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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
medicine
The impact of the method of consent on response rates in the ISAAC time trends study
International Journal of Tuberculosis and Lung Disease, Volume 14, No. 8, Year 2010
Notification
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Description
BACKGROUND: Centres in Phases I and III of the International Study of Asthma and Allergies in Childhood (ISAAC) programme used the method of consent (passive or active) required by local ethics committees. METHODS: Retrospectively, relationships between achieved response rates and method of consent for 13-14 and 6-7-year-olds (adolescents and children, respectively), were examined between phases and between English and non-English language centres. RESULTS: Information was obtained for 113 of 115 centres for adolescents and 72/72 centres for children. Both age groups: most centres using passive consent achieved high response rates (>80% adolescents and >70% children). English language centres using active consent showed a larger decrease in response rate. Adolescents: seven centres changed from passive consent in Phase I to active consent in Phase III (median decrease of 13%), with five centres showing lower response rates (as low as 34%). Children: no centre changed consent method between phases. Centres using active consent had lower median response rates (lowest response rate 45%). CONCLUSION: The requirement for active consent for population school-based questionnaire studies can impact negatively on response rates, particularly English language centres, thus adversely affecting the validity of the data. Ethics committees need to consider this issue carefully. © 2010 The Union.
Authors & Co-Authors
Ellwood, Philippa Ellen
New Zealand, Auckland
The University of Auckland
Asher, Innes
New Zealand, Auckland
The University of Auckland
Stewart, Alistair W.
New Zealand, Auckland
The University of Auckland
Aït-Khaled, Nadia
France, Paris
International Union Against Tuberculosis and Lung Disease
Anderson, Hugh Ross
United Kingdom, London
St George’s, University of London
Beasley, Richard W.
New Zealand, Wellington
Medical Research Institute of new Zealand
Bjõrkstén, Bengt
Sweden, Stockholm
Karolinska Institutet
Brunekreef, Bert A.
Netherlands, Utrecht
Institute for Risk Assessment Sciences
Crane, Julian
New Zealand, Dunedin
Otago Medical School
Flohr, C.
United Kingdom, London
St John's Institute of Dermatology
Foliaki, Sunia
New Zealand, Wellington
Centre for Public Health Research
Forastiére, Francesco
Italy, Rome
Rome e Health Authority
García-Marcos, Luis
Spain, Murcia
Universidad de Murcia
Keil, Ulrich
Germany, Munster
University of Münster
Lai, Christopher K.W.
Hong Kong, Hong Kong
Chinese University of Hong Kong
Mallol, Javier
Chile, Santiago
Universidad de Santiago de Chile
Mitchell, Eleanor J.
New Zealand, Auckland
The University of Auckland
Montefort, Stephen R.
Malta, Msida
L-università Ta' Malta
Odhiambo, Joseph A.
Kenya, Nairobi
Kenya Medical Research Institute
Pearce, Neil E.
New Zealand, Wellington
Centre for Public Health Research
Robertson, Colin Francis
Australia, Melbourne
Murdoch Children's Research Institute
Strachan, David Peter
United Kingdom, London
St George’s, University of London
von Mutius, Erika R.M.
Germany, Munich
Klinikum Der Universität München
Weiland, Stephan Karl
Germany, Ulm
Universität Ulm
Weinmayr, Gudrun
Germany, Ulm
Universität Ulm
Williams, Hywel C.
United Kingdom, Nottingham
Queen's Medical Centre
Wong, Gary Wing Kin
Hong Kong
Prince of Wales Hospital Hong Kong
Clayton, Tadd Oliver
New Zealand, Auckland
The University of Auckland
Benhabylès, Badia
Unknown Affiliation
Esamai, Fabian O.
Unknown Affiliation
Ng'Ang'A, Lucy W.
Unknown Affiliation
Bouayad, Z.
Unknown Affiliation
Onadeko, Babatunde O.
Unknown Affiliation
Zar, Heather J.
Unknown Affiliation
Jerray, Mohamed
Unknown Affiliation
Chen, Yuzhi
Unknown Affiliation
Zhong, Nanshan
Unknown Affiliation
Lau, Yu Lung
Unknown Affiliation
Kartasasmita, Cissy Bana
Unknown Affiliation
Odajima, Hiroshi
Unknown Affiliation
Teh, K. H.
Unknown Affiliation
de Bruyne, Jessie Anne
Unknown Affiliation
Quah, Ban Seng
Unknown Affiliation
Cua-Lim, Felicidad
Unknown Affiliation
Goh, Daniel Yam Thiam
Unknown Affiliation
Lee, H. B.
Unknown Affiliation
Huang, Jinglong
Unknown Affiliation
Vichyanond, Pakit
Unknown Affiliation
Trakultivakom, M.
Unknown Affiliation
Masjedi, Mohammed Reza
Unknown Affiliation
Al-Momen, Jawad A.
Unknown Affiliation
Mahmood, N.
Unknown Affiliation
Pérez-Yarza, Eduardo G.
Unknown Affiliation
Khatav, Vasant A.
Unknown Affiliation
Kumar, Lata
Unknown Affiliation
Setty, Ghanshyam
Unknown Affiliation
Jain, Kailash Chandra
Unknown Affiliation
Sukumaran, Thevaruparambil Unny
Unknown Affiliation
Joshi, Mohan Keshav
Unknown Affiliation
Pherwani, Asha V.
Unknown Affiliation
Sharma, Shail K.
Unknown Affiliation
Hanumante, N.
Unknown Affiliation
Guimaraes, I. M.E.
Unknown Affiliation
Baena-Cagnani, Carlos Eduardo
Unknown Affiliation
Rosário-Filho, Nelson Augusto
Unknown Affiliation
Fischer, Gilberto Bueno
Unknown Affiliation
de Britto, Murilo Carlos Amorim
Unknown Affiliation
de Freitas Souza, Leda Solano
Unknown Affiliation
Solé, Dirceu
Unknown Affiliation
Amarales, Lidia
Unknown Affiliation
Aguilar, Pedro
Unknown Affiliation
Calvo, Mario A.
Unknown Affiliation
Soto-Quirós, Manuel Enrique
Unknown Affiliation
Romieu, Isabelle
Unknown Affiliation
Cukier, Gherson
Unknown Affiliation
Guggiari-Chase, J. A.
Unknown Affiliation
Chiarella O, Pascual
Unknown Affiliation
Holgado, Dolores
Unknown Affiliation
Howitt, M. E.
Unknown Affiliation
Sears, Malcolm R.
Unknown Affiliation
Rennie, Donna C.
Unknown Affiliation
Yeatts, Karin B.
Unknown Affiliation
Redding, Gregory J.
Unknown Affiliation
Priftanji, Alfred V.
Unknown Affiliation
Riikjärv, Mall Anne
Unknown Affiliation
Pekkanen, Juha R.
Unknown Affiliation
Gotua, Maia A.
Unknown Affiliation
Švabe, Vija
Unknown Affiliation
Kudzyte, Jolanta
Unknown Affiliation
Lis, Grzegorz J.
Unknown Affiliation
Brȩborowicz, Anna
Unknown Affiliation
Deleanu, Diana Mihaela
Unknown Affiliation
Kondiourina, E. G.
Unknown Affiliation
Vogt, Hartmut
Unknown Affiliation
Ognev, V.
Unknown Affiliation
Marks, Guy B.
Unknown Affiliation
Moyes, Christopher D.
Unknown Affiliation
Pattemore, Philip
Unknown Affiliation
MacKay, Richard J.
Unknown Affiliation
Haidinger, Gerald
Unknown Affiliation
Statistics
Citations: 100
Authors: 100
Affiliations: 21
Identifiers
ISSN:
10273719
Research Areas
Maternal And Child Health
Study Design
Cross Sectional Study