Lack of utility of cigarettes per day cutoffs for clinical and laboratory smoking research.
CONCLUSIONS: Researchers should consider abandoning the use of smoking rate cutoffs to determine study eligibility. If smoking rate cutoffs are used, a rationale should be presented along with justification for the specific cutoff chosen.
PMID: 31386967 [PubMed - as supplied by publisher]
Source: Addictive Behaviors - Category: Addiction Authors: Oliver JA, Pacek LR, Locey EN, Fish LM, Hendricks PS, Pollak KI Tags: Addict Behav Source Type: research
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