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Table 3 Odds ratios (95% CI) for the association of history of substance use disordera with mental illness

From: Inside the nation’s largest mental health institution: a prevalence study in a state prison system

Mental disorders

Substance users with disorder, n (%)

Odds Ratio (95% CI)b

Unadjusted

Adjusted

Any mental disorder (excluding substance abuse)

1747 (48.5)

8.5 (7.6–9.6)

8.1 (7.2–9.1)

Serious mental disorderc

1198 (53.5)

4.7 (4.2–5.2)

4.4 (4.0–4.9)

Anxiety, general anxiety, panic disorders

766 (34.2)

4.6 (4.0–5.1)

4.2 (3.7–5-4.8)

Depression, major depressive disorders

711 (31.7)

3.0 (2.7–3.4)

2.8 (2.5–3.2)

Personality disorders

520 (23.2)

4.1 (3.5–4.7)

4.0 (3.5–4.6)

Psychosis, psychotic disorders

406 (18.1)

3.7 (3.2–4.3)

3.8 (3.2–4.4)

Developmental disabilities

360 (16.1)

3.2 (2.7–3.7)

2.9 (2.5–3.4)

Bipolar

358 (16.0)

4.0 (3.4–4.7)

3.6 (3.1–4.3)

Post-Traumatic Stress Disorder

254 (11.3)

2.7 (2.3–3.3)

2.6 (2.2–3.1)

Schizophrenia

117 (5.2)

2.5 (1.9–3.2)

2.8 (2.1–3.6)

Impulse control disorders

87 (3.9)

3.0 (2.2–4.1)

2.9 (2.1–4.0)

Dysthymia, neurotic depression

83 (3.7)

2.6 (1.9–3.4)

2.5 (1.8–3.4)

Sleep, movement and eating disorders

12 (0.5)

ne

ne

Sexual disorders, paraphilia

2 (0.1)

ne

ne

Pervasive developmental disorders

2 (0.1)

ne

ne

  1. Values represent numbers and percentages
  2. ne not estimable
  3. aSubstance use disorder as derived from the ICD9/DSM codes and includes alcohol-induced persisting amnestic disorder, cannabis-induced psychotic disorder, with hallucinations, other (or unknown) substance-induced psychotic disorder with hallucinations, phencyclidine-induced psychotic disorder, with hallucinations, psychotic disorder NOS, substance-induced, alcohol dependence, opioid dependence, sedative/hypnotic/anxiolytic dependence, cocaine dependence, cannabis dependence, amphetamine dependence, other polysubstance abuse, methamphetamine dependence, hallucinogen dependence, inhalant dependence, polysubstance dependence, other (or unknown) dependence, phencyclidine dependence;
  4. bOdds ratios were generated in logistic regression models adjusted for age, gender, and race/ethnicity; Odds ratios are statistically significant if the 95% CI does not include 1.0
  5. cSerious mental illness includes bipolar disorders, dementia/organic disorders, depression and major depressive disorders, dysthymia/neurotic depression, psychosis/psychotic disorders, schizophrenia, and substance use disorders