TC	Total cholesterol
TG	Triglycerides
LDL-C	Low-density lipoprotein cholesterol
HDL-C	High-density lipoprotein cholesterol
VLDL	Very-low-density lipoprotein
CVD	Cardiovascular disease
RCS	Restricted cubic spline
BMI	Body mass index
BP	Blood pressure
SBP	Systolic blood pressure
DBP	Diastolic blood pressure
FPG	Fasting plasma glucose
VIF	Variance inflation factor
FDR	False discovery rate
SD	Standard deviation
IQR	Interquartile range
OR	Odds ratio
CI	Confidence interval
Q1	First quartile
Q2	Second quartile
Q3	Third quartile
Q4	Fourth quartile
NHANES	National Health and Nutrition Examination Survey