Table 8 Assessment of endogeneity test using the Gaussian copula approach.
Path | Copula coefficient | LLCI | ULCI | p-value |
|---|---|---|---|---|
GC (SSA) -> CSA | 0.013 | −0.559 | 0.444 | 0.959 |
GC (SSA) -> HSA | -0.219 | −0.787 | 0.314 | 0.431 |
GC (HSA) -> EP | 0.132 | −0.374 | 0.505 | 0.551 |
GC (CSA) -> EP | -0.183 | −0.644 | 0.193 | 0.390 |
GC (SSA) -> HSA -> EP | 0.064 | −0.110 | 0.316 | 0.534 |
GC (SSA) -> CS A -> EP | 0.009 | −0.422 | 0.334 | 0.963 |