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Table 1 Characteristics of individuals with a lifetime illegal drug use disorder: the NESARC, 2001/2002-2004/2005 (weighted %)

From: Treatment for illegal drug use disorders: the role of comorbid mood and anxiety disorders

  Total study population (n = 1114) Untreated study population (n = 764)
  Treated (n = 350) Not treated (n = 764) P-value Perceived unmet need for treatment (n = 127) No unmet need for treatment (n = 637) P-value
Sex       
Male 64.7 60.9 0.32 61.6 57.5 0.48
Female 35.3 39.1 38.4 42.5  
Age       
18-34 36.0 46.5 0.08 49.0 33.1 0.09
35-54 54.3 47.0 44.4 60.7  
≥55 9.7 6.5   6.6 6.2  
Education       
<High school 14.4 16.5 0.39 16.7 15.4 0.93
≥ High school 85.6 83.5 83.3 84.6  
Family income       
$10 000–19,000 30.3 25.0 0.44 25.0 25.0 0.99
≥$20 000 69.7 75.0 75.0 75.0  
Marital status       
Married 51.0 45.6 0.16 44.5 51.4 0.29
Not married 49.0 54.4 55.5 48.6  
Ethnicity       
White 75.9 69.7 0.32 69.5 79.9 0.19
Black 10.3 10.8 9.9 15.2  
Other 13.8 19.5   20.6 38.8  
Type of illegal drug used       
Cannabis 50.6 48.0 0.73 53.9 42.0 0.06
Cocaine 45.5 30.6 0.0003 27.8 45.2 0.003
Heroin 7.6 2.6 0.008 2.6 2.6 0.99
Tranquilizers 15.8 8.2 0.006 8.1 9.0 0.78
Opioids 20.7 17.6 0.35 17.9 15.8 0.66
Amphetamine 25.2 19.3 0.08 17.7 28.2 0.03
Sedatives 13.2 8.9 0.08 8.8 9.3 0.89
Hallucinogens 12.1 8.9 0.23 8.9 8.9 0.99
Inhalants/Solvents 2.73 1.4 0.28 1.5 0.9 0.59
Psychiatric profile       
Illegal drug use disorder + neither mood nor anxiety disorder 18.7 22.0 0.28 24.3 10.2 0.004
Illegal drug use disorder + mood disorders only 20.9 21.3 0.88 21.8 18.7 0.49
Illegal drug use disorder + anxiety disorders only 8.9 13.1 0.10 12.6 15.4 0.53
Illegal drug use disorder + mood and anxiety disorder 51.6 43.6 0.03 41.3 55.7 0.02