Fig. 3

Association of metabolic syndrome severity score and independent variables measured by the structural equation model in women.
(Model Fit: RMSEA = 0.076, NFI = 0.949, IFI = 0.953, CFI = 0.953). BMI: body mass index; WC: waist circumference; BFM: body fat mass; MET: physical activity; SES: socioeconomic status; Falling: Sleep latency; Nap duration: The duration of nap