Why the study?
How do coffee and tobacco consumption affect blood pressure in a cross-sectional population?
Population
1491 individuals (1098 men and 393 women) from the Algiers district
Design
Cross-sectional
Authors
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Should not change BP management; leaves open causal effects of coffee and smoking in cross-sectional data.
How do coffee and tobacco consumption affect blood pressure in a cross-sectional population?
Coffee consumption is positively associated with diastolic blood pressure, while cigarette smoking is negatively associated with both systolic and diastolic blood pressure, potentially masking the effects of coffee.
Lang et al. (1983) studied this question.
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