Table 2 Prevalence of exposure to graphic health warnings on tobacco products for the past 30 days among South Korean adolescents (n = 62,276)
Variable | Boys (n = 31,624) | Girls (n = 30,652) | ||||||
|---|---|---|---|---|---|---|---|---|
| Â | Yes | No | Yes | No | ||||
n | (%)a | n | (%)a | n | (%)a | n | (%)a | |
Grade | ||||||||
 7th grade | 3425 | (66.9) | 1753 | (33.1) | 3599 | (72.3) | 1412 | (27.7) |
 8th grade | 3467 | (66.0) | 1805 | (34.0) | 3711 | (72.9) | 1394 | (27.1) |
 9th grade | 3401 | (65.5) | 1801 | (34.5) | 3749 | (73.0) | 1368 | (27.0) |
 10th grade | 3482 | (68.6) | 1587 | (31.4) | 3654 | (71.6) | 1442 | (28.4) |
 11th grade | 3703 | (65.8) | 1907 | (34.2) | 3746 | (72.2) | 1444 | (27.8) |
 12th grade | 3576 | (67.0) | 1717 | (33.0) | 3718 | (72.3) | 1415 | (27.7) |
Current smoking status | ||||||||
 Smoker | 2437 | (85.4) | 421 | (14.6) | 789 | (87.7) | 122 | (12.3) |
 Non-Smoker | 18,617 | (64.7) | 10,149 | (35.3) | 21,388 | (71.9) | 8353 | (28.1) |
e-cigarette status | ||||||||
 User | 864 | (87.5) | 127 | (12.5) | 214 | (85.3) | 39 | (14.7) |
 Non-User | 20,190 | (65.9) | 10,443 | (34.1) | 21,963 | (72.3) | 8436 | (27.7) |
Secondhand Smoke | ||||||||
 Non-exposed | 14,407 | (63.3) | 8383 | (36.7) | 14,978 | (69.0) | 6743 | (31.0) |
 Exposed | 6647 | (75.6) | 2187 | (24.4) | 7199 | (80.7) | 1732 | (19.3) |
Tobacco Advertise | ||||||||
 Non-exposed | 3361 | (49.1) | 3505 | (50.9) | 3408 | (53.2) | 2978 | (46.8) |
 Exposed | 17,693 | (71.5) | 7065 | (28.5) | 18,769 | (77.5) | 5497 | (22.5) |
Anti-Tobacco Advertisement | ||||||||
 Non-exposed | 3055 | (47.1) | 3455 | (52.9) | 2141 | (51.8) | 1984 | (48.2) |
 Exposed | 17,999 | (71.8) | 7115 | (28.2) | 20,036 | (75.6) | 6491 | (24.4) |
Experience of smoking prevention education in school | ||||||||
 Yes | 16,218 | (74.0) | 5806 | (26.0) | 17,379 | (76.5) | 5395 | (23.5) |
 No | 4836 | (50.6) | 4764 | (49.4) | 4798 | (61.2) | 3080 | (38.8) |