Occupational variation in the risk of female breast cancer in the Nordic countries

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http://hdl.handle.net/10138/273454

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Katuwal , S , Martinsen , J I , Kjaerheim , K , Sparen , P , Tryggvadottir , L , Lynge , E , Weiderpass , E & Pukkala , E 2018 , ' Occupational variation in the risk of female breast cancer in the Nordic countries ' , Cancer Causes & Control , vol. 29 , no. 11 , pp. 1027-1038 . https://doi.org/10.1007/s10552-018-1076-2

Title: Occupational variation in the risk of female breast cancer in the Nordic countries
Author: Katuwal, Sushmita; Martinsen, Jan Ivar; Kjaerheim, Kristina; Sparen, Par; Tryggvadottir, Laufey; Lynge, Elsebeth; Weiderpass, Elisabete; Pukkala, Eero
Contributor: University of Helsinki, Faculty of Medicine
Date: 2018-11
Language: eng
Number of pages: 12
Belongs to series: Cancer Causes & Control
ISSN: 0957-5243
URI: http://hdl.handle.net/10138/273454
Abstract: ObjectiveThis study aimed to determine occupational variations in the incidence of breast cancer in the population-based cohort of Nordic Occupational Cancer Study (NOCCA).MethodsThe study included long-term follow-up data from almost 7.5million Nordic women. Participants were assigned to one of the 54 occupational categories based on census records at the ages of 30-64years. Sixty-two thousand cases of breast cancer were identified through record linkages between nationwide cancer registries in Finland, Sweden, Norway, Denmark, and Iceland, followed up between 1961 and 2005. Country-specific standardized incidence ratios (SIRs) with 95% confidence intervals were estimated.ResultsOverall, the highest risk elevations were seen among military personnel (SIR 1.58, 95% CI 1.03-2.32), dentists (SIR 1.43, 95% CI 1.31-1.56), and physicians (SIR 1.35, 95% CI 1.26-1.46). The lowest risks were observed among gardeners (SIR 0.76, 95% CI 0.74-0.78), farmers (SIR 0.80, 95% CI 0.78-0.82), and woodworkers (SIR 0.75, 95% CI 0.70-0.81). Welders, tobacco workers, and painters had higher SIRs for breast cancer diagnosed at age
Subject: Breast cancer
Nordic
Occupational exposure
Risk factors
NIGHT-SHIFT WORK
LIFE-STYLE
FOLLOW-UP
PHYSICAL-ACTIVITY
HORMONE-THERAPY
UNITED-STATES
WOMEN
COHORT
EXPOSURE
AGE
3122 Cancers
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