Key result
A 10-g/d increase in total dietary fiber intake was associated with a reduced risk of total CHD events among women (RR 0.81; 95% CI 0.66-0.99).
Why the study?
Does higher long-term intake of dietary fiber reduce the incidence of acute MI or death due to CHD in women without prior cardiovascular disease?
Population
68,782 US women aged 37 to 64 years without previously diagnosed angina, myocardial infarction, stroke…
Comparison
Higher intake of total dietary fiber and fiber… vs Lower intake of total dietary fiber.
Design
Cohort
Follow-up
10 years
Authors
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Cautious interpretation needed for this observational link; extends evidence on fiber and CHD in women but leaves causality open for trials.
Cohort (n=68,782)
Does higher long-term intake of dietary fiber reduce the incidence of acute MI or death due to CHD in women without prior cardiovascular disease?
Effect estimate: RR 0.77 (95% CI 0.57-1.04)
Higher long-term intake of dietary fiber, particularly from cereal sources, is associated with a significantly reduced risk of coronary heart disease in women.
A. Wolk (1999) conducted a cohort in Coronary Heart Disease (n=68,782). Total dietary fiber intake vs. Lowest quintile (median 11.5 g/d) was evaluated on Incidence of acute MI or death due to CHD (RR 0.77, 95% CI 0.57-1.04). A 10-g/d increase in total dietary fiber intake was associated with a reduced risk of total CHD events among women (RR 0.81; 95% CI 0.66-0.99).
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