Table 2 Parameter estimates of two-level empty model with intra class correlation coefficient (ICC).
Covariates | Estimate | Odds ratio | p-value |
|---|---|---|---|
Fixed effect | |||
Intercept | −0.682 | 0.505 | <0.001 |
Random effect | |||
\({\delta }_{u0}^{2}\,\)(Intercept) | 0.064 | — | <0.001 |
Intra class correlation coefficient (ICC) | |||
\({\rm{ICC}}=\frac{0.064}{(0.064+3.289)}=0.019\) | |||