ISRCTN86912968.

Trial name or title	Online dizziness intervention for older adults: a randomised controlled trial
Methods	RCT
Participants	Adults aged over 50 who have reported symptoms of dizziness over the past 2 years, who have access to the internet and an email account
Interventions	Intervention group: standalone, web‐based information about dizziness and the balance system, instructions, advice, video demonstrations and tailored feedback about VR exercises, and advice and instructions about psychological techniques to assist with stress management and relaxation
Outcomes	Primary: Vertigo Symptom Scale at baseline, 3 and 6 months Secondary: subjective improvement in health, DHI, HADS, EQ5D
Starting date	19 August 2013
Contact information	Miss Rosie Essery, School of Psychology, University of Southampton
Notes	Anticipated end date 25 July 2014