In-unit particulate matter (PM2.5) in a public housing complex and the importance of tobacco and cannabis as indoor pollutants.

Indoor Environ · 2026 · PMC13082832 · PMID 41993105

Europe PMC DOI

hedged sentences

0.0600

closest p · 1.2× alpha

0.0600

boldest claim

The sentences

approached significancep = 0.060so close (0.05 < p ≤ 0.1)

Living in a townhome as opposed to in an apartment building approached significance in association with average in-unit PM 2.5 in the univariable model (p = 0.060) and was significantly associated with 25.7% (95% CI [2.4–43.4%]) lower average in-unit PM 2.5 in the multivariable model (p = 0.035) ( Tables 4 and 5 ).

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borderline significantno p-value reported

Tobacco smoking remained significant across all thresholds, while cannabis and unit type became borderline significant with widening CIs when n = 66, likely driven by the dramatically lower sample size.

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