Table 1.
Socio-demographic characteristics of the study population.
| Total study population | SUDs without SIPD | SIPD | Significance | |
|---|---|---|---|---|
| Sample size | 379 | 360 | 19 | |
| Sex, % male | 72.6 | 72.2 | 78.9 | p > 0.1 |
| Age, mean (SE) | 41.1 (0.72) | 41.5 (0.74) | 33.3 (2.50) | t(377) = 2.51, p = 0.013 |
| Education, years (SE) | 13.9 (0.10) | 13.93 (0.11) | 13.21 (0.42) | p > 0.1 |
| Age of Onset of SUD, years (SE) | 25.62 (0.63) | 25.94 (0.11) | 19.68 (1.61) | t(372) = 2.15, p = 0.033 |
| Smoking when admitted, % | 66.8 | 66.1 | 78.9 | p > 0.1 |
| Past detox reported (>1), % | 38.0 | 36.4 | 63.2 | x 2 = 5.50, p = 0.019 |
SE = standard error of the mean; SUD = substance use disorder, SIPD = substance-induced psychotic disorder.