habitual smoking associated_with cigarettes
Evidence from:
primary |
all sources
Evidence (1 sources)
Co-occurring risk factors for alcohol dependence and habitual smoking: update on findings from the Collaborative Study on the Genetics of Alcoholism.
(2006)
PMID:17373405
primary
habitual smoking—defined as smoking 20 cigarettes (i.e., one pack) or more daily for at least 6 months
confidence: 0.95