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. Author manuscript; available in PMC: 2009 Sep 1.
Published in final edited form as: Bone. 2008 Apr 25;43(3):607–612. doi: 10.1016/j.bone.2008.04.005

Table 4.

Heritability of hip geometry phenotypes (mean ± s.e.), unadjusted and adjusted for BMD

Heritability* Heritability(+ BMD-adjusted)
Narrow Neck (N)
     BMD 0.62 ± 0.07 —
     CSA 0.50 ± 0.07 0.54 ± 0.07
     Z 0.40 ± 0.07 0.45 ± 0.08
     BR 0.58 ± 0.06 0.37 ± 0.08
     ID 0.63 ± 0.06 0.57 ± 0.07
     OD 0.59 ± 0.07 0.54 ± 0.07
Shaft (S)
     BMD 0.56 ± 0.08 —
     CSA 0.59 ± 0.07 0.74 ± 0.08
     Z 0.61 ± 0.07 0.64 ± 0.05
     BR 0.49 ± 0.08 0.54 ± 0.09
     ID 0.84 ± 0.07 0.92 ± 0.05
     OD 0.94 ± 0.05 0.92 ± 0.05
*

adjusted for the effects of sex, age, age2, age × sex, and age2 × sex.

BMD = bone mineral density; CSA = bone cross-sectional area; Z = section modulus; BR = buckling ratio; ID =inner diameter (endocortical diameter); OD = outer diameter