Table 4.
Variable | Number of studies | Number of effects | Coef. or mean | Standard error | 95% CI-Lower | 95% CI-Upper | T-statistic | df | p-value |
---|---|---|---|---|---|---|---|---|---|
Country of origin | 0.87 | 24.22 | 0.39 | ||||||
Non-USA | 24 | 47 | −0.15 | 0.05 | −0.26 | −0.04 | |||
USA | 15 | 28 | −0.11 | 0.06 | −0.21 | 0.01 | |||
Focus of program | −0.50 | 16.79 | 0.62 | ||||||
No cyber target | 12 | 27 | −0.11 | 0.06 | −0.23 | 0.02 | |||
Cyberbullying targeted | 27 | 48 | −0.15 | 0.05 | −0.24 | −0.05 | |||
Timepoint | 0.55 | 6.12 | 0.60 | ||||||
Posttest | 36 | 57 | −0.14 | 0.04 | −0.22 | −0.05 | |||
Follow-up | 8 | 18 | −0.11 | 0.04 | −0.18 | −0.04 | |||
Effect size type | 1.21 | 9.85 | 0.26 | ||||||
Continuous | 29 | 53 | −0.16 | 0.04 | −0.24 | −0.09 | |||
Dichotomous | 10 | 22 | 0.00 | 0.13 | −0.25 | 0.25 | |||
Percent males | 39 | 75 | −0.38 | 0.17 | −0.71 | −0.05 | −2.23 | 2.89 | 0.12 |
Percent nonwhite | 39 | 75 | −0.13 | 0.10 | −0.32 | 0.07 | −1.28 | 14.28 | 0.22 |
df degrees of freedom