Table 4B.
5-week mean (SD) CO2TT scores before vs. after breathing exercises, by class*.
| Class | Before | After | p-values‡ | ||
|---|---|---|---|---|---|
| ∑n** | Mean (SD) | ∑n** | Mean (SD) | ||
| Control | 96 | 18.17 (7.08) | 96 | 18.55 (6.85) | 1.00 |
| SP-1 | 26 | 11.92 (4.63) | 25 | 12.52 (5.11) | 1.00 |
| SP-2 | 30 | 21.62 (5.82) | 29 | 22.41 (5.83) | 0.99 |
| GP | 61 | 19.25 (8.36) | 61 | 20.23 (8.69) | 0.99 |
CO2TT, carbon dioxide tolerance test; GP, guided-pace breathing group; SD, standard deviation; SP-1, self-paced group 1; SP-2, self-paced group 2.
*
Control class completed CO2TT once before and once after that day's STAI-State; breathing classes completed it before and after that day's breathing exercises.
**
Total number of participants per class contributing to the 5 weeks' of data.
‡
Multivariate analyses of variance were conducted to compare within-class changes in CO2TT from immediately before to immediately after breathing exercises.