Nita K Shala, Jo S Stenehjem, Ronnie Babigumira, Fei-Chih Liu, Leon A M Berge, Debra T Silverman, Melissa C Friesen, Nathaniel Rothman, Qing Lan, H Dean Hosgood, Sven O Samuelsen, Magne Bråtveit, Jorunn Kirkeleit, Bettina K Andreassen, Marit B Veierød, Tom K Grimsrud
BACKGROUND: Occupational exposures constitute the second leading cause of urinary bladder cancer after tobacco smoking. Increased risks have been found in the petroleum industry, but high-quality exposure data are needed to explain these observations. METHODS: Using a prospective case-cohort design, we analysed 189 bladder cancer cases (1999-2017) and 2065 randomly drawn non-cases from the Norwegian Offshore Petroleum Workers cohort. Cases were identified in the Cancer Registry of Norway, while work histories (1965-1998) and lifestyle factors were recorded by questionnaire at baseline (1998)...
July 18, 2023: British Journal of Cancer