Crude quit rates and associations of successful quitting according to smoker subgroups stratified by the severity of the mental disorder
| Diagnoses (ICD-10) | n | Crude quit rate | Multivariate analyses OR (95% CI) | P values |
| % | Adjusted for cluster | |||
| Control: no psychiatric diagnoses | 21 044 | 38 | 1 | |
| Any mental disorder | 5306 | 30 | 0.75 (0.70 to 0.81)* | <0.000 |
| Severe mental disorder | 4404 | 29.4 | 0.74 (0.68 to 0.80)* | <0.000 |
| Schizophrenia spectrum (F20-F29) | 692 | 25.7 | 0.61 (0.50 to 0.74)* | <0.000 |
| Affective disorders (F30-F34) | 1742 | 31 | 0.80 (0.71 to 0.90)* | <0.000 |
| Anxiety (F40-F42, F43.1) | 548 | 31.9 | 0.86 (0.70 to 1.06) | 0.156 |
| Personality disorders (F60-69) | 294 | 26.9 | 0.62 (0.46 to 0.83)* | 0.001 |
| Substance use disorder (F10-16, F18-F19) | 1128 | 28.6 | 0.68 (0.59 to 0.79)* | <0.000 |
| Other | 902 | 32.9 | 0.83 (0.71 to 0.98)* | 0.027 |
*P <0.05.
ICD-10, International Classification of Diseases, 10th edition.