We first review the asSociations between depression and cardiovascular diseases (CVDs). Then we examine them in the nationally representative Mini‐Finland Health Survey, which covers 8,000 persons. Chronic somatic diseases and mental disorders were diagnosed using standardized methods. Cross‐sectionally, CVDs and neurotic depression were asSociated both before and after adjustment for covariates. The strongest asSociations were observed in the case of severe CVDs. During a 6.6 year follow‐up, the risk of CVD death and coronary death was elevated in depressed persons both with and without CVDs at entry. Much of the cross‐sectional asSociation is probably due to depression caused by CVDs. The outcome of CVD may be poorer in depressed persons. The hypothesis that depression is a cause of CVDs requires further study.
The association between the serum selenium level and the subsequent incidence of cancer was investigated in a longitudinal study of 39,268 men and women participating in the Social Insurance Institution's Mobile Clinic Health Examination Survey in Finland. The baseline examinations, including the collection of blood samples, were performed in 1968-1972. During a median follow-up of 10 years, 1,096 new cancer cases were identified from the files of the Finnish Cancer Registry. Selenium concentrations were measured from the stored serum samples collected from these cancer cases and from two controls per case, matched for sex, municipality, and age. The mean serum selenium level was 59.1 micrograms/L among all male cancer cases and 62.5 micrograms/L among controls. The difference was statistically significant (P less than .001). Corresponding values among women were 63.6 and 63.9 micrograms/L, respectively. Low serum selenium levels were associated with an increased risk of developing cancer at several sites, especially cancers of the stomach and lung among men. The relative risk of lung cancer between the highest and lowest decile of serum selenium was 0.11, and it differed significantly from unity (P less than .001). These findings are in agreement with the hypothesis that low selenium intake may increase the risk of some cancers among men.
Objective-To investigate the effect of overweight on premature mortality and work disability in young and middle aged Finns. Design Main outcome measures-Mortality and work disability pensions from all and specified causes.Results -Body mass index was a weak predictor of death but a strong predictor of early work disability, which increased linearly with body mass index. After adjustment for age, geographical region, occupation, and smoking the relative risks of work disability for women and men with a body mass index ¢30 kg/mi were, respectively, 2-0 (95% confidence interval 1-8 to 2.3) and [1][2][3][4][5] (1-3 to 1-7) when compared with those of subjects with body mass index <22-5 kg/mi.The increased risks were due to an excess of cardiovascular and musculoskeletal diseases but not of mental diseases. One fourth of all disability pensions from cardiovascular and musculoskeletal causes in women and half as many in men could be attributed to overweight (body mass index >25 kg/mi) alone.Conclusions-Though modest overweight has little impact on mortality it predicts severe functional impairment. A considerable proportion of work disability pensions could probably be prevented by efficient weight control.
The Mini Finland Health Survey was an extensive epidemiological study of the Finnish population aged 30 or over; the prevalence of mental disorders was one aspect studied. Prevalence of symptoms in the General Health Questionnaire as well as the prevalence of self‐perceived and clinically assessed mental disorders was studied. The total prevalence of clinically assessed mental disorders was 17.4%, 14.8% in the men and 19.5% in the women. A definite disorder was observed for 11.7% of the subjects. About half of the subjects suffering from a mental disorder according to clinical assessment also reported a self‐perceived disorder. Of various diagnoses, the most common were phobic and anxiety neurosis (6.2%) and neurotic depression (4.6%). The prevalence of schizophrenia was 1.3%. The highest prevalence was found in the ages 50 to 64 years. The prevalence of psychoses was highest in northern and eastern Finland, and that of neuroses in southern Finland.
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