Fig. 2

Mediation analyses of HOMA-IR on the associations between MetS, its components (central obesity, hypertension, and hyperglycemia), and sarcopenia. Adjustment for sex, age, marital status, ethnic, education, PIR, smoke status, drink status, physical activity. In the analysis of each MetS component, the remaining MetS components, excluding the exposure variables, are also adjusted. *P < 0.05. **P < 0.01. ***P < 0.001