Background: The goal of this study was to describe the sociodemographic and
clinical characteristics and routine psychiatric care of depressed patient
s with or without substance use disorders (SUDs) and to assess the associat
ion between the presence of comorbid SUD and the psychiatric management of
patients with depression.
Method: Each of a sample of 531 psychiatrists participating in the Practice
Research Network (PRN) of the American Psychiatric Institute for Research
and Education was asked to provide information about 3 randomly chosen pati
ents. Data were collected using a self-administered questionnaire, which ge
nerated detailed diagnostic and clinical data on 1228 psychiatric patients.
Weighted data were analyzed using the SUDAAN software package. Multivariat
e logistic regression was used to compare depressed patients with and witho
ut SUD.
Results: A total of 595 patients (48.4%) were diagnosed with depression (DS
M-IV criteria). The prevalence of SUD (excluding nicotine dependence) in th
is group was 18.1%. The group with SUD had a significantly larger proportio
n of males, young adults, patients seen in public general hospitals, and no
n-managed care public plans. No significant group differences were found fo
r primary payer, locus of care, length of treatment, type of current or pas
t treatment, and prescription of medications. Only 2.2% of SUD patients wer
e prescribed with an anti-SUD medication (i.e., disulfiram and naltrexone).
Conclusion: Concomitant SUDs have little effect on the routine psychiatric
care of depressed patients. Efforts should be made to improve the identific
ation and management of depressed patients with SUD.