Commentary: problems in Finnish or British data--or a true difference?
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Biomedical subjects
S V Koskinen
Publications and source records attributed to S V Koskinen.
Mortality in a large population-based cohort of patients with drug-treated diabetes mellitus.
OBJECTIVES: This paper presents detailed cause-specific data about excess mortality among diabetic persons in Finland, by age and sex. METHODS: Five-year follow-up data on the Finnish population aged 30 through 74 years were analyzed. During these 5 years, 11,215 persons with diabetes and 102,843 persons without diabetes died. The diabetic population was defined as people who were entitled to free medication for diabetes at the beginning of the follow-up period, that is, at the end of 1980. RESULTS: The relative mortality of persons with drug-treated diabetes compared with nondiabetic persons was higher among women (3.4) than among men (2.4). Almost three quarters of the mortality excess was due to circulatory diseases. For most other causes of death, too, diabetic persons had higher than average mortality. The exceptions were lung cancer, chronic obstructive pulmonary disease, and alcohol poisoning. CONCLUSIONS: Diabetes is a general risk factor for untimely death and makes a significant contribution to overall national death rates, particularly for circulatory diseases. Lower than average mortality from smoking-related diseases and alcohol poisoning, however, warrant optimism about the effects of health education among diabetic persons.
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Socioeconomic differences in mortality among diabetic people in Finland: five year follow up.
OBJECTIVE: To compare socioeconomic differences in mortality (by cause of death) among diabetic people with those in the rest of the population. DESIGN: Five year follow up of mortality in the population of Finland, comparing people with diabetes and those without diabetes. SETTING: Finland. SUBJECTS: All residents of Finland aged 30 to 74 included in the 1980 census. Subjects were classified as diabetic (230,000 person years) or other (12,400,000 person years) according to whether they were exempted from charges for medication for diabetes. During 1981-5 there were 114,058 deaths, of which 11,215 were in people with diabetes. MAIN OUTCOME MEASURES: Age standardised mortality by sex, social class, and cause of death for the diabetic and non-diabetic populations. RESULTS: No significant social class differences in mortality were found among women with diabetes. Among diabetic men there was a slight increasing trend in mortality from the upper while collar group to the unskilled blue collar workers but it was much less steep than that of non-diabetic men. CONCLUSIONS: Among people with diabetes in Finland the quality of treatment and compliance with treatment probably do not vary by socioeconomic status. Health education for diabetic people seems to be effective in all socioeconomic strata; in people from the lower strata this leads to greater changes because their health behavior was originally less good.
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