Table 2.
Results of COX regression analysis.
| Variables | B | S.E | Wald | df | p | HR | 95% confidence interval | |
|---|---|---|---|---|---|---|---|---|
| Model 1 | ||||||||
| Tea drinker | −0.545 | 0.165 | 10.905 | 1 | 0.001* | 0.580 | 0.419 | 0.801 |
| Model 2 | ||||||||
| Tea drinker | −0.502 | 0.174 | 8.324 | 1 | 0.004* | 0.606 | 0.431 | 0.851 |
| Education | −0.413 | 0.072 | 33.390 | 1 | <0.001* | 0.662 | 0.575 | 0.761 |
| Male | −2.993 | 0.486 | 37.852 | 1 | <0.001* | 0.050 | 0.019 | 0.130 |
| Model 3 | ||||||||
| Tea drinker | −0.423 | 0.178 | 5.671 | 1 | 0.017* | 0.655 | 0.462 | 0.928 |
| Education | −0.354 | 0.076 | 21.596 | 1 | <0.001* | 0.702 | 0.604 | 0.815 |
| Male | −2.477 | 0.523 | 22.475 | 1 | <0.001* | 0.084 | 0.030 | 0.234 |
| Smoking | −0.244 | 0.243 | 1.013 | 1 | 0.314 | 0.783 | 0.487 | 1.261 |
| Take exercise | −0.149 | 0.177 | 0.704 | 1 | 0.401 | 0.862 | 0.609 | 1.219 |
| Hobby | −0.365 | 0.179 | 4.178 | 1 | 0.041* | 0.694 | 0.489 | 0.958 |
Model 1 contains only tea drinking; Model 2 contains tea drinking, gender and education; Model 3 contains tea drinking, gender, education, smoking, take exercise and hobbies.
*
p < 0.05.