Socioeconomic inequalities in non-communicable diseases and their risk factors: an overview of systematic reviews.

BMC Public Health · 2015 · PMC4575459 · PMID 26385563

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a clear trendno p-value reported

As expected, the results from these reviews show a clear trend towards an association between low SES and increased risk of obesity.

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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.