Let ω be the number of deaths attributable to a risk factor (e.g. overweight and obese); and ωi be the number of deaths attributable to a specific exposure category i (e.g. overweight) of the risk factor. |
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Using the notations in Table 2,
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Using the notations of Allison et al, equation 11 can be expressed as
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Using the notations of Mokdad et al, and adding Pq (fraction of population underweight) and RRq (relative risk for underweight), equation 11 becomes
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