Table 4.
Descriptive statistics for outcomes by group and survey time point.
| Internet | CHESS | |||||
|---|---|---|---|---|---|---|
| Outcome/Time Point | N | Mean | SD | N | Mean | SD |
| Disruptiveness | ||||||
| Pretest | 111 | 5.26 | 4.91 | 119 | 5.39 | 4.91 |
| Month 2 | 62 | 5.63 | 5.07 | 58 | 5.24 | 4.82 |
| Month 4 | 51 | 5.85 | 4.73 | 60 | 5.51 | 5.28 |
| Month 6 | 49 | 5.27 | 5.55 | 44 | 4.58 | 5.13 |
| Month 8 | 38 | 4.61 | 3.99 | 42 | 5.50 | 4.71 |
| Burden | ||||||
| Pretest | 115 | 19.59 | 9.08 | 120 | 17.55 | 8.50 |
| Month 2 | 64 | 18.91 | 9.67 | 58 | 16.15 | 8.26 |
| Month 4 | 51 | 17.36 | 9.56 | 60 | 15.87 | 8.43 |
| Month 6 | 51 | 18.03 | 10.86 | 44 | 13.48 | 7.63 |
| Month 8 | 40 | 17.22 | 9.98 | 42 | 16.34 | 6.86 |
| Negative Mood | ||||||
| Pretest | 117 | 1.06 | 0.88 | 121 | .88 | .77 |
| Month 2 | 65 | 0.96 | 0.88 | 58 | .92 | .74 |
| Month 4 | 53 | 0.95 | 0.80 | 60 | .88 | .72 |
| Month 6 | 52 | 1.00 | 0.92 | 45 | .65 | .60 |
| Month 8 | 41 | 0.85 | 0.85 | 42 | .92 | .81 |
Note: In order to minimize case deletion due to item missingness, scale scores were calculated if at least 75% of scale items were answered for four-item scales and if at least 80% of scale items were answered for scales with five or more items.