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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)