Chiropractor interaction and treatment equivalence in a pilot randomized controlled trial: an observational analysis of clinical encounter video-recordings

Table 2 Video evaluator assessment of treatment assignment compared to participant treatment believability ratings

		Active AMCT Videos		Sham AMCT Videos
		(n =54)		(n =57)
Variable	Response	n^	%	n^	%
Video Evaluator Assessment of Treatment Assignment	Active AMCT	33	61	16	28
	Sham AMCT	3	6	18	31
	Not Sure	17	31	22	39
		Active AMCT participants		Sham AMCT participants
		(n =17)		(n =18)
Variable	Response	n	%	n	%
Participant Believability 1st Treatment Visit	Active Treatment⁺	14	82	12	66
	Inactive Treatment (Placebo)⁺	1	6	2	11
	Do Not Know	2	12	4	22
		Active AMCT participants		Sham AMCT participants
		(n =14)		(n =14)
Variable	Response	n	%	n	%
Participant Believability Month 2	Active Treatment⁺	13	93	8	58
	Inactive Treatment (Placebo)⁺	1	7	6	42
	Do Not Know	0	0	0	0