Table 3

Associations between recent symptoms and allergen skin prick test reactivity and population fractions of symptoms attributable to skin prick test reactivity (PAF%) in urban and rural schoolchildren

Recent symptomsSPTInteraction p value
OR (95% CI)p ValuePAF%OR (95% CI)p ValuePAF%
Wheeze2.35 (1.63 to 3.40)<0.00110.71.36 (1.01 to 1.83)
Rhinitis1.82 (1.22 to 2.73)0.0047.30.94 (0.63 to 1.40)0.750.01
Eczema1.60 (0.99 to 2.60) (1.00 to 2.16)
  • Shown also are p values for the interaction effect of the area of residence.

  • Numbers in bold represent p<0.05.

  • ORs are adjusted for age, sex and maternal educational level (eczema only).

  • PAF%, population attributable fraction; SPT, skin prick test reactivity.