Table 1—

LBW effect by cohort

LBW
NBW
LBW versus NBW corr. P value
Cohort 1Cohort 2Cohort 1Cohort 2
Demographics21141920
    Age (years)19.0 ± 0.022.9 ± 0.819.0 ± 0.022.4 ± 0.5
    Birth weight (g)2,702 ± 2022,764 ± 1093,801 ± 98.73,965 ± 162
    Height (cm)178.1 ± 3.9181.4 ± 7.6181.1 ± 5.1*186.2 ± 7.60.01
    Weight (kg)73.9 ± 8.777.3 ± 10.373.3 ± 9.677.7 ± 9.20.96
    BMI (kg/m2)23.3 ± 2.823.5 ± 3.422.3 ± 2.422.5 ± 3.00.13
    Waist (cm)80.7 ± 7.283.4 ± 8.178.0 ± 4.982.5 ± 8.40.25
    Hip (cm)99.0 ± 5.199.3 ± 6.997.9 ± 5.198.1 ± 6.00.40
    Waist-to-hip ratio0.81 ± 0.040.84 ± 0.040.81 ± 0.060.84 ± 0.070.76
    Systolic blood pressure (mmHg)111.3 ± 11.7120.0 ± 8.4114.0 ± 11.3121.5 ± 11.50.42
    Diastolic blood pressure (mmHg)65.5 ± 8.963.9 ± 10.367.6 ± 10.167.2 ± 8.90.30
    Fasting plasma glucose (mM)5.6 ± 0.45.7 ± 0.35.4 ± 0.45.6 ± 0.40.03
Whole-body estimates
    Total lean mass (g)54,895 ± 4,32754,615 ± 4,40955,986 ± 6,24756,315 ± 5,3840.21
    Total fat mass (g)15,546 ± 6,77919,609 ± 6,93014,382 ± 4,59017,6434 ± 5,7780.29
    Total fat mass (%)20.6 ± 6.724.7 ± 6.019.2 ± 4.222.5 ± 5.40.18
Regional estimates
    Trunk lean mass (g)26,196 ± 2,29226,070 ± 2,20226,392 ± 2,93126,730 ± 2,3510.48
    Trunk fat mass (g)7,597 ± 3,8229,902 ± 4,6066,390 ± 2,4048,688 ± 2,9650.14
    Trunk fat mass (%)21.0 ± 7.525.7 ± 8.418.5 ± 5.023.4 ± 6.20.13
    Abdominal lean mass (g)10,405 ± 76410,388 ± 1,15710,910 ± 1,18510,957 ± 1,2640.04
    Abdominal fat mass (g)3,309 ± 18115,026 ± 2,1062,654 ± 1,1783,875 ± 1,4020.02
    Abdominal fat mass (%)22.3 ± 8.630.6 ± 8.918.4 ± 6.324.9 ± 7.60.01
    Leg lean mass (g)18,950 ± 1,60118,371 ± 1,86319,605 ± 2,50020,242 ± 3,1990.04
    Leg fat mass (g)5,787 ± 2,3357,010 ± 2,3575,896 ± 1,9676,871 ± 2,4600.99
    Leg fat mass (%)21.8 ± 6.725.8 ± 5.921.7 ± 4.723.9 ± 6.30.49
Relative fat distribution
    Trunk fat mass (g)/total fat mass (g)0.51 ± 0.040.53 ± 0.110.47 ± 0.05*0.51 ± 0.050.06
    Abdominal fat mass (g)/total fat mass (g)0.22 ± 0.040.26 ± 0.030.19 ± 0.04*0.23 ± 0.040.00
    Leg fat mass (g)/ total fat mass (g)0.40 ± 0.040.38 ± 0.040.44 ± 0.05*0.41 ± 0.050.03
    Trunk fat mass (%)/leg fat mass (%)0.96 ± 0.120.99 ± 0.200.86 ± 0.14*0.98 ± 0.160.03
    Abdominal fat mass (%)/leg fat mass (%)1.02 ± 0.201.18 ± 0.180.85 ± 0.24*1.04 ± 0.230.00
  • Data are means ± SD.

  • *

    * P < 0.05 LBW vs. NBW (cohort 1);

  • P < 0.05 LBW vs. NBW (cohort 2).