Effectiveness of Interventions to Reduce Tobacco Smoke Pollution in Homes: A Systematic Review and Meta-Analysis.

Int J Environ Res Public Health · 2015 · PMC4690974 · PMID 26694440

Europe PMC DOI

hedged sentence

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closest p · 1.6× alpha

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boldest claim

The sentences

showed a trendp = 0.08so close (0.05 < p ≤ 0.1)

Analysis of change in PM alone showed a benefit to the intervention group (three studies, N = 340, SMD = −0.33, CI: [−0.62, −0.05], p = 0.02), while analysis of change in air nicotine alone showed a trend towards a benefit to the intervention group (air nicotine change: four studies, N = 421, p = 0.08).

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