Swimming pool attendance and respiratory symptoms and allergies among Dutch children

OBJECTIVES To describe associations among swimming, respiratory health, allergen sensitisation and Clara cell protein 16 (CC16) levels in Dutch schoolchildren. Trichloramine levels in swimming pool air were determined to assess potential exposure levels. METHODS Respiratory health and pool attendance information was collected from 2359 children, aged 6-13 years. Serum from 419 children was tested for allergen sensitisation and CC16 levels. Trichloramine levels were assessed in nine swimming facilities. RESULTS Trichloramine levels ranged from 0.03 to 0.78 mg/m(3) (average 0.21 mg/m(3)). Report... Mehr ...