Factors associated with bone stiffness index in men and women aged 29−32 years.

<p>PE, parameter estimate; SE, standard error.</p><p>K-BDI, the Korean version of the Beck Depression Inventory.</p>a<p>Depressive symptoms were classified as normal (K-BDI <10), mild (K-BDI 10−15), and moderate to severe (K-BDI ≥16).</p>b<p>At-risk drinking was defined as consuming an average of more than 2 drinks/day for men and 1 drink/day for women.