Table 2.
Prevalence of SIPD diagnosis by substance (including poly use).
| Substance Use | SUDs without SIPD | SIPD | Chi-Square | ||||
|---|---|---|---|---|---|---|---|
| N | % | N | % | Value | df | p | |
| Alcohol | |||||||
| No | 110 | 30.56 | 11 | 57.89 | 6.207 | 1 | 0.013 |
| Yes | 250 | 69.44 | 8 | 42.11 | |||
| Cannabis | |||||||
| No | 268 | 74.44 | 7 | 36.84 | 12.82 | 1 | 0.000 |
| Yes | 92 | 25.56 | 12 | 63.16 | |||
| Opioids | |||||||
| No | 296 | 82.22 | 18 | 94.74 | 1.989 | 1 | >0.1 |
| Yes | 64 | 17.78 | 1 | 5.26 | |||
| Psychostimulants | |||||||
| No | 264 | 73.33 | 7 | 36.84 | 11.79 | 1 | 0.001 |
| Yes | 96 | 26.67 | 12 | 63.16 | |||
Opioids = heroin, prescription pain killers; Psychostimulants = cocaine, amphetamines, methamphetamines; SUD = substance use disorder; SIPD = substance-induced psychotic disorder.