Estimated duration of persistent purchase for nicotine patch and gum (% of households)
| Patch (n=2050) | Gum (n=805) | |
|---|---|---|
| >3 months | 2.9 | 5.2 |
| ⩾6 months | 0.9 | 2.3 |
| ⩾12 months | 0.1 | 1.0 |
| ⩾24 months | 0.05 | 0.4 |
| Persistent purchase (allowing 1 month gap) | ||
| >3 months | 5.4 | 11.3 |
| ⩾6 months | 1.7 | 6.7 |
| ⩾12 months | 0.4 | 2.8 |
| ⩾24 months | 0.05 | 1.0 |