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J Affect Disord. 2000 Jan-Mar;57(1-3):267-72.

Psychiatric features of individuals with problematic internet use.

Author information

1
Department of Psychiatry, University of Florida, P.O. Box 100256, Gainesville, FL 32610-0256, USA.

Abstract

BACKGROUND:

Problematic internet use has been described in the psychological literature as 'internet addiction' and 'pathological internet use'. However, there are no studies using face-to-face standardized psychiatric evaluations to identify behavioral characteristics, psychiatric comorbidity or family psychiatric history of individuals with this behavior.

METHODS:

Twenty individuals with problematic internet use were evaluated. Problematic internet use was defined as (1) uncontrollable, (2) markedly distressing, time-consuming or resulting in social, occupational or financial difficulties and (3) not solely present during hypomanic or manic symptoms. Evaluations included a semistructured interview about subjects' internet use, the Structured Clinical Interview for Diagnostic and Statistical Manual of Mental Disorders-IV (SCID-IV), family psychiatric history and the Yale-Brown Obsessive-Compulsive Scale (Y-BOCS) modified for internet use.

RESULTS:

All (100%) subjects' problematic internet use met DSM-IV criteria for an impulse control disorder (ICD) not otherwise specified (NOS). All 20 subjects had at least one lifetime DSM-IV Axis I diagnosis in addition to their problematic internet use (mean+/-SD=5.1+/-3.5 diagnoses); 14 (70.0%) had a lifetime diagnosis of bipolar disorder (with 12 having bipolar I disorder).

LIMITATIONS:

Methodological limitations of this study included its small sample size, evaluation of psychiatric diagnoses by unblinded investigators, and lack of a control group.

CONCLUSIONS:

Problematic internet use may be associated with subjective distress, functional impairment and Axis I psychiatric disorders.

PMID:
10708842
DOI:
10.1016/s0165-0327(99)00107-x
[Indexed for MEDLINE]

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