Table 1.
Gender- and multicultural status-specific numbers and percentages of study subjects according to school grade and socioeconomic position indicators in the Korea Youth Risk Behavior Web-based Survey, 2011–2014
| Boys | Girls | |||||
|---|---|---|---|---|---|---|
| Non-multicultural | Multi-cultural | P-value | Non-multicultural | Multi-cultural | P-value | |
| n (%) | n (%) | n (%) | n (%) | |||
| Total | 147848 (100.0) | 1371 (100.0) | 143809 (100.0) | 1296 (100.0) | ||
| School grades | ||||||
| Middle school, 1st grade | 25106 (17.0) | 295 (21.5) | <.0001 | 23272 (16.2) | 277 (21.4) | <.0001 |
| Middle school, 2nd grade | 25095 (17.0) | 304 (22.2) | 23982 (16.7) | 294 (22.7) | ||
| Middle school, 3rd grade | 25253 (17.1) | 264 (19.3) | 24060 (16.7) | 255 (19.7) | ||
| High school, 1st grade | 24935 (16.9) | 203 (14.8) | 23546 (16.4) | 188 (14.5) | ||
| High school, 2nd grade | 23604 (16.0) | 175 (12.8) | 24900 (17.3) | 161 (12.4) | ||
| High school, 3rd grade | 23855 (16.1) | 130 (9.5) | 24049 (16.7) | 121 (9.3) | ||
| Urbanity | ||||||
| Metropolitan cities | 67413 (45.6) | 478 (34.9) | <.0001 | 64482 (44.8) | 419 (32.3) | <.0001 |
| Small and medium cities | 63212 (42.8) | 565 (41.2) | 64149 (44.6) | 556 (42.9) | ||
| Rural areas | 17223 (11.6) | 328 (23.9) | 15178 (10.6) | 321 (24.8) | ||
| Father’s education | ||||||
| College | 65876 (44.6) | 319 (23.3) | <.0001 | 63406 (44.1) | 276 (21.3) | <.0001 |
| High school | 46996 (31.8) | 406 (29.6) | 49667 (34.5) | 411 (31.7) | ||
| Middle school | 5794 (3.9) | 251 (18.3) | 5578 (3.9) | 240 (18.5) | ||
| Do not know | 22698 (15.4) | 323 (23.6) | 18997 (13.2) | 286 (22.1) | ||
| No father | 6484 (4.4) | 72 (5.3) | 6161 (4.3) | 83 (6.4) | ||
| Mother’s education | ||||||
| College | 53414 (36.1) | 390 (28.4) | <.0001 | 50462 (35.1) | 429 (33.1) | <.0001 |
| High school | 58645 (39.7) | 408 (29.8) | 65331 (45.4) | 443 (34.2) | ||
| Middle school | 5361 (3.6) | 133 (9.7) | 5735 (4.0) | 114 (8.8) | ||
| Do not know | 23640 (16.0) | 379 (27.6) | 17033 (11.8) | 275 (21.2) | ||
| No mother | 6788 (4.6) | 61 (4.4) | 5248 (3.6) | 34 (2.6) | ||
| Perceived household economic status | ||||||
| High | 13063 (8.8) | 148 (10.8) | <.0001 | 7105 (4.9) | 78 (6.0) | <.0001 |
| Mid-high | 37644 (25.5) | 201 (14.7) | 32990 (22.9) | 176 (13.6) | ||
| Middle | 66836 (45.2) | 561 (40.9) | 72186 (50.2) | 597 (46.1) | ||
| Mid-low | 23086 (15.6) | 309 (22.5) | 25202 (17.5) | 324 (25.0) | ||
| Low | 7219 (4.9) | 152 (11.1) | 6326 (4.4) | 121 (9.3) | ||
| Self-reported educational performance | ||||||
| High | 18517 (12.5) | 183 (13.3) | <.0001 | 14209 (9.9) | 115 (8.9) | <.0001 |
| Mid-high | 34669 (23.4) | 257 (18.7) | 35625 (24.8) | 231 (17.8) | ||
| Middle | 39468 (26.7) | 317 (23.1) | 40410 (28.1) | 344 (26.5) | ||
| Mid-low | 35978 (24.3) | 366 (26.7) | 36964 (25.7) | 379 (29.2) | ||
| Low | 19216 (13.0) | 248 (18.1) | 16601 (11.5) | 227 (17.5) | ||
| Cohabitation with parents | ||||||
| Lives with both parents | 122454 (82.8) | 1000 (72.9) | <.0001 | 119063 (82.8) | 996 (76.9) | <.0001 |
| Lives with only mother | 12817 (8.7) | 151 (11.0) | 14064 (9.8) | 161 (12.4) | ||
| Lives with only father | 7543 (5.1) | 101 (7.4) | 6338 (4.4) | 68 (5.2) | ||
| Lives with no parents | 5034 (3.4) | 119 (8.7) | 4344 (3.0) | 71 (5.5) | ||