Table 3.
Mean (SD) STAI-Trait and CO2TT scores at baseline and follow-up, by class*.
| Class | Baseline | Followup | p -values | ||||||
|---|---|---|---|---|---|---|---|---|---|
| STAI-Trait | CO2TT 1 | CO2TT 2 | STAI-Trait | CO2TT 1 | CO2TT 2 | STAI-Trait | CO2TT 1 | CO2TT 2 | |
| Cntrl | 38.0 (10.6) |
17.4 (8.0) |
17.4 (7.8) |
36.8 (12.4) |
17.2 (5.7) |
17.1 (5.0) |
0.99 | 1.00 | 1.00 |
| SP-1 | 38.9 (9.2) |
13.3 (3.9) |
12.5 (3.6) |
39.3 (8.2) |
12.8 (6.3) |
12.8 (5.8) |
1.00 | 1.00 | 1.00 |
| SP-2 | 38.0 (9.7) |
18.9 (5.1) |
18.2 (5.0) |
35.0 (13.9) |
25.5 (6.7) |
24.8 (7.6) |
0.99 | 0.66 | 0.66 |
| GP | 38.9 (10.3) |
17.3 (7.2) |
18.2 (8.4) |
37.4 (12.1) |
19.5 (7.1) |
20.5 (7.6) |
0.99 | 0.94 | 0.99 |
Cntrl, control group; CO2TT, carbon dioxide tolerance test; GP, guided-pace group; SD, standard deviation; SP-1, self-paced group 1; SP-2, self-paced group 2; STAI, State-Trait Anxiety Inventory.
*
Multivariate analyses of variance were conducted to compare within-class changes in STAI-Trait and CO2TT from baseline to followup.