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CC BY 4.0 · Rev Bras Ginecol Obstet 2020; 42(01): 026-034
DOI: 10.1055/s-0040-1701461
Original Article
Menopause
Thieme Revinter Publicações Ltda Rio de Janeiro, Brazil

Construct and Criterion Validity of the Postmenopause Sexuality Questionnaire – PMSQ

Validação de construto e critério do questionario para avaliação da sexualidade feminina após a menopausa – QSFM
Maria José Ferreira Lima 
1   Department of Gynecology and Obstetrics, Júlio Muller University Hospital, Cuiabá, MT, Brazil
,
Marília Duarte Valim 
2   School of Nursing, Universidade Federal de Mato Grosso, Cuiabá, MT, Brazil
,
Sebastião Freitas de Medeiros 
1   Department of Gynecology and Obstetrics, Júlio Muller University Hospital, Cuiabá, MT, Brazil
3   Department of Gynecology and Obstetrics, Faculdade de Ciências Médicas, Universidade Federal de Mato Grosso, Cuiabá, MT, Brazil
› Author Affiliations
Further Information

Publication History

12 March 2019

22 November 2019

Publication Date:
27 February 2020 (online)

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Abstract

Objective To assess the construct and criterion validity of the Postmenopause Sexuality Questionnaire (PMSQ).

Methods The present methodological questionnaire validation study included postmenopausal women. The construct validity was tested by factor analysis and the criterion validity was performed using the correlation between the PMSQ and the Female Sexual Function Index (FSFI). The ROC curve was used to verify sensitivity, specificity and to determine the cutoff point of the PMSQ.

Results A total of 181 women with a mean age of 56.4 ± 5.7 years old were evaluated. The exploratory factor analysis showed that the PMSQ presented Kaiser test = 0.88 and χ2 = 3293.7 (p < 0.001), commonalities ≥ 0.5, and extraction of 9 factors with eigenvalue ≥ 1; explaining 66.3% of the total variance. The PMSQ presented factor loadings between 0.4 and 0.8. A strong correlation between the 2 questionnaires (r = 0.79; p = 0.000) was shown. The cutoff point of the PMSQ was ≤ 55.5, assuming 87.9% sensitivity and 78.9% specificity (p < 0.001).

Conclusion Since the PMSQ showed a strong correlation with the FSFI questionnaire, it presented good psychometric properties to assess the sexuality in postmenopausal women. Based on these results, the PMSQ could be widely tested as a specific instrument to examine the sexual function in postmenopausal women. Future studies, designed to examine the PMSQ instrument in different populations, are needed.

Resumo

Objetivos Validar o construto e o critério do Questionário para Avaliação da Sexualidade Feminina após a Menopausa (QSFM).

Métodos Estudo metodológico de validação de questionário incluiu mulheres na pós-menopausa. A validade de construto foi testada por meio da análise fatorial e a validade de critério foi realizada por meio da correlação entre o QSFM e o Índice de Função Sexual Feminina (FSFI). A Curva ROC foi utilizada para verificar sensibilidade, especificidade e determinar o ponto de corte do QSFM.

Resultados Foram avaliadas 181 mulheres, com idade média de 56,4 ± 5,7 anos. A análise fatorial exploratória mostrou que o QSFM apresentou teste de Kaiser = 0,88 e χ2 = 3293,7 (p < 0,001), comunalidades ≥ 0,5 com extração de nove fatores com autovalor ≥ 1; explicando 66,3% da variância total. O QSFM apresentou cargas fatoriais entre 0,4 e 0,8. Uma forte correlação entre os dois questionários (r = 0,79; p = 0,000) foi demonstrada. O ponto de corte do QSFM foi ≤ 55,5, assumindo sensibilidade de 87,9% e especificidade de 78,9% (p < 0,001).

Conclusão Como o QSFM demonstrou uma forte concordância com o questionário FSFI, ele apresentou boas propriedades psicométricas para avaliar a sexualidade em mulheres na pós-menopausa. Com base nesses resultados, o QSFM pode ser amplamente utilizado como um instrumento específico para examinar a função sexual em mulheres na pós-menopausa. Estudos futuros são necessários para examinar o instrumento QSFM em diferentes populações.

Keywords

menopause - sexuality - physiological sexual dysfunction - psychometric - sensitivity - specificity

Palavras-chave

menopausa - sexualidade - disfunção sexual fisiológica - psicometria - sensibilidade - especificidade

Contributions

All authors were involved in the design and interpretation of the analyses, contributed to the writing of the manuscript, read and approved the final manuscript.


 

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