Unadjusted | Adjusted | |||||
---|---|---|---|---|---|---|
Correlation structures | WPICC (ρw) | CAC | Intra-cluster correlation matrixa | WPICC (ρw) | CAC | Intra-cluster correlation matrixa |
Exchangeable | 0.160 | 1 | \(\left(\begin{array}{ccc}0.160& 0.160& 0.160\\ {}0.160& 0.160& 0.160\\ {}0.160& 0.160& 0.160\end{array}\right)\) | 0.054 | 1 | \(\left(\begin{array}{ccc}0.054& 0.054& 0.054\\ {}0.054& 0.054& 0.054\\ {}0.054& 0.054& 0.054\end{array}\right)\) |
Nested Exchangeable | 0.187 | 0.774 | \(\left(\begin{array}{ccc}0.187& 0.145& 0.145\\ {}0.145& 0.187& 0.145\\ {}0.145& 0.145& 0.187\end{array}\right)\) | 0.084 | 0.421 | \(\left(\begin{array}{ccc}0.084& 0.035& 0.035\\ {}0.035& 0.084& 0.035\\ {}0.035& 0.035& 0.084\end{array}\right)\) |
Exponential decay | 0.189 | 0.822 | \(\left(\begin{array}{ccc}0.189& 0.156& 0.128\\ {}0.156& 0.189& 0.156\\ {}0.128& 0.156& 0.189\end{array}\right)\) | 0.084 | 0.505 | \(\left(\begin{array}{ccc}0.084& 0.043& 0.021\\ {}0.043& 0.084& 0.043\\ {}0.021& 0.043& 0.084\end{array}\right)\) |
Toeplitz | 0.189 | – | \(\left(\begin{array}{ccc}0.189& 0.153& 0.136\\ {}0.153& 0.189& 0.153\\ {}0.136& 0.153& 0.189\end{array}\right)\) | 0.084 | – | \(\left(\begin{array}{ccc}0.084& 0.041& 0.028\\ {}0.041& 0.084& 0.041\\ {}0.028& 0.041& 0.084\end{array}\right)\) |
Unstructured | – | – | \(\left(\begin{array}{ccc}0.216& 0.140& 0.149\\ {}0.140& 0.156& 0.150\\ {}0.149& 0.150& 0.199\end{array}\right)\) | – | – | \(\left(\begin{array}{ccc}0.091& 0.017& 0.039\\ {}0.017& 0.052& 0.054\\ {}0.039& 0.054& 0.118\end{array}\right)\) |