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Participant screening and study flow. Of 4545 screened for participation, 464 postmenopausal women were randomised to one of four treatments. Baseline Medical Outcomes Study (MOS) Sleep data were available for 437 participants; those who discontinued the study or without follow-up MOS Sleep data had baseline data carried forward for analysis. BMI, body mass index; KKW, kilocalories of energy expenditure per kilogram of body weight per week.
