San Francisco Burden of Disease & Injury Study:
Determinants of Health
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Contribution of Poor Diet to SF Burden of Disease

The Population Attributable Fraction (PAF) for mortality is the proportional reduction in a specific cause of death that would have been expected if the population had no exposure to a specific determinant. It is calculated from the relative risk from exposure (RR) to the determinant and the prevalence of exposure to the determinant in the population (P), expressed as PAF = P(RR-1)/[P(RR-1) + 1]. Though it has limitations, PAF is an important measure for public health planning.

A reasonable first estimate of the PAF for all cause mortality associated with sexual behavior is as follows:


Poor Diet


Contribution to overall disease burden in SF

Downstream (health consequences)

Upstream causes

What can be done?

Web resources

MEDLINE strategies

Updated Feb 5, 2003

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