Table 4 The relationship between the intention not to start smoking and other variables after exposure to graphic health warnings during the past 30 days among South Korean boys and girls
Variable | Boys | Girls | ||||||
|---|---|---|---|---|---|---|---|---|
N | (%)a | AORb | (95% CI) | n | (%)a | AORb | (95% CI) | |
Grade | ||||||||
 7th grade | 3190 | (93.2) | 3.01 | (2.52–3.58) | 3393 | (94.3) | 2.42 | (2.03–2.88) |
 8th grade | 3041 | (87.1) | 1.78 | (1.56–2.04) | 3358 | (90.1) | 1.58 | (1.36–1.84) |
 9th grade | 2850 | (83.6) | 1.58 | (1.37–1.82) | 3334 | (88.8) | 1.49 | (1.29–1.73) |
 10th grade | 2693 | (77.2) | 1.23 | (1.09–1.40) | 3180 | (87.0) | 1.43 | (1.25–1.63) |
 11th grade | 2676 | (71.5) | 1.11 | (1.00–1.24) | 3147 | (84.1) | 1.26 | (1.11–1.43) |
 12th grade | 2431 | (67.3) | 1.00 |  | 2985 | (80.4) | 1.00 |  |
Current smoking status | ||||||||
 Smoker | 817 | (32.1) | 0.15 | (0.13–0.16) | 264 | (33.6) | 0.13 | (0.11–0.16) |
 Non-Smoker | 16,064 | (85.6) | 1.00 |  | 19,133 | (89.1) | 1.00 |  |
e-cigarette status | ||||||||
 User | 285 | (32.5) | 0.64 | (0.53–0.78) | 63 | (29.4) | 0.50 | (0.32–0.78) |
 Non-User | 16,596 | (81.2) | 1.00 |  | 19,334 | (87.7) | 1.00 |  |
Expose to Secondhand Smoke | ||||||||
 Exposed | 5073 | (74.8) | 0.85 | (0.79–0.92) | 6127 | (84.7) | 0.96 | (0.88–1.05) |
 Non-exposed | 11,808 | (81.1) | 1.00 |  | 13,270 | (88.2) | 1.00 |  |
Tobacco Advertise | ||||||||
 Exposed | 14,272 | (79.5) | 1.03 | (0.92–1.15) | 16,507 | (87.6) | 1.22 | (1.10–1.35) |
 Non-exposed | 2609 | (76.9) | 1.00 |  | 2890 | (83.9) | 1.00 |  |
Anti-Tobacco Advertisement | ||||||||
 Exposed | 14,701 | (80.7) | 1.34 | (1.23–1.47) | 17,710 | (88.0) | 1.55 | (1.35–1.77) |
 Non-exposed | 2180 | (70.2) | 1.00 |  | 1687 | (78.4) | 1.00 |  |
Experience of smoking prevention education in school | ||||||||
 Yes | 13,267 | (81.0) | 1.40 | (1.28–1.53) | 15,361 | (88.0) | 1.23 | (1.12–1.36) |
 No | 3614 | (73.2) | 1.00 |  | 4036 | (83.8) | 1.00 |  |