NHANES	National Health and Nutrition Examination Survey
SD	Sedentary Duration
SI	Sarcopenic Index
FDI	Fat Distribution Index
PPI	Pulse Pressure Index
SB	Sedentary Behavior
NCHS	National Center for Health Statistics
CDC	Centers for Disease Control and Prevention
DXA	Dual-energy X-ray Absorptiometry
MEC	Mobile Examination Center
CAPI	Computer-Assisted Personal Interview
MIL	Maximum Inflation Level
BMI	Body Mass Index
RCS	Restricted Cubic Spline