Table 4 Tests and measures of mediation for MDA in the relationship between mercury and liver function
Mediation variable | Outcome | Indirect effect | S.E | P value for Sobel test | Percent (%) of the total effect that is mediated |
|---|---|---|---|---|---|
All participants | |||||
 MDA | AST | 1.0× 10−5 | 6.3× 10−5 | 0.872 | 11.92 |
ALT | −1.2× 10−5 | 7.3× 10−5 | 0.873 | 12.17 | |
GGT | 1.0× 10−5 | 6.6× 10−5 | 0.879 | 19.38 | |
Non-drinkers | |||||
 MDA | AST | 1.1× 10−4 | 3.2× 10−4 | 0.735 | 3.24 |
ALT | −2.2× 10−4 | 4.1× 10−4 | 0.583 | 7.37 | |
GGT | 1.2× 10−5 | 3.3 × 10−4 | 0.971 | 27.29 | |