Home Smoking Bans and Urinary NNAL Levels to Measure Tobacco Smoke Exposure in Chinese American Household Pairs.

Int J Environ Res Public Health · 2021 · PMC8305615 · PMID 34300133

Europe PMC DOI

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a statistical trendno p-value reported

Limitations A limitation of this study is that the parent study was not powered to detect differences in NNAL levels by home smoking ban category, although the percentages of nonsmokers with detectable NNAL levels did have a statistical trend in the hypothesized direction by home smoking ban category.

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