Introduction
Initial psychometric evaluation of the Female Sexual Well-Being ScaleTM (FSWB ScaleTM) demonstrated its validity for assessing sexual well-being in sexually functional US women.
Aim
To evaluate the responsiveness of the FSWB Scale to interventional products in sexually functional women and to confirm its psychometric validity.
Methods
In a 5-week, randomized, multicenter study, the responsiveness of FSWB Scale scores to interventional products was evaluated in 326 sexually functional, heterosexual women randomized to: (i) no intervention; (ii) couple lubricants (1 lubricant for female and second lubricant for male partner); (iii) female arousal gel; or (iv) female lubricant. At baseline, participants were instructed to have ≥3 occurrences of vaginal intercourse over the next 4 weeks. Participants assigned to an intervention were instructed to use the product immediately before intercourse. Women completed the self-administered FSWB Scale at week 1 (screening), week 2 (baseline), and week 5 (study end).
Main Outcome Measures
Changes from baseline in the FSWB Scale overall score and four domain scores were analyzed using analysis of covariance. Additional analyses were conducted to confirm psychometric validity.
Results
The mean change from baseline in the FSWB Scale overall score improved significantly among the four arms (treatment-effect P = 0.03). The within-treatment mean increase from baseline in the overall score was significant for each product arm (all P ≤ 0.002), whereas no significant change was observed for the no intervention arm (P = 0.13). Changes from baseline in the four domain scores improved differentially according to the expected effects of each product. Factor structure, reliability, and construct validity results confirmed those reported previously.
Conclusions
The FSWB Scale demonstrated excellent responsiveness to interventional products, with scores remaining relatively stable with no intervention and changing differentially and by domain with different product types. The results strongly support the usefulness of the FSWB Scale for assessing sexual well-being in future studies. Rosen RC, Althof SE, Barbach LG, Dietrich J, Wanser R, and Zhang P. Female Sexual Well-Being ScaleTM: Responsiveness to interventional product use by sexually functional women.
It appears that an all women's group treatment program is successful for two-thirds of the women who enter the program in terms of teaching them to experience orgasm with their partner more frequently and in different ways and that these changes are maintained. The program is most effective for those women in casual relationships and relationships which are of a committed or very serious nature but which have not been in existence for over 1 1/2 years. In those relationships that are committed, but over 3 years' duration, results are more mixed. It may be possible that additional conjoint treatment may increase the effectiveness of the program for these couples, but this hypothesis requires further research.
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