|  |  | Treatment Prevalence According to Study | 50% Treatment Prevalence | 30% Treatment Prevalence | |||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
OR | SD c | SD b | Across | Preferential | Random | Within | Across | Preferential | Random | Within | Across | Preferential | Random | Within |
 | (σ1j) | (σ0j) | Study | Study | Effect | Study | Study | Study | Effect | Study | Study | Study | Effect | Study |
3 | 0.04 | 0.7 | 93 | 90 | 92 | 88 | 86 | 92 | 96 | 92 | 88 | 95 | 98 | 95 |
 |  | 1.4 | 92 | 93 | 93 | 91 | 77 | 91 | 97 | 92 | 66 | 89 | 96 | 91 |
 |  | 2.1 | 87 | 93 | 93 | 91 | 64 | 95 | 98 | 98 | 50 | 95 | 97 | 97 |
 | 0.08 | 0.7 | 93 | 90 | 92 | 88 | 87 | 92 | 96 | 93 | 89 | 96 | 97 | 95 |
 |  | 1.4 | 92 | 93 | 93 | 91 | 79 | 91 | 98 | 93 | 67 | 89 | 96 | 91 |
 |  | 2.1 | 87 | 93 | 94 | 92 | 68 | 96 | 99 | 98 | 53 | 95 | 98 | 98 |
1.5 | 0.04 | 0.7 | 93 | 89 | 90 | 89 | 86 | 92 | 95 | 92 | 86 | 93 | 96 | 92 |
 |  | 1.4 | 92 | 94 | 93 | 91 | 78 | 92 | 96 | 93 | 68 | 95 | 96 | 92 |
 |  | 2.1 | 88 | 94 | 94 | 94 | 66 | 96 | 99 | 98 | 51 | 97 | 97 | 98 |
 | 0.08 | 0.7 | 93 | 89 | 90 | 89 | 87 | 92 | 95 | 93 | 86 | 93 | 96 | 94 |
 |  | 1.4 | 92 | 94 | 93 | 92 | 80 | 94 | 97 | 94 | 70 | 92 | 96 | 93 |
 |  | 2.1 | 89 | 94 | 94 | 93 | 69 | 97 | 99 | 99 | 55 | 97 | 98 | 98 |