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Browsing by Author "LeBlanc, Erin S."
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Item Vitamin D levels and menopause-related symptoms.(Wolters Kluwer Health, 2014-11) LeBlanc, Erin S.; Desai, Manisha; Perrin, Nancy; Wactawski-Wende, Jean; Manson, JoAnn E.; Cauley, Jane A.; Michael, Yvonne L.; Tang, Jean; Womack, Catherine; Song, Yiqing; Johnson, Karen C.; O’Sullivan, Mary J.; Woods, Nancy; Stefanick, Marcia L.; Department of Epidemiology, Richard M. Fairbanks School of Public HealthObjective: To determine whether vitamin D levels are associated with menopause-related symptoms in older women. Methods: A randomly selected subset of 1,407 women, among 26,104 potentially eligible participants of the Women’s Health Initiative Calcium and Vitamin D (CaD) trial of postmenopausal women aged 51-80 years, had 25-hydroxyvitamin D [25(OH)D] levels measured at the CaD trial baseline visit. Information about menopause-related symptoms at baseline was obtained by questionnaire and included overall number of symptoms and composite measures of sleep disturbance, emotional well-being, and energy/fatigue, as well as individual symptoms. After exclusions for missing data, 530 women [mean age 66.2 years (SD 6.8)] were included in these analyses. Results: There were borderline significant associations between 25(OH)D levels and total number of menopausal symptoms (p values ranging from 0.05 to 0.06 for fully adjusted models); however, the effect was clinically insignificant and disappeared with correction for multiple testing. There were no associations between 25(OH)D levels and composite measures of sleep disturbance, emotional well-being, or energy/fatigue (p’s > 0.10 for fully adjusted models). Conclusions: There was no evidence of a clinically important association between serum 25(OH)D levels and menopause-related symptoms in postmenopausal women.