Table 4

Population attributable risk fractions* for four or five Healthy Lifestyle Index factors, International Study of Asthma and Allergies in Childhood phase III

Current wheezeAsthma everCurrent symptoms of rhinoconjunctivitisCurrent symptoms of eczema
All regions 20.2 (12.8 to 27.6)16.4 (10.2 to 22.6)6.0 (–2.8 to 14.8)4.8 (0.2 to 9.3)
Regions of the world
 Western Europe25.5 (18.5 to 32.6)16.4 (7.4 to 25.3)10.8 (2.3 to 19.3)3.1 (–2.6 to 8.9)
 Northern and Eastern Europe10.5 (–7.5 to 28.6)26.3 (6.8 to 45.7)−20.2 (–33.5 to –6.9)−7.0 (–20.1 to 6.1)
 Eastern Mediterranean8.3 (–25.9 to 42.6)2.7 (–29.5 to 34.9)−7.8 (–49.8 to 34.2)−0.9 (–54.9 to 53.1)
 Latin America25.8 (4.0 to 47.5)17.6 (0.3 to 35.0)17.7 (–1.1 to 36.5)11.8 (–0.2 to 23.8)
 Asia Pacific16.6 (–1.1 to 34.4)19.8 (–8.9 to 48.5)11.6 (–2.7 to 25.9)15.5 (–4.5 to 35.4)
 Oceania6.58 (–0.08 to 13.2)10.2 (4.8 to 15.6)−15.9 (–53.6 to 21.8)2.8 (–4.5 to 10.1)
  • *Data represents the proportion (95% CIs) of the cases attributable to not being in the lowest risk exposure group (ie, four or five healthy lifestyle factors). Negative values indicate no benefit from Healthy Lifestyle Index.