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: Tags: Addict Behav Source Type: research