Table 3

Mean and confidence interval of the height deficit of low birth weight from adequate birth weight children divided by social class and age

Social classBirth weight (g)Height at 7 y (cm)Height at 11 y (cm)Height at 16 y (cm)Height at 23 y (cm)
No.Mean95% CINo.Mean95% CINo.Mean95% CINo.Mean95% CI
I + II< 2500602.922.65 to 3.19563.022.68 to 3.36491.621.13 to 2.12642.451.88 to 3.02
⩾25001492 3-165 1522 3-160 1402ns1711ns
IIINM< 2500394.674.31 to 5.04374.844.39 to 5.29334.403.71 to 5.09434.163.36 to 4.96
⩾2500819 3-165 858 3-165 757 3-160 946 3-160
IIIM< 25002053.072.89 to 3.242113.172.96 to 3.381953.963.65 to 4.272373.543.18 to 3.90
⩾25003779 3-165 4072 3-165 3664 3-165 4647 3-165
IV + V< 2500993.663.39 to 3.93963.963.64 to 4.29845.284.80 to 5.761133.683.13 to 4.23
⩾25001632 3-165 1685 3-165 1470 3-165 1922 3-165
  • Data for males and females were combined.

  • Significant between LBW (<2500 g) and ABW (⩾2500 g) at each age:

  • 3-165 p < 0.001,

  • 3-160 p < 0.01,

  • 3-150 p < 0.05; ns, p > 0.05.