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Ind Psychiatry J. 2018 Jul-Dec;27(2):264-270. doi: 10.4103/ipj.ipj_86_18.

Study to determine the prevalance of substance use and factors associated with it, in first-episode of psychosis.

Author information

Department of Psychiatry, 166 MH, Jammu, Jammu and Kashmir, India.
Department of Psychiatry, Base Hospital Delhi Cantt, New Delhi, India.
Department of Psychiatry 151 Base Hospital, Guwahati, Assam, India.



Psychoactive substance use occurs commonly in patients with psychotic disorders.


This study aimed to determine the prevalence of substance use in first-episode psychotic patients and to evaluate the association between substance use and various sociodemographic variables.

Materials and Methods:

This was a cross-sectional study, and symptomatic first-episode, treatment-naive psychosis patients were included (n = 79). A semi-structured pro forma was used for the evaluation of sociodemographic and clinical characteristics. The patients were then interviewed for use of any psychoactive substance in their lifetime. In each case, the history was corroborated by a family member or a caregiver. Wherever required, a second interview was conducted.


The mean age at the onset of psychotic disorder for substance users was 36.09 years and for nonusers was 35.50 years. Almost three-fourth of the patients reported the use of at least one substance in their lifetime. Alcohol use was reported by 40.50% of patients, tobacco by 55%, and cannabis by 8.86%. It was significant in patients who were diagnosed with schizophrenia, acute and transient psychotic disorder, persistent delusional disorder, and unspecified nonorganic psychotic disorder.


The results show a high prevalence of psychoactive substance abuse compared to the prevalence in the general population. This has tremendous significance in the management of such illness, which is known to impact the prognosis adversely.


Alcohol; psychosis; substance abuse; substance-induced disorder; tobacco

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