Table 2. Search terms.

Research topic and search	Population	Concept	Context
Search 1: Couples with intellectual disability and dementia	Couple* or wife or wives or husband* or girlfriend* or boyfriend* or spous* or personal relationship* or intimate relationship* or romantic relationship* or lov* or married or marriage or significant other AND Learning disabilit* or intellectual disabilit* or developmental disabilit* or mental retardation* or Down* syndrome		Dement* or Alzheimer*
Search 2: Couples with dementia	Couple* or wife or wives or husband* or girlfriend* or boyfriend* or spous* or partner* or personal relationship* or intimate relationship* or romantic relationship* or lov* or married or marriage or significant other	Experience* or View* or Meaning* or Qualitative or Perspective* or Support or Barrier* or Relationship* or Care*	Dement* or Alzheimer* AND Review* or Synthesis
Search 3: Couples with intellectual disability	Couple* or wife or wives or husband* or girlfriend* or boyfriend* or spous* or personal relationship* or intimate relationship* or romantic relationship* or lov* or married or marriage or marital AND Learning disabilit* or intellectual disabilit* or developmental disabilit* or Down* syndrome	Experience* or View * or Perspective* or Support or Barrier* or Relationship* or Care* or Meaning or Qualitative