1

Participation rates

All Munich childrenGerman childrenGerman children with test#
Parental questionnaire6244/7509 (83.2)4777/6198 (77.1)3953/6198 (63.8)
SkinĀ­prick test3422/5705 (60.0)2577/3710 (69.5)2233/3710 (60.2)
Serum sample2569/5705 (45.0)1895/3710 (51.1)1656/3710 (44.6)
Bronchial challenge1140/2019 (56.5)904/1381 (65.5)771/1318 (55.8)
  • Data are presented as n/total n (%)

  • #: plus geographically referenced address, stored in the geographical information system