Variable | Estimate | Std. Error | P-value |
---|---|---|---|
Year | 0.57 | 0.14 | < 0.01 |
Type | Â | Â | Â |
   Survey | Referent | - | - |
   Clinical | -0.78 | 1.11 | 0.49 |
Age Category | Â | Â | 0.22 |
   Adolescents and adults | Referent | - | - |
   Children and adolescents | 2.86 | 2.29 | 0.21 |
   Children under 6 | 4.11 | 2.40 | 0.09 |
   Mixed ages | 3.90 | 2.34 | 0.10 |
   N/A | 4.21 | 2.53 | 0.10 |
Mixed Mutants | Â | Â | 0.90 |
   Separate | Referent | - | - |
   Combined | 069 | 1.15 | 0.55 |
   Excluded | 0.74 | 1.13 | 0.51 |
   N/A | 0.42 | 1.06 | 0.69 |
Random Effects | Variance | Std Dev | P-value |
Study | 8.83 | 2.97 | < 0.01 |