cm | 70.9(5.9) | 70.3(6.0) | 71.6(5.7) | 0.001 |
Blood pressure | ||||
SBP, mm Hg | 111.4(10.0) | 113.9(10.3) | 108.5(8.8) | < 0.001 |
DBP, mm Hg | 68.1(7.3) | 67.9(7.4) | 68.3(7.1) | 0.460 |
Abnormal BP n (%) | 171(19.0) | 78(45.6) | 93(54.4) | 0.054 |
Body fat variables | ||||
BFM, kga | 10.1(6.8, 13.7) | 7.4(5.5, 10.2) | 12.8(10.3, 16.3) | < 0.001 |
FMP, %a | 19.2(13.0, 25.7) | 13.5(10.6, 17.3) | 25.6(21.4, 29.5) | < 0.001 |
VFLa | 4.0(2.0, 5.0) | 2.0(2.0, 4.0) | 5.0(4.0, 6.0) | < 0.001 |
VFL/FMPa ratio, %a | 19.2(13.0, 22.3) | 18.2(14.7, 22.4) | 19.6(17.5, 22.3) | < 0.001 |
LBM, kga | 41.3(36.9,48.8) | 48.5(43.3,53.1) | 37.6(35.1,40.2) | < 0.001 |
Smoking, n (%) | ||||
Never | 624(78.3) | 259(64.0) | 365(93.1) | < 0.001 |
Try | 124(15.6) | 100(24.7) | 24(6.1) | |
Current | 49(6.1) | 46(11.4) | 3(0.8) | |
Drinking, n (%) | ||||
Never | 481(60.4) | 205(50.9) | 276(70.2) | < 0.001 |
Try | 221(27.8) | 134(33.3) | 87(22.1) | |
Current | 94(11.8) | 64(15.9) | 30(7.6) |