Table 3.
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 | 23.28 | 0.39 | ||||||
Non-USA | 30 | 66 | −0.22 | 0.04 | −0.31 | −0.13 | |||
USA | 14 | 30 | −0.11 | 0.11 | −0.33 | 0.10 | |||
Focus of program | −0.53 | 12.57 | 0.61 | ||||||
No cyber target | 9 | 26 | −0.15 | 0.08 | −0.30 | 0.01 | |||
Cyberbullying targeted | 35 | 70 | −0.20 | 0.06 | −0.30 | −0.09 | |||
Timepoint | 0.10 | 3.05 | 0.92 | ||||||
Posttest | 42 | 79 | −0.18 | 0.05 | −0.28 | −0.09 | |||
Follow-up | 8 | 17 | −0.18 | 0.06 | −0.29 | −0.07 | |||
Effect size type | 2.21 | 2.94 | 0.12 | ||||||
Continuous | 36 | 80 | −0.20 | 0.05 | −0.29 | −0.11 | |||
Dichotomous | 9 | 16 | −0.05 | 0.08 | −0.20 | 0.11 | |||
Percent males | 44 | 96 | 0.03 | 0.03 | −0.03 | 0.10 | 0.96 | 1.20 | 0.49 |
Percent nonwhite | 44 | 96 | −0.11 | 0.12 | −0.34 | 0.12 | −0.94 | 19.66 | 0.36 |
df degrees of freedom