Psychometric Properties of the Spanish Version of the Changes in Sexual Functioning Questionnaire Short-Form (CSFQ-14) in Patients with Severe Mental Disorders

Sexual dysfunction in patients with severe mental disorders is often underestimated or overlooked by psychiatrists. A brief and valid self-report instrument for assessing sexual functioning may well contribute to changing this situation. To validate the Short Form of the Changes in Sexual Functioning Questionnaire (CSFQ-14) in Spanish patients with severe mental disorders. Naturalistic, cross-sectional, multicenter, validation study. Eighty-nine patients with schizophrenia and 82 with bipolar disorder were evaluated using the CSFQ-14, the Visual Analogue Scale for Sexual Functioning Satisfaction (VAS-SFS), and the Clinical Global Impression—Severity scales for mental disorders (CGI-S) and for Sexual Dysfunction (CGI-SSD). The 14-item Changes in Sexual Functioning Questionnaire. Internal reliability (Cronbach's alpha)=0.90. Construct validity=3 principal components, of which the first, arousal-orgasm, explained 46.4% of the total variance. Convergent validity: Pearson correlation coefficients between CSFQ-14 and VAS-SFS=0.33 (P