Table 4.
Effect sizes regarding anxiety symptoms in the meta-analysis of studies comparing computerized cognitive behavior therapy in adolescents and young adults with active treatment and passive controls at posttreatment.
| Variable | Ncoma | Nparb | Effect size | Heterogeneity | Gradec | NNTd | ||||||||||||
| g | 95% CI | I 2 | 95% CI |
|
|
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| All studies |
|
|
|
|
|
|
|
|
||||||||||
|
|
Active treatment controls | 5 | 390 | 0.06 | −0.13 to 0.26 | 0 | 0 to 79 | ++ | 29.41 | |||||||||
|
|
Passive controls | 21 | 1570 | 0.49e | 0.29 to 0.68 | 68.17 | 50 to 80 | ++ | 3.68 | |||||||||
|
|
|
One outlier removedf | 20 | 1524 | 0.42e | 0.25 to 0.59 | 57.42 | 30 to 74 | +++ | 4.27 | ||||||||
| Studies aimed at anxiety |
|
|
|
|
|
|
|
|
||||||||||
|
|
Active treatment controls | 4 | 203 | 0.04 | −0.23 to 0.31 | 0 | 0 to 85 | ++ | 45.45 | |||||||||
|
|
Passive controls | 16 | 868 | 0.59e | 0.34 to 0.84 | 67.83 | 46 to 81 | ++ | 3.09 | |||||||||
|
|
|
One outlier removedf | 15 | 822 | 0.50e | 0.29 to 0.71 | 52.57 | 15 to 74 | +++ | 3.62 | ||||||||
|
|
|
Trim and fill adjusted values |
|
0.44 | 0.23 to 0.65 |
|
|
|
4.1 | |||||||||
aNcom: number of comparisons.
bNpar: number of participants.
c++: low quality; +++: moderate quality.
dNNT: number needed to treat.
eP<.001.
fOutlier Sethi (2013) excluded.