Student Responses to Knowledge Questions on Pre- and Post-Test: Hierarchical Model Results
| Question | Correct Response | Pret Test N = 2929 | Post- Test N = 2766 | P Value | ||
|---|---|---|---|---|---|---|
| Correct (%) | Don’t Know (%) | Correct (%) | Don’t Know (%) | |||
| 1. Smoking causes bad breath | True | 92.8 | 5.2 | 98.7 | 0.9 | <0.001 |
| 2. Smokers have yellow teeth | True | 86.9 | 8.6 | 96.9 | 1.8 | <0.001 |
| 3. Cigarettes which that contain low tar are safe | False | 77.0 | 20.4 | 86.5 | 11.5 | <0.001 |
| 4. Smokers have clean- smelling clothes | False | 88.2 | 6.1 | 92.6 | 2.2 | <0.001 |
| 5. Smoking decreases the amount of air that gets into your lungs | True | 84.7 | 10.0 | 91.4 | 4.4 | <0.001 |
| 6. Smoking a pack of cigarettes a day would cost over several hundred dollars per year | True | 66.9 | 28.1 | 89.3 | 5.3 | <0.001 |
| 7. Tobacco users are cool, sexy, and popular | False | 92.5 | 4.6 | 94.1 | 3.1 | 0.009 |
| 8. Some people use tobacco because their friends do | True | 89.4 | 5.7 | 92.9 | 3.9 | <0.001 |
| 9. Smoking is relaxing | False | 58.8 | 33.1 | 67.0 | 19.6 | <0.001 |
| 10. Advertisers tell the truth about tobacco use | False | 57.9 | 28.2 | 80.5 | 10.4 | <0.001 |
| 11. Tobacco companies can use TV as a way of advertising | False | 14.3 | 17.3 | 30.4 | 8.5 | <0.001 |
| 12. G-rated movies are used by tobacco companies to sell tobacco | True | 8.3 | 37.9 | 44.6 | 23.0 | <0.001 |
| 13. It is against the law for tobacco companies to advertise to kids | True | 63.8 | 23.2 | 65.3 | 16.0 | <0.001 |
| 14. What percentage of kids your age do not use tobacco every week? | About ∼95% | 59.8 | NA | 70.7 | NA | <0.001 |