von Willebrand disease (vWD) is reported to be the most common bleeding disorder, with prevalence estimated at 1% of the general population. Despite this, little is known about its natural history, or of the impact it has on affected individuals and their families. The Haemnet vWD360 programme is a mixed-methods, natural history study designed to gain a greater understanding of vWD and its impact on individuals and their families. It comprises both qualitative and quantitative approaches and is designed to include the perspectives of individuals with a diagnosis of any subtype of vWD. The vWD360 study includes three components: * Quantitative cross-sectional survey * Qualitative one-to-one interviews with affected individuals * 30-day bleed diary.
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Bleeding Episodes
Timeframe: Survey - The month prior to completing the survey. Bleed Diary - 30 days from consent.
Pain experiences
Timeframe: Survey - The month prior to completion of the survey
Daily Activities
Timeframe: Survey - one month prior to completion of the survey. Interview - life historical