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Age at initiation, and amount of SLT and cigarette use among exclusive SLT users and dual users.
| Exclusive SLT users | Dual users | |
|---|---|---|
| (n = 57) | (n = 11) | |
| Age at initiation | ||
| SLT | 16.8 ± 5.1 | 19.1 ± 8.1 |
| Cigarette | NA | 15.4 ± 2.9 |
| Amount used | ||
| SLT, dips/day | 4.9 ± 3.3 | 2.7 ± 2.9 |
| Cigarette, cigarettes/day | NA | 6.6 ± 7.4 |
