A study with a cross-over design, in which each participant takes part in both study arms, is likely to have greater power to detect an effect because within-person variation in cigarette consumption is generally smaller than between-person variation [30]
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Smoke-free policies already apply in federally funded public housing, but private landlords usually set their own rules
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A greater understanding of how tobacco product availability, advertising, and promotions could contribute to youth and adult tobacco use could support Tribes with implementation of effective retail policies to prevent their members from tobacco-related disease
Pipe Used: Many various brands and shapes PurchasedFrom: smokingpipes.com Age When Smoked: 1 year 16 people found this review helpful