Table 2. Inclusion and exclusion criteria for the TACIT Trial.

	Inclusion criteria	Exclusion criteria
For people living with dementia	A diagnosis of (mild to moderate) dementia; Aged 18 years or older; Living at home in the community (rather than residential care); Able to practice standing Tai Chi; and Have a carer available who would provide support during the assessments and during the group-based Tai Chi classes.	A diagnosis of Lewy Body dementia or Parkinson’s disease; Receiving end-of-life care; Severe dementia according to the MiniAddenbroke’s Cognitive Examination (Hsieh et al., 2015) (cut-off point M-ACE < 10); Severe sensory impairments; Already practicing Tai Chi, similar exercises (i.e., Qigong, yoga, or Pilates) or attending balance exercise programs (e.g., Otago classes); Under the care or who had been referred to a falls clinic for assessment; Unable to attend weekly classes; or Lacking mental capacity to provide informed consent.
For carers	Living with the person living with dementia or able to visit him/her at least twice per week; Availability to support the person living with dementia by participating in data collection throughout the trial and in the intervention (if allocated to the intervention group); Ability to do standing Tai Chi; and Willingness to attend weekly Tai Chi classes.	Presence of severe sensory impairment; or Lack of capacity to provide informed consent.