## 3 Methodology
### Feature Selection Based on MC Analysis
\begin{table}
\begin{tabular}{l l l l l l l} \hline
**Feature** & **Descriptions** & **Mean** & **Std. Dev** & \(p\)**-Value** & **Tolerance** & **VIF 1** ** \\ \hline BP6\_31 & Attempted suicide for 1 year & 2 & 0.04 & 0.189 & 0.193 & 5.171 \\ BP7 & Counseling for mental issues for 1 year & 1.98 & 0.143 & 0.149 & 0.235 & 4.261 \\ HE\_HbA1c & Glycated hemoglobin & 5.69 & 0.623 & \textless{}0.001 & 0.282 & 3.546 \\ HE\_glu & Fasting blood sugar & 99.12 & 16.855 & \textless{}0.001 & 0.315 & 3.173 \\ HE\_sbp & End systolic blood pressure & 118.67 & 16.223 & 0.290 & 0.350 & 2.857 \\ HE\_alt & Serum glutamic pyruvic transaminase & 21.18 & 13.468 & \textless{}0.001 & 0.380 & 2.632 \\ HE\_HP & Hypertension & 1.86 & 0.859 & \textless{}0.001 & 0.392 & 2.554 \\ HE\_ast & Serum glutamic oxaloacetic transaminase & 22.8 & 8.248 & 0.670 & 0.428 & 2.335 \\ Age & Age & 4.73 & 1.686 & \textless{}0.001 & 0.441 & 2.270 \\ Sex & Sex & 1.6 & 0.489 & \textless{}0.001 & 0.442 & 2.260 \\ HE\_obe & Obesity (over 19 years old) & 2.75 & 0.964 & \textless{}0.001 & 0.464 & 2.155 \\ HE\_dbp & End diastolic blood pressure & 75.03 & 9.623 & \textless{}0.001 & 0.484 & 2.065 \\ BO1 & Subjective body shape recognition & 3.37 & 0.906 & \textless{}0.001 & 0.487 & 2.053 \\ HE\_HCT & Hematocrit & 42.33 & 4.201 & \textless{}0.001 & 0.520 & 1.924 \\ BS13 & Exposure to secondhand smoke indoors in public & 1.85 & 0.36 & 0.101 & 0.526 & 1.900 \\ HE\_crea & Blood creatinine & 0.8 & 0.183 & 0.686 & 0.592 & 1.688 \\ HE\_bUN & Blood urea nitrogen & 14.6 & 4.285 & \textless{}0.001 & 0.640 & 1.563 \\ BS9\_2 & Exposure to secondhand smoke indoors at home & 2.8 & 0.498 & 0.294 & 0.712 & 1.405 \\ BP6\_2 & Planned suicide for a year & 1.99 & 0.101 & \textless{}0.004 & 0.759 & 1.317 \\ BP1 & Perceived level of stress on a daily basis & 2.88 & 0.72 & 0.227 & 0.789 & 1.268 \\ BO2\_1 & Weight control for 1 year & 2.28 & 1.3 & 0.213 & 0.805 & 1.242 \\ Year & Survey year & 2018.12 & 2.032 & \textless{}0.001 & 0.827 & 1.209 \\ HE\_HCHCH & Hypercholesterolememia & 0.24 & 0.428 & \textless{}0.001 & 0.851 & 1.175 \\ HE\_WBC & Leukocyte & 6.09 & 1.628 & \textless{}0.001 & 0.857 & 1.166 \\ HE\_HTG & Hypertriglyceridemia & 0.12 & 0.328 & \textless{}0.005 & 0.888 & 1.126 \\ Graduate & Education level—graduation status & 1.56 & 1.363 & 0.319 & 0.896 & 1.116 \\ DJ8\_pt & Allergic rhinitis treatment & 6.91 & 2.699 & 0.362 & 0.907 & 1.102 \\ DJ6\_pt & Sinusitis treatment & 7.54 & 1.847 & 0.261 & 0.948 & 1.055 \\ BD1\_11 & Frequency of drinking per year & 3.69 & 2.122 & \textless{}0.019 & 0.951 & 1.051 \\ DL1\_pt & Atopic dermatitis treatment & 7.88 & 0.968 & 0.176 & 0.958 & 1.044 \\ HE\_fh & Family history of chronic dis. diagnosed & 0.67 & 0.793 & 0.060 & 0.972 & 1.028 \\ DH4\_pt & otitis media treatment & 7.63 & 1.676 & 0.245 & 0.975 & 1.026 \\ Region & Region & 7.39 & 4.918 & 0.520 & 0.976 & 1.024 \\ HE\_hepaB & Hepatitis B surface antigen positive & 0.02 & 0.129 & \textless{}0.043 & 0.991 & 1.009 \\ \hline \end{tabular}
\end{table} 
Table 2: Feature descriptions, mean and standard deviation, correlation, and MC analyses for the KNHANES (2015–2021) target dataset.