Method
Study design
A total of 67 older people were randomised to receive six weeks of twice daily aromatherapy, or aromatherapy and hand massage, or water spray (placebo control). Primary outcomes assessed before, during, and post intervention were aggression and agitation. All recruitment and intervention protocols took place between February and December 2006. Ethical approval to conduct the study was obtained from the University Human Research Ethics Committee and the management of each aged care facility.