Socioeconomic Status and Childhood Leukemia Incidence in Switzerland.

Adam, Martin; Kuehni, Claudia E; Spoerri, Adrian; Schmidlin, Kurt; Gumy-Pause, Fabienne; Brazzola, Pierluigi; Probst-Hensch, Nicole; Zwahlen, Marcel (2015). Socioeconomic Status and Childhood Leukemia Incidence in Switzerland. Frontiers in oncology, 5, p. 139. Frontiers Research Foundation 10.3389/fonc.2015.00139

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Socioeconomic status (SES) discrepancies exist for child and adult cancer morbidity and are a major public health concern. In this Swiss population-based matched case-control study on the etiology of childhood leukemia, we selected the cases from the Swiss Childhood Cancer Registry diagnosed since 1991 and the controls randomly from census. We assigned eight controls per case from the 1990 and 2000 census and matched them by the year of birth and gender. SES information for both cases and controls was obtained from census records by probabilistic record linkage. We investigated the association of SES with childhood leukemia in Switzerland, and explored whether it varied with different definitions of socioeconomic status (parental education, living condition, area-based SES), time period, and age. In conditional logistic regression analyses of 565 leukemia cases and 4433 controls, we found no consistent evidence for an association between SES and childhood leukemia. The odds ratio comparing the highest with the lowest SES category ranged from 0.95 (95% CI: 0.71-1.26; P trend = 0.73) for paternal education to 1.37 (1.00-1.89; P trend = 0.064) for maternal education. No effect modification was found for time period and age at diagnosis. Based on this population-based study, which avoided participation and reporting bias, we assume the potential association of socioeconomic status and childhood leukemia if existing to be small. This study did not find evidence that socioeconomic status, of Switzerland or comparable countries, is a relevant risk factor or strong confounder in etiological investigations on childhood leukemia.

Item Type:

Journal Article (Original Article)

Division/Institute:

04 Faculty of Medicine > Pre-clinic Human Medicine > Institute of Social and Preventive Medicine

UniBE Contributor:

Kühni, Claudia; Spörri, Adrian; Schmidlin, Kurt and Zwahlen, Marcel

Subjects:

600 Technology > 610 Medicine & health
300 Social sciences, sociology & anthropology > 360 Social problems & social services

ISSN:

2234-943X

Publisher:

Frontiers Research Foundation

Language:

English

Submitter:

Doris Kopp Heim

Date Deposited:

09 Feb 2016 15:25

Last Modified:

09 Sep 2017 10:35

Publisher DOI:

10.3389/fonc.2015.00139

PubMed ID:

26175964

Additional Information:

Adam and Kuehni contributed equally to this work.

Uncontrolled Keywords:

case–control study; childhood cancer; leukemia; risk factor socioeconomic status

BORIS DOI:

10.7892/boris.76875

URI:

https://boris.unibe.ch/id/eprint/76875

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