Older brands* (N=251) | Newer brands† (N=215) | Older vs newer brands p value | ||||
---|---|---|---|---|---|---|
Top-5 brands (N=5) | Other brands (N=246) | Top-5 vs others p value | Older brands combined (N=251) | Newer brands (N=215) | ||
# of flavours per brand | ||||||
Mean | 30 | 32 | 0.93 | 32 | 49 | <0.01 |
Median | 8 | 15.5 | 15 | 33 | ||
# of nicotine strengths | ||||||
Mean | 5.4 | 4.4 | 0.13 | 4.5 | 4.4 | 0.65 |
Median | 5 | 4 | 4 | 5 | ||
Zero nicotine offered | 80.0% | 84.1% | 0.85 | 84.1% | 81.9% | 0.55 |
*Active on the internet in 2012 and 2014.
†Active on the internet in 2014 but not 2012.