Does having children affect adult smoking prevalence and behaviours at home?

Tob Induc Dis · 2003 · PMC2671546 · PMID 19570258

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a clear trendno p-value reported

Wilson et al [ 16 ] showed a clear trend toward lower scores, in all dimensions of quality of life, among smokers than for never-smokers and ex-smokers, and lower scores among heavy smokers than for moderate and light smokers.

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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.