time to first cigarette interacts_with duration of smoking
Evidence from:
primary |
all sources
Evidence (1 sources)
Time to First Morning Cigarette and Risk of Chronic Obstructive Pulmonary Disease: Smokers in the PLCO Cancer Screening Trial.
(2015)
PMID:25985429
cited
The association persisted across stratum of smoking duration; risk increased for TTFC <5 min in both ≤40 y and >40 y smokers.
confidence: 0.82