A Review of Epidemiological Research on Adverse Neurological Effects of Exposure to Ambient Air Pollution.

Front Public Health · 2016 · PMC4974252 · PMID 27547751

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only marginally significantno p-value reported

In addition to having only marginally significant lower odds of having better memory test performance in the exposed group, the study might have suffered non-response bias.

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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.