Table 2.
Sociodemographic characteristics of survivors
| 1st year group | 2nd year group | 3rd year group | |||
|---|---|---|---|---|---|
| N (%) | N (%) | N (%) | p valuea) | ||
| Educational statusb) | 0.238 | ||||
| Low or middle | 350 (61.0) | 193 (59.6) | 152 (66.4) | ||
| High | 234 (39.0) | 131 (40.4) | 77 (33.6) | ||
| Any family member living together | 0.311 | ||||
| Yes | 511 (89.2) | 294 (89.4) | 197 (85.7) | ||
| No | 62 (10.8) | 35 (10.6) | 33 (14.3) | ||
| Change of employment (before ➔ after) | 0.807 | ||||
| Unemployed ➔ Unemployed | 251 (42.8) | 138 (41.6) | 107 (46.3) | ||
| Employed ➔ Unemployed | 123 (21.0) | 69 (20.8) | 42 (18.2) | ||
| Employed/Unemployed ➔ Employed | 213 (36.3) | 125 (37.7) | 82 (35.5) | ||
| Household income ($/month)c) | 0.594 | ||||
| < 2500 | 263 (46.8) | 133 (41.8) | 105 (46.5) | ||
| 2500–4000 | 202 (35.9) | 124 (39.0) | 77 (34.1) | ||
| > 4000 | 97 (17.3) | 61 (19.2) | 44 (19.5) | ||
| Hobbies | 0.013 | ||||
| Very active | 99 (17.1) | 74 (22.5) | 64 (27.8) | ||
| Moderate | 349 (60.3) | 180 (54.7) | 120 (52.2) | ||
| Rare | 131 (22.6) | 75 (22.8) | 46 (20.0) | ||
| Smoking status (Current) | 0.116 | ||||
| Non-smoker | 575 (98.3) | 317 (96.1) | 223 (97.0) | ||
| Smoker | 10 (1.7) | 13 (3.9) | 7 (3.0) | ||
| Alcohol consumption | 0.128 | ||||
| No | 455 (77.6) | 265 (80.3) | 168 (73.0) | ||
| Yes | 131 (22.4) | 65 (19.7) | 62 (27.0) | ||
| Physical activity | 0.596 | ||||
| High | 183 (33.8) | 106 (33.0) | 64 (29.0) | ||
| Moderate | 188 (34.2) | 111 (34.6) | 74 (33.5) | ||
| Low | 176 (32.0) | 104 (32.4) | 83 (37.6) | ||
a)Pearson’s Chi-square test
b)Low or Middle = High school graduated or below, High = College graduated or higher
c)Household income is estimated to United State dollar from Korean won, with exchange rate of 1 USD for 1200 KRW. The cut-off values are one-third and two-third points according to Korean Statistics