borderline significancep = 0.052
Positive beta coefficients were also seen with borderline significance in the twin pair analysis for the Horvath, IEAA, and Hannum clocks for total hip ( p = 0.052–0.096), for the Hannum clock for femoral neck ( p = 0.063), and for the PhenoAge clock for lumbar spine ( p = 0.099) (Figure 4 ).