Table 2—

Characteristics of subjects

non-DMsODMsP
n22443
Sex (% male)49470.75*
Age at early exam (years)1.5 ± 0.161.5 ± 0.160.82
WT1.5 z score0.06 ± 0.68−0.13 ± 0.890.10
HT1.5 z score0.12 ± 0.71−0.24 ± 0.75<0.01
RW1.5 z score−0.03 ± 0.720.05 ± 0.990.53
Age at later exam (years)7.7 ± 1.47.8 ± 1.60.53
WT7 z score−0.07 ± 1.560.89 ± 1.66<0.01
HT7 z score−0.11 ± 1.30−0.03 ± 1.560.73
RW7 z score0.00 ± 1.511.26 ± 1.52<0.01
Father’s height (cm)171.2 ± 7.7172.2 ± 9.50.56
Mother’s height (cm)161.0 ± 5.2160.4 ± 5.50.46
Midparental height (cm)166.0 ± 5.0166.0 ± 5.00.95
  • Data are means± SD. Group comparisons made with t test.

  • *

    * Group comparison by χ2 test; weight, height, and RW z scores at ages 1.5 and 7 years compared.

  • n = 186 (161 non-DMs and 25 ODMs).