Table 4.
Prevalence of keywords/concepts recalled among those exposed to an e-cigarette warning (N = 1464).
| Keywords/concepts | Frequency of responses (%) |
|||||
|---|---|---|---|---|---|---|
| Overall |
Non-users |
E-cig users |
Canada |
US |
England |
|
| (n = 1464) | (n = 1085) | (n = 379) | (n = 395) | (n = 549) | (n = 519) | |
| Nicotine | 7.5 | 4.2 | 16.9 | 3.5 | 7.8 | 10.2 |
| Addiction | 7.0 | 5.0 | 12.7 | 3.0 | 8.6 | 8.3 |
| Lung cancer/lung disease | 14.8 | 17.3 | 7.7 | 19.2 | 12.2 | 14.1 |
| Other cancer/“cancer” in general | 15.2 | 17.1 | 9.5 | 13.9 | 20.0 | 10.8 |
| Specific health effects (e.g., causes impotence) | 14.8 | 15.5 | 12.9 | 15.4 | 15.3 | 13.7 |
| Harmful in general (e.g., bad for health, dangerous) | 12.5 | 11.4 | 15.6 | 11.9 | 13.7 | 11.6 |
| Explosions. (e.g., flammable, may overheat) | 2.8 | 2.9 | 2.4 | 4.1 | 3.6 | 1.0 |
| Comparison to cigarettes (e.g., not a safe alternative to cigarettes) | 2.0 | 1.9 | 2.1 | 0.8 | 4.0 | 1.0 |
| Youth risk (e.g., keep away from children) | 4.6 | 4.1 | 6.1 | 4.8 | 2.4 | 6.7 |
| Age restrictions (e.g., must be 18 or older) | 1.8 | 1.3 | 3.4 | 0.8 | 2.6 | 1.9 |
| Reproductive health (e.g., causes birth defects, not safe when pregnant) | 7.4 | 6.5 | 9.8 | 5.1 | 13.5 | 2.7 |
| Chemicals | 1.4 | 1.6 | 1.1 | 1.3 | 2.6 | 0.6 |
| Provided visual description (e.g., warning used gross pictures) | 2.7 | 3.2 | 1.1 | 3.8 | 0.0 | 4.6 |
| Death (e.g., “Smoking kills”) | 9.2 | 10.7 | 5.0 | 5.1 | 3.8 | 17.9 |
| Consumption (e.g., poisonous, don't eat) | 3.3 | 2.7 | 5.3 | 5.1 | 2.9 | 2.5 |
| Included smoke/smoking term (e.g., “Smoking kills, secondhand smoke”) | 10.9 | 12.4 | 6.9 | 8.1 | 6.7 | 17.3 |
| Other keyword/theme (e.g., not FDA approved) | 6.4 | 7.3 | 4.0 | 5.8 | 3.8 | 9.6 |