Table 2.
Independent 2-tailed t tests between residual scores of the intervention and control groups (N=164).
| Outcome variable | Intervention group, mean (SD) | Control group, mean (SD) | t test (df) | P value | Cohen d | |
| Total (N=164) | ||||||
|
|
SWBa | 0.24 (1.22) | –0.56 (1.53) | 3.59 (162) | <.001 | 0.59 |
|
|
Anxiety | –0.82 (2.22) | –0.44 (2.14) | –1.03 (162) | .30 | –0.17 |
|
|
SEb | –0.06 (1.49) | 0.08 (1.77) | –0.53 (162) | .60 | –0.09 |
| AWE round (N=171) | ||||||
|
|
SWB | 0.20 (1.29) | –0.26 (1.08) | 2.51 (169) | .01 | 0.39 |
|
|
Anxiety | –0.48 (2.07) | –0.10 (1.91) | –1.26 (169) | .21 | –0.19 |
|
|
SE | –0.15 (1.37) | 0.01 (1.67) | –0.68 (169) | .50 | –0.11 |
| Pink round (N=149) | ||||||
|
|
SWB | –0.06 (0.72) | 0.28 (1.02) | –2.36 (147) | .02 | –0.40 |
|
|
Anxiety | –0.40 (1.65) | –0.49 (1.53) | 0.33 (147) | .74 | 0.06 |
|
|
SE | 0.10 (1.29) | –0.05 (0.78) | 0.78 (147) | .44 | 0.14 |
| Nature round (N=128) | ||||||
|
|
SWB | –0.08 (1.09) | –0.32 (1.05) | 1.21 (126) | .23 | 0.22 |
|
|
Anxiety | –0.03 (1.26) | 0.32 (1.79) | –1.06 (126) | .29 | –0.23 |
|
|
SE | 0.20 (1.19) | –0.21 (0.98) | 2.08 (126) | .04 | 0.37 |
| Blue round (N=118) | ||||||
|
|
SWB | 0.46 (0.92) | 0.19 (1.41) | 1.27 (116) | .21 | 0.24 |
|
|
Anxiety | –0.66 (1.43) | –0.26 (1.62) | –1.43 (116) | .16 | –0.27 |
|
|
SE | 0.06 (1.07) | –0.11 (0.81) | 0.89 (116) | .38 | 0.17 |
aSWB: subjective well-being.
bSE: subjective effectiveness (of art coloring in reducing anxiety).