Table 2.
Comparison of baseline variables (S.D) of drop-outs vs. completers
| Analysis of variance | ||||||||||
| Variable | Treatment group | Dropout group | Interaction | |||||||
| All | Exercise&Light | Exercise | Light | F | p | F | p | F | p | |
| Age | .50 | .61 | 2.33 | .13 | 2.20 | .12 | ||||
| Drop-outs | 39.5 (8.2) | 41.3 (7.2) | 35.4 (7.2) | 43.4 (9.6) | ||||||
| Completers | 43.4 (9.6) | 41.8 (9.2) | 45.5 (10.2) | 43.2 (9.3) | ||||||
| GSS | 1.35 | .26 | 5.40 | .02 | .98 | .38 | ||||
| Drop-outs | 13.1 (4.5) | 13.0 (5.0) | 11.1 (3.3) | 15.8 (4.5) | ||||||
| Completers | 10.5 (4.9) | 10.1 (5.2) | 10.5 (4.6) | 10.9 (5.1) | ||||||
| HDRS | 4.38 | .02 | 4.00 | .05 | 1.55 | .22 | ||||
| Drop-outs | 13.6 (8.4) | 16.3 (10.9) | 8.29 (3.9) | 16.6 (5.6) | ||||||
| Completers | 10.5 (6.4) | 10.8 (7.0) | 9.00 (5.2) | 11.4 (6.6) | ||||||
| ATYP* | 1.18 | .31 | 2.42 | .12 | .23 | .79 | ||||
| Drop-outs | 7.45 (5.3) | 7.50 (5.4) | 6.14 (5.0) | 9.20 (6.0) | ||||||
| Completers | 5.92 (4.3) | 6.22 (4.9) | 5.07 (3.7) | 6.32 (4.2) | ||||||
| BMI** | .30 | .74 | 1.88 | .17 | 1.33 | .27 | ||||
| Drop-outs | 25.5 (4.9) | 27.0 (6.2) | 24.9 (4.5) | 24.4 (3.8) | ||||||
| Completers | 24.2 (3.7) | 23.6 (3.1) | 24.1 (3.6) | 24.7 (4.3) | ||||||
| Sessions attended (%) | 2.70 | .07 | 143 | .000 | 2.29 | .11 | ||||
| Drop-outs | 32.5 (24.4) | 25.8 (20.6) | 30.6 (24.9) | 48.0(27.2) | ||||||
| Completers | 82.1 (14.4) | 82.7 (14.4) | 80.5 (15.2) | 82.9(14.1) | ||||||
| Fitness | 2.61 | .11 | 11.1 | .001 | 7.82 | .007 | ||||
| Drop-outs | 93.3 (14.3) | 83.7 (11.3) | 99.1 (13.0) | ---- | ||||||
| Completers | 103.2 (12.1) | 105.1 (13.6) | 101.0 (10.2) | --- | ||||||
| BNSQ | ||||||||||
| Initial insomnia | 3.00 | .06 | 6.00 | .02 | 5.43 | .006 | ||||
| Drop-outs | 2.61 (1.2) | 3.50 (.84) | 2.14 (1.1) | 2.20 (1.3) | ||||||
| Completers | 2.06 (.93) | 1.84 (.81) | 1.83 (.93) | 2.43 (.93) | ||||||
| Middle insomnia | 1.91 | .15 | .23 | .64 | 1.34 | .27 | ||||
| Drop-outs | 3.21 (1.4) | 3.57 (1.4) | 2.43 (1.1) | 3.80 (1.6) | ||||||
| Completers | 3.11 (1.3) | 3.10 (1.3) | 3.03 (1.3) | 3.19 (1.4) | ||||||
| Late insomnia | 2.97 | .06 | .55 | .46 | 1.15 | .32 | ||||
| Drop-outs | 1.68 (.95) | 1.86 (1.1) | 1.14 (.38) | 2.20 (1.1) | ||||||
| Completers | 1.92 (.92) | 1.78 (.83) | 1.79 (.90) | 2.14 (.98) | ||||||
| Quality of sleep | 1.615 | .20 | .10 | .753 | .70 | .50 | ||||
| Drop-outs | 2.47 (1.1) | 2.86 (1.2) | 2.00 (0.0) | 2.60 (1.3) | ||||||
| Completers | 2.42 (1.1) | 2.34 (1.0) | 2.21 (1.0) | 2.65 (1.2) | ||||||
| Alcohol consumption† | .079 | .92 | .31 | .58 | .098 | .91 | ||||
| Drop-outs | 6.05 (5.6) | 5.63 (6.3) | 6.57 (6.7) | 6.00 (3.4) | ||||||
| Completers | 5.34 (5.5) | 5.00 (4.4) | 4.97 (5.9) | 5.92 (6.0) | ||||||
*ATYP – atypical symptom score ** BMI – Body Mass Index †Alcohol consumption – drinks per week