KL and Abdominal obesity: The effect size of the observed associations for the outcome variables related to central obesity and/or visceral fat were as follows: per each 1 SD-increase in baseline α-Klotho, follow-up waist decreased by 4.15 cm ± 1.38 (p=0.003) and follow-up visceral fat decreased by 1.38 mm ± 0.31 (p=0.003; Table 5).