<strong><span style="font-family: TimesNewRomanPS-BoldMT;"><font face="TimesNewRomanPS-BoldMT"><p align="left"> </p></font></span><p align="left"><span style="font-size: x-small; font-family: TimesNewRomanPS-BoldMT;"><span style="font-size: x-small; font-family: TimesNewRomanPS-BoldMT;">ENGLISH SUMMARY</span></span></p></strong><span style="font-size: x-small; font-family: TimesNewRomanPSMT;"><span style="font-size: x-small; font-family: TimesNewRomanPSMT;"><font face="TimesNewRomanPSMT"

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... "><font face="TimesNewRomanPSMT" size="2"><p align="left">Strand LÅ.</p></font></font></span><font face="TimesNewRomanPSMT" size="2"><p align="left"> </p></font></span><p align="left"><strong><span style="font-size: x-small; font-family: TimesNewRomanPS-BoldMT;"><span style="font-size: x-small; font-family: TimesNewRomanPS-BoldMT;">Cancer risk and cause-specific mortality among workers in the Norwegian offshore<strong><font face="TimesNewRomanPS-BoldMT" size="2"><font face="TimesNewRomanPS-BoldMT" size="2"><p align="left">oil industry.</p></font></font></strong></span><strong><font face="TimesNewRomanPS-BoldMT" size="2"><p align="left"> </p></font></strong></span></strong><span style="font-size: x-small; font-family: TimesNewRomanPS-ItalicMT;"><span style="font-size: x-small; font-family: TimesNewRomanPS-ItalicMT;">Nor J Epidemiol </span></span><span style="font-size: x-small; font-family: TimesNewRomanPSMT;"><span style="font-size: x-small; font-family: TimesNewRomanPSMT;">2001; </span></span><strong><span style="font-size: x-small; font-family: TimesNewRomanPS-BoldMT;"><span style="font-size: x-small; font-family: TimesNewRomanPS-BoldMT;">11 </span></span></strong><span style="font-size: x-small; font-family: TimesNewRomanPSMT;"><span style="font-size: x-small; font-family: TimesNewRomanPSMT;">(2): 137-142.<p align="left">The Cancer Registry of Norway has, in collaboration with the Norwegian oil industry association, started a</p><p align="left">project investigating cancer risk and cause-specific mortality among workers in the Norwegian offshore oil</p><p align="left">industry. The project started in 1996 by identifying the 61,300 present and former workers on the platforms</p><p align="left">on the Norwegian continental shelf. The main contributors to the crew lists were oil companies, contracting</p><p align="left">companies, labour unions, safety training schools, and the national archives of Norway. In 1998 a selfadministered</p><p align="left">questionnaire was distributed by mail to the 57,000 workers alive and living in Norway. The</p><p align="left">questionnaire included questions on offshore job history, other occupations, leisure activities, and life-style</p><p align="left">factors such as smoking, alcohol consumption and nutrition.</p><p align="left">The study design of the project is a prospective cohort study, where cancer incidence and mortality</p><p align="left">among the exposed (the offshore workers) will be compared with the non-exposed (the general population).</p><p align="left">Factors known to cause cancer and other diseases in other industries are probably present in the offshore</p><p align="left">work environment. The offshore workers may also be exposed to harmful agents more or less specific for</p><p align="left">the work on the platforms, such as crude oil, gas, and drilling mud. Intense work periods and long leave</p><p align="left">periods, a diet rich in fat and calories, cheap tobacco, a ban on alcohol consumption on the platform, and</p><p align="left">worry about helicopter flights and platform safety are also factors that may influence the workers' health.</p><p align="left">The overall response rate was 62%. The collected material will constitute a basis for research in the</p><p align="left">coming decades. With regular intervals the cohort will be linked to the cancer database in the Cancer</p><p align="left">Registry and the Cause of Death Registry at Statistics Norway.</p><p align="left">Because they are a highly selected group, the offshore workers as a whole will probably be as healthy as</p><p align="left">the general population, yet excesses in cancer incidence and certain causes of death among the most exposed</p><p>workers (i.e., maintenance workers, drilling personnel, welders, painters and cleaners) are expected.</p></span></span></p><p align="left"> </p>