Table 2 Average absolute bias \(\left|{\widehat{\beta }}_{TM}-{\beta }_{TM}\right|\) for the different confounding adjustment methods for confounding adjustment models (b)-(d)
Adjustment model | |||||
|---|---|---|---|---|---|
Adjustment method | (a) | (b) | (c) | (d) | |
\({{\varvec{\beta}}}_{{\varvec{T}}{\varvec{M}}}=0.3\) Prev.\({\varvec{M}}=0.5\) | (1) | 0.066664 | 0.000773 | 0.000791 | 0.000791 |
(2) | 0.082535 | 0.059600 | 0.058446 | 0.000765 | |
(3) | 0.063750 | 0.005581 | 0.001400 | 0.001400 | |
(4) | 0.055594 | 0.008806 | 0.004108 | 0.004226 | |
\({{\varvec{\beta}}}_{{\varvec{T}}{\varvec{M}}}=0.3\) Prev.\({\varvec{M}}=0.1\) | (1) | 0.075085 | 0.001873 | 0.001715 | 0.001715 |
(2) | 0.093259 | 0.062743 | 0.322948 | 0.001586 | |
(3) | 0.083261 | 0.017981 | 0.011239 | 0.011239 | |
(4) | 0.096792 | 0.038555 | 0.043617 | 0.038939 | |
\({{\varvec{\beta}}}_{{\varvec{T}}{\varvec{M}}}=0.6\) Prev.\({\varvec{M}}=0.5\) | (1) | 0.066454 | 0.000816 | 0.000749 | 0.000749 |
(2) | 0.081596 | 0.059213 | 0.056933 | 0.000941 | |
(3) | 0.060059 | 0.003119 | 0.002269 | 0.002269 | |
(4) | 0.052857 | 0.006547 | 0.007896 | 0.005279 | |
\({{\varvec{\beta}}}_{{\varvec{T}}{\varvec{M}}}=0.6\) Prev.\({\varvec{M}}=0.1\) | (1) | 0.073871 | 0.000848 | 0.000925 | 0.000925 |
(2) | 0.092722 | 0.056906 | 0.319295 | 0.00106 | |
(3) | 0.074819 | 0.013062 | 0.012955 | 0.012955 | |
(4) | 0.079721 | 0.036695 | 0.046072 | 0.041207 | |