Table 1.
Comparison of general demographic data.
| Group | Control (n = 156) | Study (n = 157) | t/χ2 | P |
|---|---|---|---|---|
| Age (years) | 56.81 ± 3.91 | 56.83 ± 3.36 | 0.048 | 0.961 |
| Gender (male/female) | 74/82 | 78/79 | 0.158 | 0.691 |
|
| ||||
| Career | ||||
| On the job | 47 (30.17%) | 48 (30.57%) | 1.912 | 0.384 |
| Retired | 70 (44.87%) | 60 (38.22%) | ||
| Others | 39 (25.00%) | 49 (31.21%) | ||
|
| ||||
| Marital status | ||||
| Married | 68 (43.59%) | 63 (40.13%) | 2.625 | 0.269 |
| Not married | 23 (14.74%) | 16 (10.19%) | ||
| Divorced/widowed | 65 (41.67%) | 78 (49.68%) | ||
|
| ||||
| Degree of education | ||||
| Primary school | 31 (19.87%) | 23 (14.65%) | 2.686 | 0.442 |
| Junior middle school | 31 (19.87%) | 28 (17.83%) | ||
| High school | 67 (42.95%) | 70 (44.59%) | ||
| Senior high school and above | 27 (17.31%) | 36 (22.93%) | ||
|
| ||||
| Concomitant disease | ||||
| 1 | 31 (19.87%) | 32 (20.38%) | 0.412 | 0.813 |
| 2 | 27 (17.31%) | 23 (14.65%) | ||
| ≥3 | 98 (62.82%) | 102 (64.97%) | ||