Relative food prices and obesity in US Metropolitan areas: 1976-2001.

PLoS One · 2014 · PMC4264774 · PMID 25502888

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only marginally significantno p-value reported

This is not a surprising finding, since the effects found in the first-difference approach are only marginally significant and depend on the specification.

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Quoted from the open-access full text in Europe PMC under the licence the publisher applied. The sentence is reproduced exactly as published; the emphasis is ours.