Table 4.
Mean age started smoking by tobacco type and mental disorder
| Mental disorder | Cigarette smoking (n = 56) |
WP smoking (n = 25) |
All types (n = 67) |
|||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Mean | SD | 95 % | CI | Mean | SD | 95 % | CI | Mean | SD | 95 % | CI | |
| Schizophrenia | 16.0 | 3.8 | 14.9 | 17.4 | 22.3 | 8.1 | 15.5 | 29.0 | 16.2 | 3.8 | 14.9 | 17.6 |
| MDD | 15.0 | 3.9 | 12.8 | 17.2 | 18.8 | 9.2 | 13.3 | 24.4 | 15.3 | 5.1 | 13.0 | 17.7 |
| BAD | 16.9 | 3.5 | 14.5 | 19.3 | 27.8 | 3.2 | 22.7 | 32.8 | 18.5 | 5.2 | 15.4 | 21.7 |
| Total | 15.9 | 3.7 | 14.9 | 16.9 | 21.4 | 8.5 | 17.8 | 24.9 | 16.4 | 4.6 | 15.3 | 17.5 |
| F | 0.804 | 1.844 | 2.062 | |||||||||
| p value | 0.453 | 0.182 | 0.136 | |||||||||