A Comparative Study on the Living Conditions and Frequency of Hypertension and Deaths for Cerebral Apoplexy in Agricultural and Piscatorial Districts, with Emphasis on the Effect of Anti-Hypertension Measures in Farming Villages Focussed on Improvement of
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概要
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Generally speaking, the mortality for cerebral apoplexy in Miyagi Prefecture is higher in the agricultural districts than in the maritime areas. The present author, in consideration of this fact, selected a farming village (Village A hereunder) and a fishing village (Village B hereunder) in the Prefecture for a closer survey of the living conditions, the incidence to hypertension and the mortality for cerebral apoplexy in these villages in comparison.<BR>Besides, the effect of the periodical examinations, patient administration and the campaign for improvement in living conditions, especially alimentary conditions, in Village A kept up for these 5 years for fighting and preventing hypertension and apoplexy was also reviewed.<BR>The results were in summary as follows.<BR>1. The crude, the mid-age and the age-adjusted death rates for apoplexy were all the highest in the inland rice-producing farming districts, followed by the urban areas and the maritime areas in descending order.<BR>2. In the comparative survey by communal divisions, the mortality for apoplexy was correlated positively with the area of paddy fields and the rice production in the respective communes (counties, cities, towns and villages), positively with the percentage of farmers and negatively with the percentages of workers in commercial and service businesses among the population.<BR>3. The rate of death for apoplexy and the frequency of hypertension were both higher in the Village A than in the Village B selected for the survey. Especially, I found the general level of blood pressure above normal in younger age-classes already in the agricultural village.<BR>4. The dietary habits are very different in farming and fishing villages. In the former, overconsumption of polished rice in the general tendency, wheat and barley, potatoes and sea-weeds being only sparsely eaten, causing deficiency in vitamins A and C, besides, table salt tends to be too largely consumed here.<BR>5. The climate in farming district in Mryagi Prefecture shows rather vehement seasonal fluctuations, temperatures below 0C being frequently recorded in winter, but in the fishing districts, the climate is more mild, sub-zero frigidity being rarely recorded. In heating facilities there is little to choose between agricultural and piscatorial districts, stoves being rarely used, and the indoor temperature being largely influenced dy the outdoor temparature.<BR>6. The hours of labor are longer and the times for recesses and sleep are shorter in the farming than in the fishing villages, works assigned to women are manifold, both in rural and maritime districcts, the womenfolk being subject to labor hours as long as those of men. A high level of blood pressure, however, was noticed in primary school children below laboring age already, in the agricultural village surveyed.<BR>7. Drinking water tended to acidity in Village A but to alkalinity in Village B.<BR>8. The soli too tended to acidity in Village A and to alkalinity in Village B.
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