Table 5.
Gambling variables changes at 12 weeks by intervention group (n=1122).
| Gambling variables (last 30 days) | Minimum | Median | Maximum | Mean (SD) or n (%) | P value within the group | |
| Deposit in € | ||||||
|
|
Waiting list | -5180.00 | 0.00 | 3000.00 | -17.67 (573.55) | .03 |
|
|
Feedback email | -12800.00 | -3.00 | 2150.00 | -136.69 (884.45) | <.001 |
|
|
Self-help CBT book | -4058.00 | -10.00 | 9300.00 | -33.41 (801.36) | <.001 |
|
|
Weekly emailed CBT | -2600.00 | -10.00 | 2710.00 | -54.22 (365.61) | <.001 |
| Total loss in € a | ||||||
|
|
Waiting list | -4990.51 | 2.31 | 8333.44 | -3.30 (852.54) | .12 |
|
|
Feedback email | -2315.58 | 0.68 | 26580.10 | 193.78 (1792.40) | .10 |
|
|
Self-help CBT book | -4051.70 | 8.00 | 181410.22 | 737.06 (11252.29) | .02 |
|
|
Weekly emailed CBT | -2304.00 | 2.00 | 10348.32 | 63.47 (803.72) | .14 |
| Mean loss per gambling session a | ||||||
|
|
Waiting list | -1062.72 | 0.00b | 176.63 | -5.64 (70.02) | .9 |
|
|
Feedback email | -87.89 | 0.01 | 227.21 | 0.68 (19.09) | .5 |
|
|
Self-help CBT book | -134.81 | 0.08 | 3003.66 | 11.90 (187.26) | .2 |
|
|
Weekly emailed CBT | -73.15 | 0.03 | 96.21 | 0.72 (14.10) | .3 |
| Total stake in € | ||||||
|
|
Waiting list | -20160.14 | -63.50 | 90062.29 | 143.79 (6345.74) | .007 |
|
|
Feedback email | -54205.38 | -33.21 | 26282.27 | -318.87 (4284.30) | .002 |
|
|
Self-help CBT book | -62492.55 | -36.84 | 50231.28 | -5.36 (7083.45) | .003 |
|
|
Weekly emailed CBT | -20276.97 | -46.50 | 122346.52 | 576.16 (8490.70) | <.001 |
| Number of gambling sessions | ||||||
|
|
Waiting list | -448.00 | -7.00 | 285.00 | -11.91 (71.56) | .005 |
|
|
Feedback email | -262.00 | -8.00 | 318.00 | -5.25 (66.27) | <.001 |
|
|
Self-help CBT book | -381.00 | -6.00 | 356.00 | -8.96 (71.42) | .001 |
|
|
Weekly emailed CBT | -501.00 | -8.00 | 365.00 | -6.46 (71.46) | .002 |
| Multitabling, yes (%) | ||||||
|
|
Waiting list |
|
|
|
-18% | <.001 |
|
|
Feedback email |
|
|
|
-13% | <.001 |
|
|
Self-help CBT book |
|
|
|
-18% | <.001 |
|
|
Weekly emailed CBT |
|
|
|
-17% | <.001 |
| Compulsivity, yes (%) | ||||||
|
|
Waiting list |
|
|
|
0.0% | 1 |
|
|
Feedback email |
|
|
|
-3.1% | .07 |
|
|
Self-help CBT book |
|
|
|
-0.8% | .7 |
|
|
Weekly emailed CBT |
|
|
|
1.7% | .3 |
| PGSI | ||||||
|
|
Waiting list (n=45) | -10.00 | -3.00 | 0.00 | 1.00 (12.00) | .02 |
|
|
Feedback email (n=41) | -14.00 | -3.00 | -1.00 | 0.00 (6.0) | <.001 |
|
|
Self-help CBT book (n=19) | -9.00 | -4.00 | -3.00 | 0.00 (7.0) | .09 |
|
|
Weekly emailed CBT (n=8) | -8.00 | -2.50 | -1.00 | 0.50 (5.0) | .4 |
aA negative value is a worsening, and a positive value is an improvement for the participant.
bAs the variance is huge on the monetary variables, median is more meaningful than the mean.