EpiStack

O-69 - Updated cohort meta-analyses find almost all food groups statistically significantly associated with all-cause mortality

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Properties9
type
observation
id
O-69
statement
In recent updated meta-analyses of prospective cohort studies, almost all foods showed statistically significant associations with mortality risk — a pattern that in itself is a signature of pervasive bias rather than of ubiquitous causal food effects.
link_state
linked
source
S-95 - The case that nutritional-epidemiology cohort methods need radical reform
locator
Viewpoint, paragraph 2 (ref. Schwingshackl 2017 food-groups meta-analysis)
quote
In recent updated meta-analyses of prospective cohort studies, almost all foods revealed statistically significant associations with mortality risk.
generally_known
true
data_basis
—

A referenced fact about the nutritional-cohort literature (from an external food-group meta-analysis), resting on no data of Ioannidis’s own. Its discriminating value: if nearly every food is “significantly” associated with mortality, that near-universality is more consistent with correlated exposures plus flexible analysis than with each food exerting a real causal effect.

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