周産期死亡率の地域格差に関する研究

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タイトル別名
  • Studies on Regional Differences of Perinatal Mortality Rates
  • シュウサンキ シボウリツ ノ チイキ カクサ ニカンスルケンキュウ

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抄録

The present paper describes the annual changes in perinatal mortality rates for each district in Gifu Prefecture, the factors governing perinatal deaths, and the factors affecting the differences in perinatal mortality rates among districts. These analyses were done using the data of public health statistics of Gifu Prefecture. The results obtained were as follows.1) Perinatal mortality rates for each district showed a progressive decrease with years. However, the regional differences were still remarkable. It follows from thi s that it is of special importance to reduce the regional differences.2) Perinatal deaths were relalated to: birth weight, gestational age, birth order, single or mutiple birth, sex of foetus or infant, pevious foetal deaths, place of delivery, and attendant of delivery.3) Perinatal mortality rates were inversly correlated with the number of nurses per population and the percent polulation served by public water supply systemOn the other hand, they were positively correlated with: infant mortality rates, spontaneous foetal death rates, standardized birth rates, the proportion of newborns with birth weight less than 1800 grams, the proportion of the 4 th and over live births, the percent population engaged in the primary industries, and the proportion of households with seven and over members.4) The above variables associated with perinatal mortality rates, were significantly correlated with one another. Thus, the partial and multiple correlation coefficients were calculated. These results also demonstrated that perinatal mortality rates were negatively correlated with the number of nurses per population, the percent population served by public water supply system, but positively with the proportion of newborns with birth weight less than 1800 grams.A factor of percent population engaged in primary industries seems to be responsible for the observed negative correlation between perinatal mortality rates and the number of nurses per population or percent population served public water supply system.5) These observations suggest the importance of preventing low birth weight and elavating the level of general public health in improving the regional differences of perinatal mortality rates.

収録刊行物

  • 民族衛生

    民族衛生 44 (2), 74-92, 1978

    日本民族衛生学会

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