…Usually, D is the number of deaths in a year, and P is the estimated midyear population for that year (originally the population on July 1, or in Japan, the population on October 1 when the census is conducted). The death rate calculated in this way is also called the crude death rate. There are other death rates, such as the life table death rate ( q x ), which is calculated by directly calculating the population of P from the census results. … *Some of the terminology that refers to "crude death rate" is listed below. Source | Heibonsha World Encyclopedia 2nd Edition | Information |
…ふつうDは1ヵ年間の死亡数を,Pはその年の推定年央人口(本来は7月1日の人口,日本では国勢調査が行われる10月1日の人口)を用いる。これによって算出された死亡率を粗死亡率crude death rateなどともいう。死亡率にはこのほか,Pの人口を直接国勢調査結果に求めて計算される生命表の死亡率(qx)がある。… ※「crude death rate」について言及している用語解説の一部を掲載しています。 出典|株式会社平凡社世界大百科事典 第2版について | 情報 |
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