Epidemiology

British Journal of Cancer (2004) 90, 1364–1366. doi:10.1038/sj.bjc.6601695 www.bjcancer.com
Published online 2 March 2004

Major life event – diagnosis of schizophrenia in offspring and risk for cancer

S O Dalton1, T M Laursen2, P B Mortensen2 and C Johansen1

  1. 1Danish Cancer Society, The Institute of Cancer Epidemiology, Strandboulevarden 49, DK-2100 Copenhagen, Denmark
  2. 2National Centre for Register-based Research, Aarhus University, Aarhus, Denmark

Correspondence: Dr C Johansen, E-mail: christof@cancer.dk

Revised 17 November 2003; Accepted 5 January 2004; Published online 2 March 2004.

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Abstract

The overall risk for cancer among 19 856 parents of schizophrenic patients in Denmark was not increased; however, a 30% increased risk for lung cancer was observed in mothers (95% confidence interval, 1.03–1.61), suggesting an indirect effect on cancer risk mediated by life-style factors.

Keywords:

neoplasms, stress, psychological, life change events, cohort studies, registries

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