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对1985年全省城乡学生体质健康测试对象的全部女学生,年龄范围7～18岁,结合用现状调查法,概率单位旧归法计算半数月经初潮年龄。结果是: 1.全省各城乡女学生的月经初潮年龄,城市间从12.78岁至13.21岁。相差为0.43岁;乡村间从13.41岁至14.27岁,相差达0.86岁。它表明城市间居民生活水平已较接近;而乡村间农民的生活水平差异较大。
In 1985, all the female students in the physical health test of urban and rural students in the province ranged in age from 7 to 18 years old. Combined with the status quo investigation and the old-rate method of probability units, the age of menarche was calculated. The result is: 1.City of all urban and rural women in the province of menarche age, city from 12.78 to 13.21 years old. A difference of 0.43 years; rural areas from 13.41 to 14.27 years old, a difference of 0.86 years old. It shows that the living standards of urban residents are closer; while the living standards of rural residents vary greatly.