Table 1.
Characteristics of psychiatric patients studied overall, and according to smoking status
| Total (n=276) | Smokers and ex-smokers (n=197) | Non-smokers (n=79) | P-value | |
|---|---|---|---|---|
| Age (years) | 56.9 (16.2) | 55.1 (14.4) | 60.9 (19.4) | 0.009 |
| Men, % | 73.5 | 79.2 | 59.4 | 0.01 |
| Body mass index (kg/m2) | 25.5 (4.4) | 25.2 (4.2) | 26.2 (4.7) | 0.08 |
| Charlson Index | 1.37 (1.6) | 1.44 (1.7) | 1.19 (1.2) | 0.23 |
| Consumption of toxic substances (alcohol and drugs), % | 9 | 15 | 1.5 | 0.21 |
| Schizophrenia, n (%) | 156 (56.5) | 140 (71) | 16 (20.2) | <0.001 |
| Depressive or anxiety disorders, n (%) | 46 (16.7) | 25 (12.7) | 21 (26.6) | 0.005 |
| ID-dementia, n (%) | 74 (26.8) | 32 (16.2) | 42 (53.2) | <0.001 |
Note: Data are expressed as mean (SD) except when indicated otherwise.
Abbreviation: ID, intellectual disability.