Smoking and Socio-demographic correlates of BMI.

BMC Public Health · 2016 · PMC4902908 · PMID 27287474

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an increasing trendno p-value reported

According to the Singapore National Health Survey conducted in 2004, there has been an increasing trend of smoking and obesity [ 16 ].

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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.