General Population

10% Moderate and 70% Heavy

Moderate

(RR=10)

Heavy

(RR=20)

Expected

RR

40

10

0.4

50

10

0.5

60

10

0.5

70

10

0.6

30

20

0.5

40

20

0.6

50

20

0.6

60

20

0.7

20

30

0.6

30

30

0.6

40

30

0.7

50

30

0.7

10

40

0.6

10

50

0.8

10

60

0.9

10

70

1.0



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