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| Variables | Case | Control | Pa |
|---|---|---|---|
| N (%) | N (%) | ||
| Participants | 444 (100) | 984 (100) | |
| Age | 0.433 | ||
| <60 | 203 (44.19) | 428 (43.50) | |
| ≥60 | 241 (54.28) | 556 (56.50) | |
| Gender | 0.242 | ||
| Females | 195 (43.92) | 465 (47.26) | |
| Males | 249 (56.08) | 519 (52.74) | |
| Smoking status | 0.047 | ||
| Never | 265 (59.68) | 641 (65.14) | |
| Ever | 179 (40.32) | 343 (34.86) | |
| Drinking status | <0.001 | ||
| Never | 260 (58.56) | 680 (69.11) | |
| Ever | 184 (41.44) | 304 (30.89) |
aTwo-sided χ2 test was used.
