Table 1 Search terms and databases

Search terms

 Dementia [OR] Alzheimer’s disease [OR] vascular dementia [OR] dementia with Lewy bodies [OR] ‘cognitive impairment’

[AND] ‘care home’ [OR] ‘residential care home’ [OR] ‘residential home’ [OR] ‘long-term care’ [OR] ‘nursing home’

[AND] ‘deafness’ [OR] ‘hearing loss’ [OR] ‘hearing impairment’ [OR] ‘hearing aids’

Databases

 Medline, Embase, PsycINFO, Cinahl, ISI Web of Science, British Nursing Index (BNI) Cochrane Library, U.S. National Library of Medicine- Clinical trials.gov