Table 2.

Descriptive data for number (%) of participants completing baseline and follow-up measures, by class.

	Control n = 18	Self-paced-1 n = 6	Self-paced-2 n = 7	Guide-paced n = 12
STAI-Trait, CO 2 TT Assessments
Baseline	16 (89%)	5 (83%)	6 (86%)	10 (83%)
Followup	13 (72%)	3 (50%)	2 (29%)	8 (67%)
Followup ease/tolerability surveys
Breath curriculum		3 (50%)	2 (29%)	8 (67%)
Preliminary effectiveness assessments	10 (56%)	2 (33%)	0 (0%)	5 (42%)

CO₂TT, carbon dioxide tolerance test; STAI, State-Trait Anxiety Inventory.