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Perceived effectiveness of graphic images in preventing adolescents from initiating smoking
| Large extent n (%) | Little extent n (%) | No effect n (%) | |
|---|---|---|---|
| Image 1: Cigarette causes cancer of the airways | 417 (76.7) | 85 (15.6) | 42 (7.7) |
| Image 2: Cigarette smoke harms children | 243 (44.7) | 229 (42.1) | 72 (13.2) |
| Image 3: Cigarettes causes stroke | 318 (58.5) | 152 (27.9) | 74 (13.6) |
| Image 4: Cigarettes causes impotence | 338 (62.1) | 127 (23.3) | 79 (14.5) |
