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Table 2 Estimation of combined population attributable fractions

From: Immediately modifiable risk factors attributable to colorectal cancer in Malaysia

Description PAF Multiplication (A x B x C) Preventable cases (95% CI)a
Men (n = 201)
 Alcohol consumption 0.078 (0.038–0.129) - -
 Overweight 0.045 (0.02–0.076) - -
 Physical inactivity 0.101 (0.07–0.13) - -
 Three combined factors   0.209 (0.123–0.3) 42 (25–60)
Women (n = 168)
 Alcohol consumption (A) 0.021 (0.001–0.055) - -
 Overweight (B) 0.009 (0.02–0.076) - -
 Physical inactivity (C) 0.116 (0.06–0.174) - -
 Three combined factors   0.142 (0.08–0.279) 24 (13–47)
  1. PAF population attributable fraction
  2. aPAFcombined = 1 − (1 − PAFphysical inactivity) × (1 − PAFoverweight) × (1 − PAFalcohol consumption)
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