Nonparticipation selection bias in the MOBI-Kids Study

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• dc.contributor.author Turner, Michelle C.
• dc.contributor.author Gracia-Lavedan, Esther
• dc.contributor.author Langer, Chelsea Eastman
• dc.contributor.author Castaño Vinyals, Gemma
• dc.contributor.author Albert, Alex
• dc.contributor.author Badia, Francesc
• dc.contributor.author Carretero, Gema
• dc.contributor.author Cardis, Elisabeth
• dc.date.accessioned 2022-05-18T05:35:00Z
• dc.date.available 2022-05-18T05:35:00Z
• dc.date.issued 2019
• dc.description.abstract Background: MOBI-Kids is a 14-country case-control study designed to investigate the potential effects of electromagnetic field exposure from mobile telecommunications devices on brain tumor risk in children and young adults conducted from 2010 to 2016. This work describes differences in cellular telephone use and personal characteristics among interviewed participants and refusers responding to a brief nonrespondent questionnaire. It also assesses the potential impact of nonparticipation selection bias on study findings. Methods: We compared nonrespondent questionnaires completed by 77 cases and 498 control refusers with responses from 683 interviewed cases and 1501 controls (suspected appendicitis patients) in six countries (France, Germany, Israel, Italy, Japan, and Spain). We derived selection bias factors and estimated inverse probability of selection weights for use in analysis of MOBI-Kids data. Results: The prevalence of ever-regular use was somewhat higher among interviewed participants than nonrespondent questionnaire respondents 10-14 years of age (68% vs. 62% controls, 63% vs. 48% cases); in those 20-24 years, the prevalence was ≥97%. Interviewed controls and cases in the 15- to 19- and 20- to 24-year-old age groups were more likely to have a time since start of use of 5+ years. Selection bias factors generally indicated a small underestimation in cellular telephone odds ratios (ORs) ranging from 0.96 to 0.97 for ever-regular use and 0.92 to 0.94 for time since start of use (5+ years), but varied in alternative hypothetical scenarios considered. Conclusions: Although limited by small numbers of nonrespondent questionnaire respondents, findings generally indicated a small underestimation in cellular telephone ORs due to selective nonparticipation.
• dc.description.sponsorship The research leading to these results has received funding from the European Community’s Seventh Framework Programme (FP7/2007–2013) under grant agreement number 226873—the MOBI-Kids project and the European Commission grant 603794-GERoNiMO project. The international coordination of the project was partly supported by a grant from the Spanish Ministry of Science and Innovation (MICCIN). France: this project received funds from the French National Agency for Sanitary Safety of Food, Environment and Labour (ANSES, contract FSRF2008-3), French National Cancer Institute (INCa), Pfizer Foundation, and League against cancer. Germany: The German branch of MOBI-Kids is supported by the Federal Office for Radiation Protection. Italy: Ministry of Health RF-2009-1546284. Japan: Japanese participation in MOBI-Kids is supported by the Ministry of Internal Affairs and Communications by Grant No. 0155-0007. Spain: Spanish participation was partially supported by the Spanish Health Research Fund (FISPI10/02981), the Andalusian Consejeria de Salud (PI-0317/2010), and Conselleria de Sanitat, Generalitat Valenciana under grant number 025/2010. ISGlobal is a member of the CERCA Programme, Generalitat de Catalunya. M.C.T. was supported by the Departament de Salut, Generalitat de Catalunya (SLT002/16/00232).
• dc.format.mimetype application/pdf
• dc.identifier.citation Turner MC, Gracia-Lavedan E, Momoli F, Langer CE, Castaño-Vinyals G, Kundi M et al. Nonparticipation selection bias in the MOBI-Kids Study. Epidemiology. 2019 Jan;30(1):145-53. DOI: 10.1097/EDE.0000000000000932
• dc.identifier.doi http://dx.doi.org/10.1097/EDE.0000000000000932
• dc.identifier.issn 1044-3983
• dc.identifier.uri http://hdl.handle.net/10230/53126
• dc.language.iso eng
• dc.publisher Lippincott Williams & Wilkins
• dc.relation.ispartof Epidemiology. 2019 Jan;30(1):145-53
• dc.relation.projectID info:eu-repo/grantAgreement/EC/FP7/226873
• dc.relation.projectID info:eu-repo/grantAgreement/EC/FP7/603794
• dc.rights © 2018 The Author(s). Published by Wolters Kluwer Health, Inc. This is an open-access article distributed under the terms of the Creative Commons Attribution-Non Commercial-No Derivatives License 4.0 (CCBY-NC-ND), where it is permissible to download and share the work provided it is properly cited. The work cannot be changed in any way or used commercially without permission from the journal.
• dc.rights.accessRights info:eu-repo/semantics/openAccess
• dc.rights.uri https://creativecommons.org/licenses/by-nc-nd/4.0/
• dc.subject.keyword Adolescents
• dc.subject.keyword Brain tumors
• dc.subject.keyword Case–control study
• dc.subject.keyword Cellular telephone use
• dc.subject.keyword Children
• dc.subject.keyword Epidemiologic methods
• dc.subject.keyword Selection bias
• dc.title Nonparticipation selection bias in the MOBI-Kids Study
• dc.type info:eu-repo/semantics/article
• dc.type.version info:eu-repo/semantics/publishedVersion