Table I Comparison between the mono- and di-zygotic twin populations in this study
TraitMonozygotic (MZ)bDizygotic (DZ)bp valuea
Female pairs112
Male pairs22
Male/female pairs1
Total pairs135
Age/Years25 ± 726 ± 90.7
Weight/kg68 ± 1466 ± 8.60.6
Height/m1.68 ± 0.071.74 ± 0.060.2
BMI24 ± 4.322 ± 2.70.11
  • a One way ANOVA DZ versus MZ.

  • b Mean ± S.E.