Table 1.
Difference between multivariable- and univariable effect estimate ) | Confounding bias () |
Noncollapsibility effect () |
---|---|---|
Negative | Negative value | Negative value |
Zero | Negative value | |
Negative value | Zero | |
Positive value | Greater negative value than the positive confounding bias value | |
Greater negative value than the positive noncollapsibility effect value | Positive value | |
Zero | Zero | Zero |
Equal positive value as the negative noncollapsibility effect value | Equal negative value as the positive confounding bias value | |
Equal negative value as the positive noncollapsibility effect value | Equal positive value as the negative confounding bias value | |
Positive | Positive value | Positive value |
Zero | Positive value | |
Positive value | Zero | |
Negative value | Greater positive value than the negative confounding bias value | |
Greater positive value than the negative noncollapsibility effect value | Negative value |