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Psychometric evaluation of the Swedish version of the PROMIS Sexual Function and Satisfaction Measures in clinical and nonclinical young adult populations

Hovén, E., Flynn, K. E., Weinfurt, K. P. , Eriksson, L. E. ORCID: 0000-0001-5121-5325 & Wettergren, L. (2023). Psychometric evaluation of the Swedish version of the PROMIS Sexual Function and Satisfaction Measures in clinical and nonclinical young adult populations. Sexual Medicine, 11(1), doi: 10.1093/sexmed/qfac006


BACKGROUND: The Patient-Reported Outcomes Measurement Information System (PROMIS®) Sexual Function and Satisfaction (SexFS) version 2.0 measurement tool was developed to assess sexual functioning and satisfaction in the general population regardless of health condition and sexual orientation. AIM: The study aimed to evaluate the psychometric properties of the Swedish version of the PROMIS SexFS measure in clinical and nonclinical populations of young adults (aged <40 years).

METHODS: The SexFS was answered by a clinical population of young adult women (n = 180) and men (n = 110) with breast cancer and testicular cancer, respectively, and a nonclinical population of young adult women (n = 511) and men (n = 324) from the general population. Psychometric properties were evaluated by examining data quality (score distribution, floor and ceiling effects, proportion of missing data), construct validity (corrected item, total correlation, scaling success), and reliability (Cronbach α).

OUTCOMES: The following domains of the SexFS 2.0 were investigated: Vaginal Lubrication, Vaginal Discomfort, Vulvar Discomfort- Clitoral, Vulvar Discomfort- Labial, Erectile Function, Interest in Sexual Activity, Satisfaction With Sex Life, Orgasm- Ability, and Orgasm- Pleasure.

RESULTS: The Swedish version of the SexFS 2.0 generated data of acceptable quality. Some noteworthy floor or ceiling effects were identified across domains and respondent groups. Corrected item totals were used to express the coherence between an item and the other items in the domain. The correlation coefficients were above 0.40 for all items, except for 1 of the items within the Vaginal Discomfort domain and for the items in the Erectile Function domain in the nonclinical group of men. High proportions of scaling success were noted across domains (96%-100%). Reliability was satisfactory (α = 0.74-0.92) for all domains, expect for Erectile Function of the nonclinical group (α = 0.53), due to low variability in item responses, which was improved somewhat (α = 0.65) when combined with the clinical group.

CLINICAL IMPLICATIONS: A flexible tool to measure self-reported sexual function and satisfaction in young men and women is available for researchers and clinicians in Sweden.

STRENGTHS AND LIMITATIONS: The nationwide population-based sample of patients with cancer, identified from national quality registers, minimized selection bias. However, men in the general population had a lower response rate (34%) compared to the other groups, which introduced a risk of bias in estimates. The psychometric evaluation was limited to young adults (aged 19-40 years).

CONCLUSION: The results provide evidence for the validity and reliability of the Swedish version of the SexFS measure for the assessment of sexual functioning and satisfaction in young adults from both clinical and nonclinical populations.

Publication Type: Article
Additional Information: © The Author(s) 2023. Published by Oxford University Press on behalf of The International Society of Sexual Medicine. This is an Open Access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted reuse, distribution, and reproduction in any medium, provided the original work is properly cited.
Publisher Keywords: Sexual satisfaction, Sexual health, Sexual dysfunction, Erectile dysfunction, Psychometrics, Patient-reported outcome measures
Subjects: R Medicine > RA Public aspects of medicine > RA0421 Public health. Hygiene. Preventive Medicine
Departments: School of Health & Psychological Sciences > Nursing
SWORD Depositor:
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