Socioeconomic status and risk of childhood leukaemia in Denmark

Scandinavian Journal of Public Health
Ole Raaschou-NielsenJohnni Hansen

Abstract

The aim of this study was to assess the influence of socioeconomic status on the risk of childhood leukaemia. A matched case-control design was used. The study population comprised all children (0-14 years old) born and reported to the Danish Cancer Registry between 1976 and 1991 for a diagnosis of leukaemia (n=377). Controls were selected from the Central Population Registry and matched by sex, age, and time of birth. Each child was assigned three categories of socioeconomic status, one corresponding to the annual average income in the municipality of residence at the time of birth, another corresponding to that at the time of diagnosis, and, finally, each family was assigned one of five social classes by use of the job titles of the parents. Conditional logistic regression was used to estimate the effect of socioeconomic status on the risk of childhood leukaemia. Children born in low-income municipalities had a significantly increased risk of leukaemia (RR=2.71; 95% CI=1.41-5.21; p=0.003), which was higher among those who received their diagnosis before age five (RR=3.43; 95% CI=1.52-7.74; p=0.003). Neither individual social class nor the socioeconomic status of the residential area at the time of diagnosis was convincingly a...Continue Reading

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Citations

Oct 18, 2008·Radiation Protection Dosimetry·Martin AdamClaudia E Kuehni
Feb 20, 2007·Pediatric Clinics of North America·Irena BukaAlvaro R Osornio Vargas
May 13, 2009·Pediatric Blood & Cancer·Sam M MbulaiteyeSusan S Devesa
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Jun 4, 2008·Epidemiology·Michela BacciniPaola Michelozzi
Jun 17, 2008·Epidemiology·Ole Raaschou-NielsenKaare Ulbak

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