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Breakfast Type and Cardiovascular Mortality: The Japan Collaborative Cohort Study
Jingyun Tang1, Jia-Yi Dong1, Ehab S Eshak1,2
1Public Health, Department of Social Medicine, Graduate School of Medicine, Osaka University.
Journal of Atherosclerosis and Thrombosis
|December 21, 2022
Summary
A mixed Japanese-Western breakfast may protect against cardiovascular death, while skipping breakfast could increase risks. This study analyzed breakfast types and mortality in over 85,000 adults.
Area of Science:
- Cardiovascular epidemiology
- Nutritional science
- Public health
Background:
- The relationship between specific breakfast dietary patterns and cardiovascular mortality remains underexplored.
- Understanding these associations is crucial for public health recommendations.
Purpose of the Study:
- To investigate the association between various breakfast types and the risk of mortality from stroke, coronary heart disease (CHD), and total cardiovascular disease (CVD).
Main Methods:
- A cohort of 85,319 adults (aged 40-79) without prior CVD or cancer was analyzed.
- Participants were categorized by self-reported breakfast habits: Japanese, Western, mixed, other, or skipping breakfast.
- Cox proportional hazards regression models were used to estimate hazard ratios (HRs) for mortality, adjusting for confounders.
Main Results:
- Over a median 19-year follow-up, 5,870 CVD deaths occurred.
- Compared to a Japanese breakfast, a mixed Japanese-Western breakfast was associated with lower CVD mortality (HR 0.64; 95% CI 0.52-0.79).
- Skipping breakfast was linked to increased risks of total CVD (HR 1.31; 95% CI 1.00-1.71) and coronary heart disease (CHD) (HR 1.77; 95% CI 1.11-2.83).
Conclusions:
- A mixed Japanese-Western breakfast pattern may offer a protective effect against cardiovascular mortality.
- Conversely, habitually skipping breakfast appears detrimental to cardiovascular health.
- Dietary choices at breakfast warrant further investigation for their impact on long-term cardiovascular outcomes.
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