Table 4.
Group item means, Item Total Correlations, and ANOVA F-test results
| Group | F results and effect size (eta2) | |||
|---|---|---|---|---|
| BDI-II Item | Depressed | Non-Depressed | ||
| Sadness | Mean SD |
1.06 0.76 |
0.33 0.52 |
F (1, 136) = 16.46, p < .001*, eta2 = .30 |
|
| ||||
| Pessimism | Mean SD |
1.19 1.03 |
0.42 0.58 |
F (1, 136) = 10.90, p = .001*, eta2= .22 |
|
| ||||
| Past Failure | Mean SD |
1.28 1.02 |
0.48 0.68 |
F (1, 136) = 10.37, p =.002*, eta2 = .19 |
|
| ||||
| Loss of Pleasure | Mean SD |
1.41 0.71 |
0.69 .078 |
F (1, 136) = 10.21, p = .002*, eta2 = .18 |
|
| ||||
| Guilty Feelings | Mean SD |
0.97 0.74 |
0.49 0.64 |
F (1, 136) = 8.64, p = .004*, eta2 = .12 |
|
| ||||
| Punishment | Mean SD |
0.59 1.04 |
0.28 0.71 |
F (1, 136) = 0.34, p = .563, eta2 = .04 |
|
| ||||
| Self-Dislike | Mean SD |
1.34 094 |
0.58 0.85 |
F (1, 136) = 11.21, p < .001*, eta2 = .15 |
|
| ||||
| Self-Critical | Mean SD |
1.00 0.92 |
0.50 0.76 |
F (1, 136) = 1.85, p = .176, eta2 = .09 |
|
| ||||
| Suicidal Thoughts | Mean SD |
0.25 0.44 |
0.10 0.31 |
F (1, 136) = 0.96, p = .328, eta2 = .11 |
|
| ||||
| Crying | Mean SD |
1.41 1.34 |
0.35 0.77 |
F (1, 136) = 6.35, p = .013*, eta2 = .22 |
|
| ||||
| Agitation | Mean SD |
1.09 0.78 |
0.50 0.68 |
F (1, 136) = 10.07, p = .002*, eta2 = .17 |
|
| ||||
| Loss of Interest | Mean SD |
1.41 0.95 |
0.43 0.68 |
F (1, 136) = 15.00, p < .001*, eta2 = .25 |
|
| ||||
| Indecisiveness | Mean SD |
1.28 0.99 |
0.60 0.81 |
F (1, 136) = 7.27, p = .008*, eta2 = .14 |
|
| ||||
| Worthlessness | Mean SD |
0.94 0.98 |
0.22 0.54 |
F (1, 136) = 10.38, p = .002*, eta2 = .22 |
|
| ||||
| Loss of Energy | Mean SD |
1.47 0.72 |
0.88 0.69 |
F (1, 136) = 6.82, p = .010*, eta2 = .09 |
|
| ||||
| Hypersomnia | Mean SD |
0.19 0.39 |
0.06 0.23 |
F (1, 136) = 7.52, p = .007*, eta2 = .10 |
|
| ||||
| Insomnia | Mean SD |
1.38 1.10 |
1.48 1.15 |
F (1, 136) = 0.64, p = .423, eta2 = .001 |
|
| ||||
| Irritability | Mean SD |
0.81 0.78 |
0.51 0.70 |
F (1, 136) = 1.07, p = .303, eta2 = .13 |
|
| ||||
| Decreased Appetite | Mean SD |
0.59 0.95 |
0.22 0.49 |
F (1, 136) = 9.17, p = .003*, eta2 = .08 |
|
| ||||
| Increased Appetite | Mean SD |
0.62 1.01 |
0.31 0.67 |
F (1, 136) = 0.48, p = .488, eta2 = .03 |
|
| ||||
| Concentration | Mean SD |
1.22 0.66 |
0.80 0.78 |
F (1, 136) = 3.32, p = .071, eta2 = .05 |
|
| ||||
| Fatigue | Mean SD |
1.44 0.98 |
0.91 0.81 |
F (1, 136) = 3.607, p = .060, eta2 = .05 |
|
| ||||
| Decreased Libido | Mean SD |
1.13 1.19 |
0.76 0.90 |
F (1, 136) = .05, p = .819, eta2 = 01 |
*
sig. at alpha = .05; effect size estimates = eta squared (eta2)