Translation, Adaptation, and Preliminary Validation of the Female Sexual Function Index into Spanish (Colombia)

Spanish adaptation and validation of sexual distress scale in Colombian population

Background/Objective

The adaptation and validation of measures to assess Sexual Distress (SD) are crucial for the diagnosis and treatment of sexual dysfunction. This study aimed to adapt and validate the Spanish Sexual Distress Scale (SDS) in a Colombian sample and provide a percentile ranking score for a comprehensive understanding of sexual distress among the population.

Method

Five hundred ninety-six people from Colombia (50.08 % women; 49.92 % men) aged 18-60 participated in the study. Exploratory and confirmatory factorial analyses and a convergent validity analysis were performed.

Results

The SDS showed a high internal consistency (Ω = .95, α = .94) and a unidimensional model. Significative correlations were found between the SDS and related measures with sexual functioning, further supporting its convergent validity.

Conclusions

The SDS is a valid and reliable measure to evaluate SD in Colombians, with implications for clinical practice and sexual health research. More investigations are needed to address the limitations, strengthen the validity and reliability of the scale, and develop specific interventions based on its results.

The Role of Emotion Regulation Strategies for Sexual Function and Mental Health: A Cluster Analytical Approach

We investigated distinct profiles in emotion regulation strategies (reappraisal and suppression) and their associations with sexual function and mental health. The online survey sample consisted of 5436 adult participants. The gender stratified cluster analysis resulted in a four-cluster solution for both men and women. Better sexual function and mental health scores were found for participants with high cognitive reappraisal and low expressive suppression. High expressive suppression was associated with higher anxiety and depression and worse sexual function. Sexological care should take into account the assessment of emotion regulation abilities and emotion regulation training interventions to support reappraisal strategies.

Translation, Cross-Cultural Adaptation, and Psychometric Properties of the Perceptions of Dating Infidelity Scale in Brazilian Portuguese

The Perceptions of Dating Infidelity Scale (PDIS) assesses how people perceive infidelity through specific behaviors. Originally developed by Wilson et al. (2011), it contains 12 items distributed into three factors: (1) ambiguous, (2) deceptive, and (3) explicit behaviors. In the present research, translation, cross-cultural adaptation, and validation of the PDIS in Brazilian Portuguese were performed. First, qualitative analyses took place: translation, translation synthesis, content validation, pre-test, and reverse translation. Then, quantitative analyses were conducted: psychometric parameter tests with confirmatory factor analysis and reliability. A total of 252 participants were recruited, 160 of whom were female (63.5%). The results indicated consistent PDIS adequacy (conceptual and idiomatic equivalences); satisfactory content validity coefficients regarding language clarity, practical pertinence, and theoretical relevance; and an almost perfect level of consensus regarding the theoretical dimension. The application of the pre-test was proven to be a good parameter for estimating the comprehension of the instrument in the culture for which it was intended. Confirmatory factor analysis showed good indices of adjustment quality of the tested trifactorial model (three factors being identified with ambiguous, deceptive, and explicit behaviors). Therefore, the structure indicated in the original version was corroborated and the instrument's reliability confirmed. The Brazilian Portuguese PDIS is a useful tool for evaluating infidelity perceptions in the Brazilian culture.

A psychometric evaluation of the Female Sexual Function Index in women treated for breast cancer

Background

We aimed to determine the psychometric properties and factor structure of the 19‐item Female Sexual Function Index (FSFI) in 132 sexually active women previously treated for breast cancer.

Methods

Confirmatory factor analysis explored three models: (a) second‐order six‐factor, (b) six‐factor, and (c) five‐factor models combining the desire and arousal subscales.

Results

Results revealed excellent reliability for the total score (Cronbach's α = 0.94), and domain scores (all Cronbach's αs > 0.90), and good convergent and discriminant validity. The six‐factor model provided the best fit of the models assessed, but a marginal overall fit (Tucker–Lewis index = 0.91, comparative fit index = 0.93, root mean square error of approximation = 0.09). Exploratory factor analyses (EFA) supported a four‐factor structure, revealing an arousal/orgasm factor alongside the original pain, lubrication, and satisfaction domains.

Conclusion

The arousal/orgasm factor suggests a “sexual response” construct, potentially arising from an underlying latent factor involving physical and mental stimulation in conceptualizations of arousal and orgasm in women treated for breast cancer. Finally, the EFA failed to capture an underlying desire factor, potentially due to measurement error associated with the small number of items (two) in this domain. Despite evidence that the FSFI has sound psychometric properties, our results suggest that the current conceptualizations of the FSFI might not accurately represent sexual functioning in women previously treated for breast cancer. Further research is required to elucidate the factors that influence desire, arousal, and orgasm in sexually active women in this population, and the reasons underlying sexual inactivity. Practical and theoretical implications for FSFI use in this population are discussed.

Prevalencia de disfunción sexual en gestantes en control prenatal en una institución hospitalaria en Rionegro, Colombia, 2020-2021

Objetivo:

Describir la prevalencia de la disfunción sexual en un grupo de mujeres gestantes y hacer una exploración de posibles factores asociados a la disfunción sexual en estas mujeres.

Materiales y métodos:

Estudio descriptivo y trasversal en mujeres gestantes cuyas edades son de 15 años o más, con actividad sexual en la gestación, que asistieron al control prenatal en el Hospital San Juan de Dios de Rionegro entre los meses de enero y marzo del 2021. Se excluyeron pacientes con limitaciones o discapacidad cognitiva, o clasificadas con trastorno mental según la Organización Mundial de la Salud (OMS), gestantes con patologías crónicas, placentarias, ovulares, hemorrágicas e infecciosas, y las pacientes cuya gestación fue resultado de violencia sexual. Se aplicó el cuestionario Índice de Función Sexual Femenina (FSFI), se midieron variables sociodemográficas y de salud sexual y reproductiva. Los resultados se expresan en frecuencias absolutas y relativas para las variables cualitativas y medianas, y rangos intercuartílicos para las variables cuantitativas.

Resultados:

La mediana de edad fue de 27,5 años (RIC: 21,3-31,0); de edad gestacional 28,5 semanas (RIC: 21,3-34,8). Tras la aplicación del FSFI, 37 mujeres (37,7%) tuvieron disfunción sexual (puntaje < 26,5). La mediana del puntaje de las participantes sin disfunción sexual fue de 29,4 (RIC 26,8-32), mientras que por el lado de las que tienen disfunción sexual fue de 22,3 (RIC 20-24). La media del puntaje para cada dominio fue: deseo: 3,6 (RIC: 3,0-4,2); excitación: 4,5 (RIC: 3,6-5,1); lubricación: 4,8 (RIC: 3,9-5,4); orgasmo: 4,4 (RIC: 3,6-5,2); dolor: 4,4 (RIC: 3,6-6,0); y satisfacción: 5,4 (RIC: 4,8-6,0). Fueron factores protectores no tener hijos ni cesáreas previas. La ausencia de compañero y menor edad estuvieron asociados a disfunción sexual.

Conclusión:

La disfunción sexual se presenta en por lo menos un tercio de las gestantes, especialmente en el tercer trimestre. En la práctica clínica diaria se hace necesario abordar la disfunción sexual, ya que se puede contribuir desde el abordaje de la educación a un problema que puede afectar las relaciones de pareja y la calidad de vida. Es fundamental generar nuevas investigaciones que incluyan la evaluación de la efectividad y seguridad de estrategias educativas en este grupo poblacional con disfunción sexual.

Efectos del tadalafilo en el deseo sexual y la excitación/lubricación en mujeres postmenopáusicas

Objetivo Determinar los efectos y la seguridad del tadalafilo en el deseo sexual y la excitación/lubricación en mujeres postmenopáusicas.

Métodos Estudio cuasi experimental (con comparación antes de la intervención y después), con seguimiento de la cohorte de pacientes: 228 mujeres mayores de 40 años en postmenopausia, que consultaron por bajo deseo sexual y alteración de la excitación /lubricación, en una clínica sexológica en Armenia (Colombia), entre 2018 y 2019. Las mujeres recibieron 2,5 mg diarios de tadalafilo durante 12 semanas. Se determinaron las puntuaciones del instrumento, el Índice de Función Sexual Femenina (IFSF), cada cuatro semanas.

Resultados El promedio de edad fue de 54,36 ± 4,92 años. Antes del tratamiento, la media en la puntuación del IFSF fue de 22,41 puntos (intervalo de confianza del 95% [IC95%]: 7,11–29,76); a las 4 semanas, 24,73 puntos (IC95%: 23,51–30,28); a las 8 semanas, 25,97 puntos (IC95%: 24,26–31,53); y, al final, 26,99 puntos (IC95%: 25,97–32,46), con diferencias estadísticamente significativas entre las 4 medidas pareadas (p < 0,001). La excitación fue el dominio con mayor puntuación tras el tratamiento (4,83 puntos; IC 95%: 4,36–4,91), seguida por la lubricación (4,77 puntos; IC95%: 4,28–4,87). El deseo sexual mostró un significativo incremento al final del estudio (4,29 puntos; IC95%: 4,07–4,39). Se presentaron efectos adversos leves. Se observó una satisfacción con el consumo de tadalafilo del 84,21%.

Conclusiones El tratamiento diario con 2,5 mg de tadalafilo genera mejoría en la función sexual de mujeres en la postmenopausia, y el incremento en la puntuación del IFSF demuestra su efecto positivo.

Cross-sectional study on the impact of age, menopause and quality of life on female sexual function

We sought to determine the prevalence of female sexual dysfunction (FSD) and to examine the influence of age, menopausal state and quality of life (QoL) on the female sexual function (FSF) of healthy women and those with benign gynaecological disease. With this purpose, we conducted a cross-sectional study, based on self-report questionnaires (sociodemographic, WHOQOL-BREF and FSFI), enrolling 107 women. Some 51.6% (n = 55) were diagnosed with FSD. We found no statistical significant differences between grouped reason for consultation and FSFI total score (p = .72) and its domains (p > .05). The results showed a negative strong correlation between age and FSFI total score (S= -0.71) and a positive moderate correlation between WHOQOL-BREF and FSFI total scores (S = 0.39). We observed statistically significant differences between menopausal state and FSFI total score (p = .001). In conclusion, the prevalence of FSD in our population was 51.6%. Our study results reveal that a reduction in FSFI scores has a negative impact on QoL and vice versa, regardless of the reason for consultation. Elderly age and postmenopausal state have deleterious effects on FSF.Impact statementWhat is already known on this subject? Poor QoL can adversely affect FSF and vice versa. The study of FSF is relatively recent and there is controversy regarding the deleterious effects of elderly age and menopause on FSF. The prevalence of FSD is difficult to precisely determine, given the studies' use of different definitions for FSD and the highly heterogeneous study populations, as well as the types of tests and questionnaires employed. Sexual difficulties are problems seldom discussed between patients and their physicians. Lack of time, misconceptions, shame and frustration, considering sexuality as too intimate to discuss in the doctor's office, uncertainty regarding therapeutic options and insufficient training of health professionals are just some of the reasons mentioned for not addressing sexual dysfunction in a general consultation.What do the results of this study add? Our study is the first research in Spain on the impact of age, menopause and QoL on gynaecological patients´ FSF. Our results indicate that an impaired FSF could be related to poorer well-being and QoL; however, benign gynaecological disease does not appear to affect FSF. Elderly age and postmenopausal state can have deleterious effects on FSF.What are the implications of these findings for clinical practice and/or further research? Sexuality is an important aspect of QoL. Therefore, gynaecologists should discuss issues of sexuality with their patients in routine visits, especially in case of elderly and postmenopausal women. In addition, gynaecologists should train in the diagnosis and treatment of the female sexual dysfunction.

Factor structure, internal consistency and distribution of Female Sexual Function Index among Mexican women with early diagnostic of breast cancer

 Background: Female Sexual Dysfunction (FSD) occurs frequently in women with breast cancer due to oncologic treatments. It is essential to have a validated instrument to diagnose and quantify FSD in this population accurately. Objective: To validate the Female Sexual Function Index (FSFI). Method: The FSFI was applied to 272 sexually active Mexican women with recent diagnosis of breast cancer who had not initiated systemic cancer treatment. Results: The FSFI six-factor model is valid by confirmatory factor analysis, and the inventory and its factors have adequate internal consistency reliability. Conclusions: This study provides enough evidence about the reliability and factor structure of the FSFI questionnaire in the context of breast cancer clinical practice in Mexico.

One-year incidence of low libido in women using levonorgestrel subdermal implant as contraception. Cohort study. Armenia, Colombia, 2014-2019

Objetivo:

Definir la incidencia de deseo sexual hipoactivo (DSH) en mujeres que planifican con el implante subdérmico de levonorgestrel (LNG) después de 12 meses, y conocer otros efectos adversos.

Materiales y métodos:

Estudio de cohorte, cuyas participantes fueron mujeres mayores de 18 años sin hijos ni embarazos previos y con pareja estable, a quienes se les había insertado el implante de LNG al menos tres meses previos en una clínica privada de carácter universitario en Armenia (Quindío), Colombia, entre 2014 y 2019. Se excluyeron mujeres con antecedentes de disfunción sexual, infecciones de transmisión sexual en los últimos 6 meses, peso mayor a 89 Kg y dificultades para el seguimiento. El muestreo fue consecutivo. Se describieron las características de la población estudiada, se estimó la incidencia acumulada de DSH y efectos adversos relacionados con el implante subdérmico de LNG

Resultados:

Participaron 238 mujeres cuya edad media fue de 24,69 (DE ± 5,82) años. Se determinó una incidencia de deseo sexual hipoactivo del 18,82%. El 60,25% de las mujeres fueron diagnosticadas con DHS en los primeros 6 meses de seguimiento. Los efectos adversos se hicieron presentes desde los primeros 3 meses de la inserción del implante, el sangrado irregular (62,34%) fue el más frecuente, seguido de la amenorrea (38,91%) y el aumento de peso (33,89%).

Conclusiones:

Es importante que los médicos y las usuarias se informen sobre la presencia del trastorno de deseo sexual hipoactivo y los efectos adversos que pueden surgir con el uso del implante subdérmico de levonorgestrel. Las futuras investigaciones deben confirmar estos hallazgos, así como su eventual base fisiológica.

Individual, Relational, and Sociocultural Determinants of Sexual Function and Sexual Satisfaction in Ecuador

Aim

Various individual, relational, and sociocultural variables have been identified as determinants of sexual responding, but these have rarely been investigated in non-Western cultures that are characterized by sexual conservatism. We aimed to explore the role of socioeconomic status and religion, sexual double standards, erotophobia-erotophilia, sexual dysfunctional beliefs, and relationship satisfaction to explain sexual function and satisfaction in Ecuador.

Method

599 participants (431 women and 159 men) completed an online survey.

Main Outcomes Measures

The Female sexual function was predicted by sexual satisfaction, relationship satisfaction, sexual dysfunctional beliefs, and sexual double standards, while the male sexual function was predicted solely by sexual satisfaction. Additionally, female sexual satisfaction was predicted by sexual function, relationship satisfaction, and sexual dysfunctional beliefs, while male sexual satisfaction was predicted by sexual function and relationship satisfaction.

Results

Female Sexual Function Index, International Index of Erectile Function, Brief Sexual Opinion Survey, Sexual Double Standards Scale, Sexual Dysfunctional Beliefs Questionnaire, New Sexual Satisfaction Scale, and Couple Satisfaction Index.

Conclusion

This study provided novel information on the determinants of sexual function and satisfaction within a culture in which conservative religious beliefs still prevail. Results should be interpreted with caution given the unequal distribution of men and women, social desirability and volunteer biases, and the specific COVID-19 pandemic context during which the survey took place. Markers of sexual conservatism were inversely related to sexual function and satisfaction, mainly in women, and may, therefore, be important targets of treatment. Female sexuality seemed more context-dependent than male sexuality, although enhancing the general climate of the relationship may benefit feeling sexually satisfied in both men and women. DA Hidalgo, M Dewitte. Individual, Relational, and Sociocultural Determinants of Sexual Function and Sexual Satisfaction in Ecuador. Sex Med 2021;9:100307.

Treatment and Impact of Cervical-Cancer-Related Lymphatic Disorders on Quality of Life and Sexuality Compared with Controls

Background: Lymphatic disorders are frequent complications related to treatment for cervical cancer (CC). The aims of the study are to evaluate the impact of lymphatic disorders on quality of life (QOL) and sexuality in CC survivors after the completion of oncological treatment and to compare them with controls. Methods and Results: An ambispective cohort study was performed by using the Functional Assessment Cancer Therapy (FACT)-Cervix (Cx) fourth version, the World Health Organization Quality of Life-Brief Version (WHOQOL-BREF), and the Female Sexual Function Index (FSFI). Twelve patients affected by lymphatic disorders comprised the study group, 251 comprised the CC control group, and 185 comprised the non-CC control group. Regarding QOL, there were no statistically significant differences between the lymphatic disorder-unaffected and non-CC control groups, except in the WHOQOL-BREF environment domain. A weak positive correlation between lymphatic disorder and FACT-Cx additional concerns (σ = 0.135) was observed. Regarding sexuality, a weak negative correlation was detected between lymphatic disorders and FSFI sexual satisfaction (σ = -0.200) and a weak positive correlation was observed between lymphatic disorders and FSFI dyspareunia (σ = 0.148). We did not observe statistically significant differences in QOL satisfaction between the lymphatic disorder-affected and non-CC control groups. Symptomatic controls reported significantly higher physical health scores than the lymphatic disorder-affected group (p < 0.05). Regarding the psychological domain, the asymptomatic controls obtained significantly higher scores than the lymphatic disorder-affected group (p = 0.003). Conclusions: Lymphatic disorders notably influenced the QOL of CC survivors compared with the non-CC control groups. Lymphatic disorders had a significant negative impact on physical and psychological health. Sexuality was scarcely affected by lymphatic disorders.

Temporal stability and clinical validation of the Spanish version of the female sexual function inventory (FSFI)

The Female Sexual Function Index is one of the most common instruments used to evaluate the female sexual function. The present study aimed to analyze the test-retest reliability, internal consistency, and discriminant validity of the index in clinical samples and to determine a specific and sensitive cutoff point for the Spanish version of the Female Sexual Function Index. For that purpose, a sample consisting of 117 Colombian women was recruited to evaluate test-retest reliability, and a second sample, consisting of 185 women, was divided into diagnosis and no-diagnosis groups based on DSM-5 criteria. Results showed adequate test-retest reliability after four weeks, and satisfactory evidence of internal consistency was obtained for subscale and overall scores. The inventory was found to have an adequate criterion validity, and it confirmed the differences between diagnosis and no-diagnosis groups. The instrument's cutoff point was determined to be 26 points, with a specificity of 73.9%, a sensitivity of 87.7%, and an area under the curve of 85.9 (CI = 80.0-91.7). These results confirm that the Spanish version of the FSFI is an adequate tool for evaluating female sexual dysfunction based on DSM-5 criteria.

Validación de las Escalas de Inhibición y Excitación Sexual (SIS/SES-SF) en colombianos

Las escalas SIS/SES-SF han sido desarrolladas para medir la inhibición y la excitación sexual. El objetivo del presente estudio fue adaptar y validar estas escalas en población colombiana. Para esto, se realizó la adaptación cultural y validación de contenido de las escalas por medio del juicio de siete expertos, y se validaron psicométricamente sobre una muestra de 2125 participantes (1000 hombres y 1125 mujeres). Los hombres contestaron al International Index of Erectile Function y la Premature Ejaculation Diagnostic Tool; mientras que el total de la muestra contestó al Sexual Desire Inventory, al Massachusetts General Hospital-Sexual Functioning Questionnaire y a la Sexual Inhibition/Sexual Excitation Scales-Short Form, todo ello junto a una batería sociodemográfica. El muestreo se realizó de forma virtual a través de Facebook. Los índices de las escalas mostraron una apropiada validez y fiabilidad. Además, para ambos sexos, las escalas mostraron un nivel de invarianza estricto. Las relaciones significativas con las otras medidas dan cuenta de su validez de criterio. Se sugiere el uso del instrumento para continuar con la investigación del Modelo de Control Dual dentro de la sexualidad en Latinoamérica.

The female sexual function index: reliability and validity in Spanish postmenopausal women

OBJECTIVE

To examine the reliability and validity of the Spanish version of the Female Sexual Function Index (FSFI) and its ability to discriminate between women with and without female sexual dysfunction (FSD) among Spanish postmenopausal women.

METHODS

A total of 152 postmenopausal women completed the Spanish version of FSFI. Internal consistency, test-retest reliability, and construct validity (exploratory factor analysis) were analyzed. Concurrent and divergent validity were assessed using a visual analog scale for overall satisfaction with sexual life and the Hospital Anxiety and Depression Scale, respectively. To determine the ability and the accuracy of the FSFI total score in discriminating between women with and without FSD, a receiver-operating characteristic curve analysis was performed.

RESULTS

Factor analysis suggested a three-factor structure (explained variance 77.77%). The Spanish FSFI showed substantial-to-excellent test-retest reliability, with good internal consistency in the FSFI total score (Cronbach's alpha = 0.964), and also in its three dimensions. The FSFI total and domains scores showed strong (r > 0.50) and significant correlations (P < 0.01) with overall satisfaction with sexual life (concurrent validity), and low correlations with anxiety and depression (divergent validity). The Spanish FSFI total score and dimensions were significantly able to discriminate between women with and without FSD (P < 0.05), with an optimal cut-off point of <24.95 for the FSFI total score (64.15% sensitivity and 75.76% specificity).

CONCLUSIONS

The Spanish FSFI is a valid and reliable instrument for assessing and discriminating for FSD among Spanish postmenopausal women.

The Female Sexual Function Index: Transculturally Adaptation and Psychometric Validation in Spanish Women

BACKGROUND

The evaluation of sexual function is an important outcome in women who suffer some pelvic floor disorders (PFD). The Female Sexual Function Index (FSFI) is the most widely used questionnaire to evaluate the sexual health in female population. This study presents the adaptation and psychometric validation of the FSFI for Spanish women with PFD.

METHODS

The Spanish version of the FSFI was developed through the forward and backward translation process. The psychometric properties of reliability, validity, responsiveness, and feasibility were conducted in Spanish women with PFD who were assigned to the case or control group (with or without sexual dysfunction respectively).

RESULTS

A total of 323 Spanish women with PFD were recruited. The cross-cultural adaptation of the Spanish FSFI achieved a good semantic, conceptual, idiomatic, and content equivalence. The test-retest reliability was shown to be high in all of the cases. The convergent validity showed high results in the domain intercorrelations between each domain and total FSFI. The discriminant validity showed statistically significant differences between sexual dysfunction and control groups. The responsiveness was shown to be moderate to good in the dimensions and excellent in the total FSFI.

CONCLUSIONS

Spanish FSFI can be used as a reliable, valid, responsive, and feasible instrument for assessing sexual function in women.

Scoring and Interpretation of the FSFI: What can be Learned From 20 Years of use?

INTRODUCTION

Over the past 20 years, the Female Sexual Function Index (FSFI) has been considered the gold standard for the measurement of sexual function in women, with over 1,000 published manuscripts citing the article. Despite the measure's widespread usage and excellent psychometric properties, there has been some confusion over how to best implement and score the measure and interpret corresponding findings.

AIM

The aim of the current article is to provide guidance, drawing from 20 years of use, on how to best implement the FSFI in research settings and interpret results based on the validation studies that have been conducted to date.

METHODS

The overview of scoring and interpretation procedures found in this article is drawn from a review of the published literature on the psychometric properties of the FSFI.

MAIN OUTCOME MEASURE

The measure of interest for the present review is the FSFI.

RESULTS

This review article provides information about implementing, scoring, and interpreting the full-scale FSFI. Domain-level scoring and interpretation procedures are also discussed across the 5 domains of the FSFI: arousal, satisfaction, desire, pain, and lubrication. Additionally, guidance is provided for evaluating translated versions of the FSFI and using the measure to examine sexual function in culturally diverse populations.

CLINICAL IMPLICATIONS

Guidance on appropriately scoring and interpretating the FSFI has the potential to strengthen our empirical understanding of sexual function, and consequently, to guide theory-driven treatment development and clinical practice.

STRENGTH & LIMITATIONS

The present review provides applied guidance for the appropriate use of the FSFI specifically, but does not cover other common measures of sexual function or adaptations of the original measure.

CONCLUSION

It is our hope that the guidance found in this review will ultimately lead to more rigorous and appropriate usage of the FSFI in research settings. Meston CM, Freihart BK, Handy AB, et al. Scoring and Interpretation of the FSFI: What can be Learned From 20 Years of use? J Sex Med 2020;17:17-25.

The Female Sexual Function Index (FSFI)-A Systematic Review of Measurement Properties

INTRODUCTION

The Female Sexual Function Index (FSFI) is a patient-reported outcome measure measuring female sexual dysfunction. The FSFI-19 was developed with 6 theoretical subscales in 2000. In 2010, a shortened version became available (FSFI-6).

AIM

To investigate the measurement properties of the FSFI-19 and FSFI-6.

METHODS

A systematic search was performed of Embase, Medline, and Web of Science for studies that investigated measurement properties of the FSFI-19 or FSFI-6 up to April 2018. Data were extracted and analyzed according to COnsensus-based Standards for the selection of health Measurement INstruments (COSMIN) guidelines. Evidence was categorized into sufficient, insufficient, inconsistent, or indeterminate, and quality of evidence as very high, high, moderate, or low.

MAIN OUTCOME MEASURES

The Main Outcome Measure is the evidence of a measurement property, and the quality of evidence based on the COSMIN guidelines.

RESULTS

83 studies were included. Concerning the FSFI-19, the evidence for internal consistency was sufficient and of moderate quality. The evidence for reliability was sufficient but of low quality. The evidence for criterion validity was sufficient and of high quality. The evidence for structural validity was inconsistent of low quality. The evidence for construct validity was inconsistent of moderate quality. Concerning the FSFI-6, the evidence for criterion validity was sufficient of moderate quality. The evidence for internal consistency was rated as indeterminate. The evidence for reliability was inconsistent of low quality. The evidence for construct validity was inconsistent of very low quality. No information was available on structural validity of the FSFI-6, and measurement error, responsiveness, and cross-cultural validity of both FSFI-6 and FSFI-19.

CLINICAL IMPLICATIONS

Conflicting and lack of evidence for some of the measurement properties of the FSFI-19 and FSFI-6 indicates the importance of further research on the validity of these patient-reported outcome measures. We advise researchers who use the FSFI-19 to perform confirmatory factor analyses and report the factor structure found in their sample. Regardless of these concerns, the FSFI-19 and FSFI-6 have strong criterion validity. Pragmatically, they are good screening tools for the current definition of female sexual dysfunction.

STRENGTH & LIMITATION

A strong point of the review is the use of predefined guidelines. A limitation is the use of a precise rather than a sensitive search filter.

CONCLUSIONS

The FSFI requires more research on structural validity (FSFI-19 and FSFI-6), reliability (FSFI-6), construct validity (FSFI-19), measurement error (FSFI-19 and FSFI-6), and responsiveness (FSFI-19 and FSFI-6). Further corroboration of measurement invariance (both across cultures and across subpopulations) in the factor structure of the FSFI-19 is necessary, as well as tests for the unidimensionality of the FSFI-6. Neijenhuijs KI, Hooghiemstra N, Holtmaat K, et al. The Female Sexual Function Index (FSFI)-A Systematic Review of Measurement Properties. J Sex Med 2019;16:640-660.

Psychometric properties of the Persian language version of the Female Sexual Function index among postmenopausal women

Objective

The present research aimed to evaluate the psychometric properties of the Persian language version of the Female Sexual Function Index (FSFI) among postmenopausal women.

Material and Methods

This secondary analysis examined 402 healthy postmenopausal Iranian women presenting to healthcare centers across Iran. The sampling method was convenience sampling. The translation of the FSFI and its cross-cultural adaptation were conducted under the guidelines proposed by Beaton. The reliability (Cronbach’s alpha coefficient and test-rest reliability) and construct validity confirmatory factor analysis) were assessed. Model fitting index [such as the root mean square error of approximation (RMSEA), the Goodness of Fit Index (GFI) and the Comparative Fit Index (CFI)] was calculated.

Results

The mean age of the study participants was 53.63±7.8 years. Test-retest reliability was high for both the entire scale (r=0.964; p<0.001) and its six dimensions (0.76-0.94; p<0.001). The Cronbach’s alpha of the entire scale and its dimensions was greater than 0.80. The original six-factor was used, which showed a relatively poor fit (χ²=667.054; p<0.001; χ²/df=4.86; GFI=0.92; RMSEA=0.098; GFI=0.85). After adding three correlated error terms to the six-factor model, an acceptable fit was obtained (χ²=470.542; p<0.001; χ²/df=3.51; CFI=0.95; RMSEA=0.079; GFI=0.89).

Conclusion

According to our results, the FSFI tool indicated a satisfactory fit for a six-factor model, as similar to the original English version, for use in clinical practice and research regarding healthy postmenopausal Iranian women. More research needs to be conducted on this scale to assess all of its psychometric properties.