Table 3.
Results of the weighted meta-regressions of continuous moderator variables on the lifetime prevalence estimates
| Moderator variable | k | bj | QR | p | QE | p | R2 |
|---|---|---|---|---|---|---|---|
| Mean age (years) |
30 |
0.104 |
5.10 |
.024 |
2017.26 |
< .001 |
0.457 |
| Gender (% of males) |
27 |
0.008 |
0.34 |
.557 |
4819.51 |
< .001 |
0.0 |
| Response rate |
27 |
−0.023 |
2.94 |
.086 |
4807.91 |
< .001 |
0.0 |
| Quality scale (0–100) |
30 |
0.019 |
6.21 |
.013 |
2886.94 |
< .001 |
0.348 |
| Publication year | 30 | 0.062 | 9.82 | .002 | 4957.61 | < .001 | 0.0 |
k: number of studies. bj: regression coefficient of the moderator variable. QR: statistic to test the influence of the moderator variable on the prevalence rates. QE: statistic to test the model misspecification. R2: proportion of variance accounted for by the moderator variable.