| Overall | 6.026 (5.969 to 6.084) | 5.901 (5.844 to 5.958) | 6.235 (6.176 to 6.293) | 5.860 (5.789 to 5.930) | 6.372 (6.301 to 6.444) | 0.000 (-0.006 to 0.006) | 0.022 (0.018 to 0.027) | 0.022 (0.015 to 0.030) | 1.063 (1.049 to 1.077) |
| Income |
| < 3 million won | 7.622 (7.523 to 7.721) | 7.736 (7.637 to 7.834) | 7.633 (7.545 to 7.721) | 8.015 (7.883 to 8.146) | 8.375 (8.243 to 8.507) | 0.012 (0.005 to 0.020) | 0.012 (0.006 to 0.018) | 0.000 (-0.010 to 0.009) | 1.093 (1.073 to 1.114) |
| ≥ 3 million won | 4.381 (4.288 to 4.474) | 4.412 (4.330 to 4.494) | 4.588 (4.513 to 4.663) | 4.315 (4.224 to 4.406) | 4.851 (4.754 to 4.949) | 0.002 (-0.009 to 0.012) | 0.031 (0.023 to 0.038) | 0.029 (0.016 to 0.042) | 1.097 (1.071 to 1.122) |
| Unknown | 5.339 (5.240 to 5.439) | 4.618 (4.502 to 4.734) | 6.844 (6.208 to 7.480) | 5.131 (4.974 to 5.287) | 5.796 (5.646 to 5.945) | -0.016 (-0.032 to -0.001) | 0.032 (0.021 to 0.042) | 0.048 (0.029 to 0.067) | 1.145 (1.110 to 1.181) |
| Current smoking status |
| No | 6.121 (6.055 to 6.187) | 5.991 (5.926 to 6.056) | 6.151 (6.086 to 6.215) | 5.812 (5.735 to 5.889) | 6.267 (6.190 to 6.345) | -0.013 (-0.019 to -0.007) | 0.020 (0.015 to 0.025) | 0.033 (0.025 to 0.041) | 1.041 (1.026 to 1.056) |
| Yes | 5.707 (5.590 to 5.824) | 5.564 (5.443 to 5.686) | 6.603 (6.464 to 6.743) | 6.086 (5.915 to 6.257) | 6.906 (6.723 to 7.088) | 0.050 (0.038 to 0.063) | 0.034 (0.023 to 0.044) | -0.017 (-0.033 to 0.000) | 1.172 (1.137 to 1.209) |
| Alcohol consumption, days/month |
| 0 | 6.984 (6.896 to 7.073) | 6.827 (6.737 to 6.916) | 7.226 (7.134 to 7.318) | 6.799 (6.691 to 6.906) | 7.130 (7.021 to 7.239) | 0.000 (-0.008 to 0.008) | 0.013 (0.007 to 0.019) | 0.013 (0.003 to 0.022) | 1.009 (0.983 to 1.037) |
| 1-4 | 5.083 (4.988 to 5.179) | 5.029 (4.933 to 5.124) | 5.258 (5.161 to 5.356) | 4.821 (4.704 to 4.939) | 6.141 (5.992 to 6.290) | -0.008 (-0.019 to 0.003) | 0.064 (0.055 to 0.073) | 0.072 (0.057 to 0.086) | 1.225 (1.191 to 1.259) |
| 5-30 | 5.215 (5.098 to 5.332) | 5.168 (5.054 to 5.283) | 5.530 (5.413 to 5.646) | 5.160 (5.019 to 5.302) | 5.328 (5.208 to 5.448) | 0.009 (-0.004 to 0.022) | 0.008 (-0.001 to 0.017) | -0.001 (-0.016 to 0.015) | 1.009 (0.983 to 1.037) |
| BMI group |
| Under and normal | 6.314 (6.234 to 6.395) | 6.185 (6.103 to 6.268) | 6.668 (6.581 to 6.755) | 6.203 (6.092 to 6.313) | 6.777 (6.668 to 6.887) | 0.008 (0.000 to 0.016) | 0.024 (0.017 to 0.030) | 0.015 (0.005 to 0.025) | 1.071 (1.051 to 1.091) |
| Over and obese | 5.704 (5.622 to 5.785) | 5.603 (5.523 to 5.684) | 5.828 (5.749 to 5.907) | 5.606 (5.515 to 5.697) | 6.040 (5.946 to 6.134) | 0.000 (-0.008 to 0.008) | 0.020 (0.014 to 0.026) | 0.020 (0.010 to 0.030) | 1.065 (1.046 to 1.085) |
| Education background |
| ≤ High school | 6.718 (6.644 to 6.792) | 6.624 (6.548 to 6.699) | 6.913 (6.835 to 6.990) | 6.625 (6.532 to 6.719) | 7.010 (6.914 to 7.106) | 0.003 (-0.004 to 0.009) | 0.015 (0.010 to 0.020) | 0.013 (0.004 to 0.021) | 1.046 (1.029 to 1.062) |
| ≥ College | 4.600 (4.512 to 4.689) | 4.588 (4.502 to 4.673) | 5.090 (5.003 to 5.177) | 4.554 (4.451 to 4.656) | 5.376 (5.270 to 5.481) | 0.016 (0.005 to 0.026) | 0.043 (0.036 to 0.051) | 0.028 (0.014 to 0.041) | 1.145 (1.119 to 1.171) |
| Occupational group |
| White-collar | 4.150 (4.039 to 4.261) | 4.133 (4.025 to 4.241) | 4.629 (4.516 to 4.742) | 4.147 (4.012 to 4.281) | 4.877 (4.736 to 5.018) | 0.021 (0.006 to 0.036) | 0.042 (0.031 to 0.054) | 0.022 (0.003 to 0.040) | 1.147 (1.109 to 1.186) |
| Blue-collar | 4.766 (4.686 to 4.845) | 4.718 (4.641 to 4.796) | 5.037 (4.958 to 5.117) | 4.642 (4.547 to 4.738) | 5.154 (5.054 to 5.254) | 0.004 (-0.006 to 0.013) | 0.027 (0.020 to 0.035) | 0.024 (0.012 to 0.036) | 1.076 (1.052 to 1.100) |
| Unknown | 8.262 (8.156 to 8.368) | 8.348 (8.236 to 8.461) | 8.639 (8.525 to 8.754) | 8.182 (8.048 to 8.316) | 8.504 (8.372 to 8.636) | 0.005 (-0.004 to 0.013) | 0.011 (0.004 to 0.017) | 0.006 (-0.004 to 0.016) | 1.018 (0.999 to 1.037) |
| Marital status |
| Married | 5.307 (5.244 to 5.371) | 5.150 (5.087 to 5.214) | 5.302 (5.237 to 5.367) | 4.985 (4.906 to 5.063) | 5.445 (5.364 to 5.527) | -0.016 (-0.023 to -0.009) | 0.023 (0.018 to 0.029) | 0.039 (0.030 to 0.049) | 1.049 (1.031 to 1.067) |
| Single | 7.851 (7.729 to 7.973) | 7.823 (7.699 to 7.946) | 8.421 (8.298 to 8.544) | 7.804 (7.660 to 7.947) | 8.200 (8.062 to 8.339) | 0.012 (0.002 to 0.021) | 0.013 (0.007 to 0.020) | 0.002 (-0.010 to 0.013) | 1.028 (1.008 to 1.049) |