Filter descriptors—tar/nicotine (nic) delivery and harm ranking means (SE) and extreme scores
| Filter tipped | Charcoal filter | Dual filter | Advanced filter | |
|---|---|---|---|---|
| Tar/nic delivery | 3.55 (0.09) | 3.38 (0.09) | 2.79 (0.07) | 2.29 (0.09) |
| Rank delivers most/least (all equal 29%) | 33/6 | 27/8 | 5/16 | 6/41 |
| Harm | 3.43 (0.09) | 3.46 (0.09) | 2.88 (0.09) | 2.24 (0.07) |
| Rank most/least harm by (all equal 39%) | 28/6 | 27/4 | 4/11 | 3/41 |