摘要
在１９９４年对天津市区和郊县采用随机抽样的方式，对１７、２７、３７、４７、５７、６７岁六个年龄段女性月经初潮年龄进行调查。共调查１２７６人，其中城市６５６人，农村６２０人。统计资料表明，六个年龄段中，同一年龄段城市和农村女性比较，城市女性平均初潮年龄小于农村女性０．３４～１岁，均存在显著性差异。
The women’s menarche was randomly surveyed in groups of l7, 27,37,47,57 and 67 years old in Tianjin urban and suburb areas in l994.The statistic data showed that the Comparing in the same age group,the average age of women's menarche in urban is younger from 0.34 to l year than in Suburbs.The diffrences are significant between these groups.
出处
《天津医科大学学报》
1995年第4期13-16,共4页
Journal of Tianjin Medical University
