Table 1.

Data collection variables, measures, and time points (both groups).

Variable		Measure/analyses	Data collection points
			Baseline	x10	End
Primary aim 1
	Recruitment	Number of enrolled/number invited to participate; Mini-Cog instrument (screening)	✓a	—b	—
	Retention	Number retained at study completion/number recruited	✓	—	✓
	Completion	Number of time points completed (11 total)	—	—	✓
	Acceptability	Protocol Acceptability Scale for Treating Angina with Acupuncture	—	—	✓
Primary aim 2
	Demographic data	Demographic data form	✓	—	—
	Effect size	Intraindividual effect: mean prescores minus mean postscores/pooled SD. Group effect: mean differences in scores between acupuncture and attention control group	✓	—	✓
Exploratory aim
	Biomarkers	Interleukin 1 beta, 2, 6, 8, 10, and 18; C-reactive protein, tumor necrosis factor alpha-α	✓	—	✓
Outcome measures
	Pain and symptoms	McGill Pain Questionnaire, Seattle Angina Questionnaire-7, American Heart Association Angina Log	✓	✓	✓
	Functional status and HRQoLc	Seattle Angina Questionnaire-7, Physical Functioning and HRQoL subscales	✓	✓	✓

^aData were collected.

^bData were not collected.

^cHRQoL: health-related quality of life.