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Content validity, face validity and acceptability of three hot flash diaries for vasomotor symptoms: a cognitive
Claudia Rutherford1,2, Martha Hickey3,4, Angela Ju1
1Faculty of Medicine and Health, Susan Wakil School of Nursing and Midwifery, Sydney Quality of Life Office, The University of Sydney, Sydney, NSW, Australia.
Objective:
Around 70% of women experience vasomotor symptoms (VMS) over the menopause transition. These are a leading patient priority for treatment. To robustly evaluate treatment effectiveness, validated tools are needed. VMS diaries are widely used in clinical trials, but their content validity and acceptability for symptomatic women is not established. The objective of this study is to evaluate acceptability, content validity and face validity of available hot flash diaries.
Methods:
We conducted semi-structured interviews to explore acceptability, content, interpretation and experience of completion of three widely used hot flash diaries: Sloan, Guttuso, Menopause Strategies: Finding Lasting Answers for Symptoms and Health (MsFLASH) with English speaking symptomatic peri/postmenopausal women in Australia, recruited through social media (Facebook groups), a registry of previous trial participants, and through Menopause clinics. Content analysis was used to analyze findings.
Results:
Of 33 women who completed screening questions, 25 provided contact details and consented to being interviewed. Women were aged 40-69 years, most reported menopause between 50 and 59 years, and 18 experienced moderate-severe VMS. Participants considered daily reporting of VMS acceptable, preferred diaries reporting VMS in real-time or twice daily (rather than once daily) and found descriptions for severity categories helpful in assigning severity of their VMS.
Conclusion:
Two diaries (Guttuso and MsFLASH) were found to be acceptable and valid measures of VMS severity and frequency. However, adding descriptions for severity categories to the MsFLASH diary and distinguishing between day and night-time VMS in the Guttuso diary were recommended improvements. Real-time data collection may be preferable.
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