Relevant, biased or confounded results? Relevant, biased or confounded results? Associations of Associations of environmental noise environmental noise and and respiratory symptoms respiratory symptoms in the in the National Childrens´ Respiratory Survey National Childrens´ Respiratory Survey (OGYELF), Hungary, 2005 (OGYELF), Hungary, 2005 Mihály János Varró Mihály János Varró 1 , Zsolt Lang , Zsolt Lang 2 , , Anna Páldy Anna Páldy 1 , Mária Bényi , Mária Bényi 3 , Gizella Nádor , Gizella Nádor 1 , , János Martin János Martin 4 , Gergely Tulipánt , Gergely Tulipánt 4 , , Anna Mácsik Anna Mácsik 1 , Eszter Szabó , Eszter Szabó 1 , Péter Rudnai , Péter Rudnai 1 1 National Institute of Environmental Health, Budapest, Hungary National Institute of Environmental Health, Budapest, Hungary 2 Nomogram Ltd., Budapest, Hungary Nomogram Ltd., Budapest, Hungary 3 National Center for Healthcare Audit and Improvement, Budapest, Hungary National Center for Healthcare Audit and Improvement, Budapest, Hungary 4 National Institute of Occupational Health, Budapest, Hungary National Institute of Occupational Health, Budapest, Hungary
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Relevant, biased or confounded results? Relevant, biased or confounded results?
Associations of Associations of environmental noiseenvironmental noise and and respiratory symptomsrespiratory symptoms in the in the
National Childrens´ Respiratory Survey (OGYELF), National Childrens´ Respiratory Survey (OGYELF), Hungary, 2005Hungary, 2005
Mihály János VarróMihály János Varró11, Zsolt Lang, Zsolt Lang22, , Anna PáldyAnna Páldy11, Mária Bényi, Mária Bényi33, Gizella Nádor, Gizella Nádor11, ,
János MartinJános Martin44, Gergely Tulipánt, Gergely Tulipánt44, , Anna MácsikAnna Mácsik11, Eszter Szabó, Eszter Szabó11, Péter Rudnai, Péter Rudnai11
11National Institute of Environmental Health, Budapest, HungaryNational Institute of Environmental Health, Budapest, Hungary22Nomogram Ltd., Budapest, HungaryNomogram Ltd., Budapest, Hungary33National Center for Healthcare Audit and Improvement, Budapest, HungaryNational Center for Healthcare Audit and Improvement, Budapest, Hungary44National Institute of Occupational Health, Budapest, HungaryNational Institute of Occupational Health, Budapest, Hungary
Former survey series: 1995–2002Former survey series: 1995–2002
– – Nat. Inst. Environ. Health (Budapest, Hungary): Nat. Inst. Environ. Health (Budapest, Hungary):
7–11 year old children (n~20,000)7–11 year old children (n~20,000)
– – Favourable effect of harmonic musicFavourable effect of harmonic music
SummarySummary
Relevant, biased or confounded results?Relevant, biased or confounded results?
– – Seems notSeems not to be biased to be biased
– – Seems notSeems not to be confounded to be confounded
– – Seems Seems to be relevant – ? to be relevant – ?
ThanksThanks
– Ministry of Health:Ministry of Health: financial background;financial background;– Office of the Chief Medical Officer, Office of the Chief Medical Officer,
Leaders of the National Institute of Environmental Health (NIEH):Leaders of the National Institute of Environmental Health (NIEH):support of the study; support of the study;
– The directors and teachers of the cooperating schools:The directors and teachers of the cooperating schools:the succesful process of the survey; the succesful process of the survey;
– Parents: Parents: the correct fill-in of the questinnaires;the correct fill-in of the questinnaires;– Territorial institutes of Nat. Publ. Health and Med. Officer Service: Territorial institutes of Nat. Publ. Health and Med. Officer Service:
help in harvesting the questionnaires;help in harvesting the questionnaires;– All co-workers of the Dept. of Environmental Epidemiology, NIEH:All co-workers of the Dept. of Environmental Epidemiology, NIEH:
(Erzsébet Fleinek, Katalin Garancsy, Renáta Szentmihályi, (Erzsébet Fleinek, Katalin Garancsy, Renáta Szentmihályi, Tamás Rudnai, Dr. Endre Sárkány, Györgyi Tóth):Tamás Rudnai, Dr. Endre Sárkány, Györgyi Tóth):
conscious and hard workconscious and hard work
Thank you Thank you for for your your attention!attention!