time to first cigarette risk_factor_for chronic bronchitis
Evidence from:
primary |
all sources
Evidence (3 sources)
Time to First Morning Cigarette and Risk of Chronic Obstructive Pulmonary Disease: Smokers in the PLCO Cancer Screening Trial.
(2015)
PMID:25985429
cited
chronic bronchitis was more strongly influenced by TTFC ... TTFC may be more strongly associated with chronic bronchitis
confidence: 0.90
Time to First Morning Cigarette and Risk of Chronic Obstructive Pulmonary Disease: Smokers in the PLCO Cancer Screening Trial.
(2015)
PMID:25985429
cited
ORs between TTFC and chronic bronchitis were all statistically significant in both men and women.
confidence: 0.90
Time to First Morning Cigarette and Risk of Chronic Obstructive Pulmonary Disease: Smokers in the PLCO Cancer Screening Trial.
(2015)
PMID:25985429
cited
In models which considered emphysema and chronic bronchitis separately, adjusting for the other condition attenuated the association slightly but statistical significance was retained.
confidence: 0.92