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Table 1 Characteristics of the patients in the cohort at first admission 1970-1978 (n = 561)

From: Substance abuse and psychiatric co-morbidity as predictors of premature mortality in Swedish drug abusers a prospective longitudinal study 1970 - 2006

  Deceased in 2006 Alive in 2006 Total
Demographics n = 204 n = 357 n = 561
Age at first detoxification m = 25.9
SD/range 8.8/13-68
m = 23.2
SD/range 5.9/13-50
M = 24,3 (SD = 7.2)
  % % %
male gender 76 63 68
Drugs    
   opiates 82/40% 96/27% 191/34%
   stimulants 75/37% 171/48% 236/42%
   cannabis 96/47% 218/61% 286/51%
   barbiturates 37/18% 32/9% 84/15%
   hallucinogenic drugs 18/9% 21/6% 45/8%
   alcohol 4/2% 25/7% 28/5%
   Poly-drug abuse1 120/59% 207/58% 331/59%
Somatic conditions    
Any somatic disease 122/60% 182/51% 309/55%
Hepatitis (A, B, non A - non B)2 104/51% 164/46% 269/48%
Psychiatric conditions    
Psychosis 18/9% 57/16% 79/14.4%
Neurosis 29/14% 54/15% 84/14.8%
Personality disorder 39/19% 75/21% 112/20.1%
  1. 1 poly drug use; abuse of at least 2 substances at the same time
  2. 2 it was not possible to diagnose hepatitis C before 1991