Table 6.
Correlation of quantitative moderator candidates with the population coefficient.
| ρ | Var(ρ) | Cor(rc, y) | Cor(ρ, y) | 95% CI | K | N | |
|---|---|---|---|---|---|---|---|
| Age | 0.107 | 0.031 | −0.009 | −0.011 | (−0.345, 0.325) | 34 | 4000 |
| Gender | 0.133 | 0.029 | −0.263 | −0.329 | (−0.050, −0.550) | 50 | 5340 |
| Year | 0.130 | 0.027 | −0.402 | −0.511 | (−0.685, −0.270) | 51 | 5621 |
ρ, mean population correlation; var(ρ), variance of population correlations; Cor(rc, y), correlation of the moderator candidate with the correlations in the single studies; Cor(ρ, y), correlation of moderator candidate y with the population coefficient ρ; CI, confidence interval around Cor(ρ, y); K, number of independent study correlations; N, total sample size.