TABLE 2-6 Some Estimates of Attributable Fractions

Study

Population

Definition of Exposure

Ie

Iu

Attributable Fraction

The attribution of skin test reactivity to allergen exposure

House dust mites

Murray et al., 1985

Children visiting allergy clinic (Canada)

u = residence in dry areas (N = 60)

e = residence in humid areas (N = 714)

0.4

0.02

0.95

D. Charpin et al., 1991

Schoolchildren (France)

u = residence in low mite region (N = 240)

e = residence in high mite region (N = 693)

0.167

0.041

0.75

D. Charpin et al., 1988a

Adults (France)

u = residence in low mite region (N = 1,055)

e = high mite region (N = 4,008)

0.275

0.102

0.63

Sporik et al., 1990

Children of an atopic parent (England)

u = exposure to <10 µg/g of mite (N = 17)

e = exposure to >10 µg/g of mite (N = 43)

0.47

0.31

0.34

Grass pollen

 

 

 

 

 

D. Charpin et al., 1991

Schoolchildren (France)

u = residence in low grass region (N = 693)

e = residence in high grass region (N = 240)

0.217

0.085

0.61



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