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.

Calvo-Muñoz et al.

Calvo-Muñoz et al. BMC Pediatrics 2013 13:14   doi:10.1186/1471-2431-13-14

Open Data