Cigarette smoking and risk of coronary heart disease incidence among middle-aged Japanese men and women: the JPHC Study Cohort I
Why the study?
Does current cigarette smoking increase the risk of coronary heart disease incidence compared to never-smoking in middle-aged Japanese men and women?
Population
41,282 middle-aged Japanese men (n=19,782) and women (n=21,500) aged 40-59 years
Comparison
Current cigarette smoking vs Never-smoking
Design
Cohort
Follow-up
1990-1992 to 2001
Authors
Discussion
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Member takes
Implication
Highlights smoking-related CHD risk in middle-aged Japanese adults; extends evidence to this demographic while leaving generalizability open.
Structured PICO
Does current cigarette smoking increase the risk of coronary heart disease incidence compared to never-smoking in middle-aged Japanese men and women?
P
Population
41,282 middle-aged Japanese men (n=19,782) and women (n=21,500) aged 40-59 years
I
Intervention
Current cigarette smoking
C
Comparator
Never-smoking
O
Outcome
Incidence of coronary heart disease (CHD)hard clinical
Cigarette smoking significantly increases the risk of coronary heart disease in middle-aged Japanese men and women, with smoking cessation rapidly reducing this risk within 2 years.
Cite This Study
Baba et al. (2006) studied this question.