Table 1 General characteristics of subjects according to city of residence
Variables | Total (N = 830) | Seoul (N = 749) | Jeju (N = 81) | p value |
|---|---|---|---|---|
N (%) or Mean (SE) | N (%) or Mean (SE) | N (%) or Mean (SE) | ||
Sex | 0.664 | |||
Male | 379 (52.4) | 340 (52.2) | 39 (54.1) | |
Female | 451 (47.6) | 409 (47.8) | 42 (45.9) | |
Education level | 0.011 | |||
Low | 279 (29.1) | 264 (30.1) | 15 (15.0) | |
High | 551 (70.9) | 485 (69.9) | 66 (85.0) | |
Household income | 0.001 | |||
Low | 294 (33.6) | 278 (34.9) | 16 (16.0) | |
High | 536 (66.4) | 471 (65.1) | 65 (84.0) | |
Occupational class | 0.097 | |||
Blue collar | 257 (30.1) | 241 (30.8) | 16 (21.2) | |
White collar | 573 (69.9) | 508 (69.2) | 65 (78.8) | |
Smoking status | 0.707 | |||
Smoker | 335 (45.4) | 304 (45.6) | 31 (43.2) | |
Non-smoker | 495 (54.6) | 445 (54.4) | 50 (56.8) | |
Drinking status | 0.004 | |||
Heavy | 214 (28.5) | 184 (27.8) | 30 (37.8) | |
Social | 616 (71.5) | 565 (72.2) | 51 (62.2) | |
Age (years) | 47.3 (0.5) | 47.6 (0.6) | 43.7 (0.5) | < 0.001 |
Height (centimeter) | 163.6 (0.3) | 163.5 (0.4) | 165.0 (0.8) | 0.093 |
Bodyweight (kilogram) | 65.7 (0.4) | 65.5 (0.4) | 68.4 (1.1) | 0.018 |
Residence period (years) | 12.5 (0.5) | 12.6 (0.5) | 11.8 (0.9) | 0.466 |