The Association of Body Mass Index With Health Outcomes: Causal, Inconsistent, or Confounded? | Zendy

Eyal Shahar | Zendy

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The Association of Body Mass Index With Health Outcomes: Causal, Inconsistent, or Confounded?

Author(s) -

Eyal Shahar

Publication year - 2009

Publication title -

american journal of epidemiology

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 2.33

H-Index - 256

eISSN - 1476-6256

pISSN - 0002-9262

DOI - 10.1093/aje/kwp292

Subject(s) - confounding , body mass index , association (psychology) , causality (physics) , index (typography) , medicine , body weight , demography , statistics , causal inference , diagram , mathematics , psychology , physics , quantum mechanics , sociology , world wide web , computer science , psychotherapist

According to the definition of confounding in a causal diagram, the association of body mass index (weight (kg)/height (m)(2)) with health-related outcomes is almost always noncausal, attributable to confounding by weight and perhaps height. The same conclusion holds for any other deterministic derivation from weight and height. No causal knowledge is gained by estimating a nonexistent effect of body mass index.

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