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Sexual function questionnaire: further refinement and validation.

Tara Symonds1, Lucy Abraham, Andrew G Bushmakin

  • 1PRO Centre of Excellence, PCBU, Pfizer Ltd, Walton Oaks, Surrey, UK. tara.symonds@pfizer.com

The Journal of Sexual Medicine
|January 18, 2012
PubMed
Summary

The Sexual Function Questionnaire 28 (SFQ28) is a reliable tool for assessing female sexual function in conditions like female sexual arousal disorder (FSAD) and hypoactive sexual desire disorder (HSDD). A new screening cut-score of 5 was established for its arousal-cognitive domain.

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Area of Science:

  • Reproductive Medicine
  • Psychometrics
  • Clinical Psychology

Background:

  • The Sexual Function Questionnaire (SFQ) is a self-report measure for female sexual function.
  • A refined 28-item version (SFQ28) includes a new arousal-cognitive domain.

Purpose of the Study:

  • Validate the SFQ28 in populations with female sexual arousal disorder (FSAD) and hypoactive sexual desire disorder (HSDD).
  • Establish a screening cut-score for the SFQ28's arousal-cognitive domain.

Main Methods:

  • Psychometric validation using factor analysis, internal consistency, test-retest reliability, and known groups validity.
  • Convergent validity assessed with the Female Sexual Distress Scale (FSDS) and Sexual Quality of Life-Female (SQOL-F).
  • Receiver operating characteristic curve analysis determined the arousal-cognitive domain cut-score.

Main Results:

  • Factor analysis confirmed the SFQ28's domain structure.
  • SFQ28 demonstrated excellent internal consistency, test-retest reliability, and known groups validity.
  • Good convergent validity was observed with FSDS and SQOL-F, except for the pain domain. A cut-score of 5 was identified for the arousal-cognitive domain.

Conclusions:

  • The SFQ28 is a psychometrically robust measure for assessing female sexual function in women with FSAD or HSDD.
  • Replicated psychometric data and established cut-scores support the SFQ28's clinical utility.