Table 4.
Effects Sizes for Between-Group Differences (High-Low) in Subscale and Total Scores for the Validation Scales for Depression, Anxiety, and Quality of Life
| Instrument | Effect size |
|---|---|
| Center for Epidemiologic Study–Depression (CES-D) Scale | |
| Somatic | .70 |
| Depressed affect | .42 |
| Positive affect | −.32 |
| Interpersonal | .04 |
| Total CES-D score | .58 |
| Spielberger State–Trait Anxiety Inventories | |
| Trait anxiety score | .59 |
| State anxiety score | .64 |
| Medical Outcomes Study–Short Form 36 | |
| Physical functioning | −.50 |
| Role limitations, physical | −.26 |
| Bodily pain | −.46 |
| General health | −.41 |
| Vitality | −.62 |
| Social functioning | −.57 |
| Role limitations, emotional | −.68 |
| Mental health | −.71 |
| Physical component score | −.17 |
| Mental component score | −.75 |