title: A psychometric investigation of the hypersexual disorder screening inventory among highly sexually active gay and bisexual men: an item response theory analysis.
abstract: BACKGROUND
  The Hypersexual Disorder Screening Inventory (HDSI) was designed as an instrument for the screening of hypersexuality by the American Psychiatric Association's taskforce for the fifth edition of the Diagnostic and Statistical Manual of Mental Disorders.
  
  
  OBJECTIVE
  Our study sought to conduct a psychometric analysis of the HDSI, including an investigation of its underlying structure and reliability utilizing item response theory (IRT) modeling, and an examination of its polythetic scoring criteria in comparison to a standard dimensionally based cutoff score.
  
  
  METHODS
  We examined a diverse group of 202 highly sexually active gay and bisexual men in New York City. We conducted psychometric analyses of the HDSI, including both confirmatory factor analysis of its structure and IRT analysis of the item and scale reliabilities.
  
  
  METHODS
  We utilized the HDSI.
  
  
  RESULTS
  The HDSI adequately fit a single-factor solution, although there was evidence that two of the items may measure a second factor that taps into sex as a form of coping. The scale showed evidence of strong reliability across much of the continuum of hypersexuality, and results suggested that, in addition to the proposed polythetic scoring criteria, a cutoff score of 20 on the severity index might be used for preliminary classification of HD.
  
  
  CONCLUSIONS
  The HDSI was found to be highly reliable, and results suggested that a unidimensional, quantitative conception of hypersexuality with a clinically relevant cutoff score may be more appropriate than a qualitative syndrome comprised of multiple distinct clusters of problems. However, we also found preliminary evidence that three clusters of symptoms may constitute an HD syndrome as opposed to the two clusters initially proposed. Future research is needed to determine which of these issues are characteristic of the hypersexuality and HD constructs themselves and which are more likely to be methodological artifacts of the HDSI.
authors.affiliation: Department of Psychology, Hunter College of the City University of New York (CUNY), New York, NY, USA; The Center for HIV/AIDS Educational Studies & Training (CHEST), New York, NY, USA; Basic and Applied Social Psychology Doctoral Program, The Graduate Center of the City University of New York (CUNY), New York, NY, USA; Health Psychology Doctoral Program, The Graduate Center of the City University of New York (CUNY), New York, NY, USA; CUNY School of Public Health at Hunter College, New York, NY, USA.
authors.forename: Jeffrey T
authors.initials: JT
authors.lastname: Parsons
authors.forename: H Jonathon
authors.initials: HJ
authors.lastname: Rendina
authors.forename: Ana
authors.initials: A
authors.lastname: Ventuneac
authors.forename: Karon F
authors.initials: KF
authors.lastname: Cook
authors.forename: Christian
authors.initials: C
authors.lastname: Grov
authors.forename: Brian
authors.initials: B
authors.lastname: Mustanski
mesh_terms: D000328:Adult; D001727:Bisexuality / Q000523:psychology*; D039721:Diagnostic and Statistical Manual of Mental Disorders; D005163:Factor Analysis, Statistical; D005260:Female; D018451:Homosexuality, Male / Q000523:psychology*; D006801:Humans; D008297:Male; D008403:Mass Screening / Q000379:methods*; D008875:Middle Aged; D010262:Paraphilic Disorders / Q000175:diagnosis* / Q000523:psychology; D010555:Personality Inventory; D011594:Psychometrics; D015203:Reproducibility of Results; D012725:Sexual Behavior / Q000523:psychology
keywords: Confirmatory Factor Analysis; Gay and Bisexual Men; Hypersexual Disorder; Item Response Theory; Sexual Compulsivity
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