age associated_with controls
Evidence from:
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all sources
Evidence (1 sources)
Incorporating age at onset of smoking into genetic models for nicotine dependence: evidence for interaction with multiple genes.
(2010)
PMID:20624154
cited
average age for controls was 36.9 years (SD=5.3); this was a small, but significant difference (p<0.001)
confidence: 0.92