Table 3.
Sample characteristics by WGRS quartile (categorical traits).
| Characteristic | WGRS | P-Value † | |||||||
|---|---|---|---|---|---|---|---|---|---|
| Q1 (N = 2490) | Q2 (N = 2509) | Q3 (N = 2499) | Q4 (N = 2502) | ||||||
| N | % | N | % | N | % | N | % | ||
| Sex | 0.08 | ||||||||
| Male | 1237 | 49.7 | 1237 | 49.3 | 1304 | 52.2 | 1222 | 48.8 | |
| Female | 1253 | 50.3 | 1272 | 50.7 | 1195 | 47.8 | 1280 | 51.2 | |
| Drinking habit | 0.38 | ||||||||
| Yes | 207 | 8.3 | 183 | 7.3 | 204 | 8.2 | 204 | 8.2 | |
| No | 2194 | 88.1 | 2239 | 89.2 | 2215 | 88.6 | 2232 | 89.2 | |
| Quit | 89 | 3.57 | 87 | 3.5 | 80 | 3.2 | 66 | 2.6 | |
| Smoking habit | 0.16 | ||||||||
| Yes | 263 | 10.6 | 289 | 11.5 | 312 | 12.5 | 295 | 11.8 | |
| Few | 214 | 8.6 | 206 | 8.2 | 207 | 8.3 | 213 | 8.5 | |
| No | 1748 | 70.2 | 1723 | 68.7 | 1656 | 66.3 | 1703 | 68.1 | |
| Quit | 265 | 10.6 | 291 | 11.6 | 324 | 13.0 | 291 | 11.6 | |
| Education | 0.071 | ||||||||
| Elementary School | 177 | 7.1 | 172 | 6.9 | 163 | 6.5 | 199 | 8.0 | |
| Junior-high/Senior-high | 1063 | 42.7 | 1045 | 41.7 | 984 | 39.4 | 1027 | 41.1 | |
| BS/MS/PhD | 1248 | 50.2 | 1289 | 51.4 | 1351 | 54.1 | 1276 | 51.0 | |
| Marriage | 0.66 | ||||||||
| Single | 300 | 12.1 | 279 | 11.1 | 298 | 11.9 | 274 | 11.0 | |
| Married | 1936 | 77.8 | 1989 | 79.4 | 1961 | 78.5 | 1963 | 78.6 | |
| Divorced/Widowed | 253 | 10.2 | 238 | 9.5 | 239 | 9.6 | 262 | 10.5 | |
| Regular Exercise | 0.94 | ||||||||
| No | 1453 | 58.4 | 1473 | 58.7 | 1472 | 58.9 | 1481 | 59.2 | |
| Yes | 1021 | 40.8 | 1027 | 41.1 | 1036 | 41.3 | 1037 | 41.7 | |
*: P < 0.05. †: Chi-square test for categorical variables.