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. 1998 May 30;316(7145):1636–1642. doi: 10.1136/bmj.316.7145.1636

Table 1.

Overview of sources of data

Country Design Period Populations excluded Observed No of deaths
Finland Longitudinal 1981-90 None 39 090
Sweden Longitudinal 1980-86 None 39 789
Norway Longitudinal 1980-90 None 22 033
Denmark Longitudinal 1981-90 None 34 400
England and Wales Longitudinal 1981-89 None 2 703
Ireland Cross sectional 1980-82 None 6 348
France Cross sectional 1981-83 French born out of France; foreigners 133 415
Longitudinal 1980-89 French born out of France; foreigners 15 016
Switzerland Cross sectional 1979-82 Foreigners 13 317
Italy Longitudinal 1981-82 Foreigners; people in institutions 8 325
Spain Cross sectional 1980-82 Military 70 524
Portugal Cross sectional 1980-82 Military 22 581