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24th European Congress of Psychiatry / European Psychiatry 33S (2016) S349–S805

S383

EV102

Causes of psychoactive substance use

by cannabis users with schizophrenia

K. Simonienko

1 ,

, M. Kwiatkowski

1

, U. Cwalina

2

, N. Wygnal

1

,

K. Wilczynska

1

, B. Konarzewska

1

, N. Waszkiewicz

1

1

Medical University of Bialystok, Department of Psychiatry,

Bialystok, Poland

2

Medical University of Bialystok, Department of Statistics and

Medical Informatics, Bialystok, Poland

Corresponding author.

Introduction

Psychoactive substance use (PSU) in patients with

schizophrenia can affect the course of the disease and causes

many side effects. There is no clear evidence whether cannabis

use can trigger the first episode of schizophrenia. The main causes

of cannabis use in patients with schizophrenia are also still not

defined.

Objectives

Determine causes of PSU in cannabis users with

schizophrenia.

Aims

The aim of this study was to find out the causes of PSU in

patients with schizophrenia.

Methods

Thirty-five cannabis users with schizophrenia (28

males, 7 females) were asked to complete 15-item question-

naire about the reasons of psychoactive substance intake. Eighteen

of them used also stimulants. Additional information if PSU or

schizophrenia occurred first was also taken.

Results

The results indicated that regardless of stimulants use

PSU occurred before schizophrenia in 83% of patients. Main rea-

sons of substance intake were: need for relaxation (86%) which

was more often in marihuana group (100%) than in marihuana

and stimulants group (73.7%) and this difference was statistically

significant (

P

= 0.049), curiosity (80%), self-regulation of well-being

(74%), shyness, need for altered states of consciousness, expectation

that psychoactive substances could help them in problem solving,

relationships and sleep disorders (49–54%).

Conclusions

PSU usually occur before the first episode of

schizophrenia. Anxiety, curiosity and looking for unprofessional

help are the most common reasons. The results may indicate an

increased need of psychoeducation and social support in many

areas of life. Future research should be considered.

Disclosure of interest

The authors have not supplied their decla-

ration of competing interest.

http://dx.doi.org/10.1016/j.eurpsy.2016.01.1087

EV103

The relationship between dimensions

of impulsivity and alcohol

consumption in heavy drinkers

S.Y. Sohn

1 ,

, S. Kim

1

, S.Y. Lee

2 , 2

1

Yonsei University College of Medicine, Department of Psychiatry and

Institute of Behavioral Science in Medicine, Seoul, Republic of Korea

2

Dankook University College of Medicine- Cheil General Hospital &

Women’s healthcare center, Psychiatry, Seoul, Republic of Korea

Corresponding author.

Introduction

Impulsivity has been studied as underlying mech-

anism among addictive disorders such as alcohol use disorder.

Several authors have suggested that impulsivity is not a unitary

construct and consist of several subconstructs such as response

inhibition, risk taking.

Objectives

This study conceptualized impulsivity as a multidi-

mensional construct and those subconstucts of impulsivity can

predict alcohol use differentially.

Aims

Our aim was to identify the specific component of impul-

sivity that explained the greatest variance in heavy and problem

drinking among a sample of alcohol use disorder.

Methods

Participants with alcohol use disorder (

n

= 170) com-

pleted a behavioral test battery comprising response inhibition

tasks (Stop signal task), the Balloon Analogue Risk Task (BART)

as measures of subconstruct of impulsivity. Participants also com-

pleted the UPPSP as a measure of general impulsivity.

Results

In a multiple regression model, impulsivity measured by

UPPSP and risk-taking was identified as the measures that pre-

dicted alcohol use and problems.

Conclusions

Results suggest that among patientswith alcohol use

disorder, a behavioral measure of risk-taking predicts alcohol con-

sumption and alcohol problems, even when individual differences

in trait impulsivity are statistically controlled. However, behavioral

measures of response inhibition do not predict unique variance in

alcohol use in patients with alcohol use disorders.

Disclosure of interest

The authors have not supplied their decla-

ration of competing interest.

http://dx.doi.org/10.1016/j.eurpsy.2016.01.1088

EV104

Problem-solving appraisal as

mediator, moderator and predictor of

smoking-abstinence effects

A. Soliman

Qatar University, Social Sciences, Doha, Qatar

Introduction

There are extensive investigations explaining smok-

ing abstinence effect, yet little is known about the cognitive and

metacognitive mechanisms that underlie the severity of smoking

abstinence effects. Several studies reported that that problem-

solving appraisal is associated with psychological maladaptive

behaviors, such as depression, anxiety.

Objectives

Examining the role of problem-solving appraisal as

mediator, moderator and/or predictor of the severity of withdrawal

symptoms and probably relapse.

Aims

Studying the role of problem-solving appraisal in the sever-

ity of smoking abstinence withdrawal symptoms.

Methods

The present study utilized a two-group pretest and

posttest design to examine the mediating, moderating and pre-

dicting role of problem-appraisal of smoking-abstinence effects. A

total of 92 adult men smokers were administered the problem-

solving inventory (PSI-Ar) as well as several self-report measures

of most reported smoking abstinence effects (pre-test), and then

were asked to stop smoking for 48 h and administered again the

same measures except the PSI-Ar (post-test).

Results

The results revealed that problem-solving appraisal acts

as a possible mediator and predictor but not moderator of the

severity of smoking-abstinence effects. The individuals with who

appraised themselves as ineffective problem solvers have shown

more sever abstinence effects i.e. somatization, depression, general

anxiety, panic, mood states, smoking urges, insomnia and habitual

sleep duration.

Conclusions

Problem-solving appraisal plays a key role in sever-

ity of smoking-abstinence effects by means of mediating the

relationship between abstinence effects before and after smok-

ing abstinence. The findings are discussed in the context of future

research and possible intervention recommendations.

Keywords

Appraisal; Problem-solving appraisal;

Problem-solving inventory; PSI-Ar; Smoking abstinence effects

Disclosure of interest

The author has not supplied his declaration

of competing interest.

http://dx.doi.org/10.1016/j.eurpsy.2016.01.1089