In addition, to evaluate potential bias because of unmeasured systematic differences between consumers and nonconsumers, we conducted a sensitivity analysis excluding vegans. Vegans comprised a substantial portion of the zero egg consumption group, which could disproportionately influence this group, and they often differ in other lifestyle or health-related characteristics.
So they eliminated vegans from the sensitivity analysis despite them comprising a substantial portion of the no-egg group.
If the analysis doesn’t hold with vegans included, it’s probably saying a lot about dairy rather than eggs.
They said it held up with and without vegans, getting the same result.
Results from the sensitivity analysis excluding vegans remained very consistent with the primary findings (Table 3). The HR for consuming eggs 5 or more times/wk, compared with never/rare consumption, was 0.73 (0.60, 0.89).
Comments
So they eliminated vegans from the sensitivity analysis despite them comprising a substantial portion of the no-egg group.
If the analysis doesn’t hold with vegans included, it’s probably saying a lot about dairy rather than eggs.
They said it held up with and without vegans, getting the same result.