title: [Study on epidemic factors of the decline of cervical cancer mortality in Shandong province].
abstract: It is well known that the decline in the incidence or mortality rates of cervical cancer was very significant in the eighties as compared with in the seventies in China. In Shandong province the mortality of cervical cancer was reduced by 76.3 percent during from 1974 year to 1989 year. According to the survival time of patients with cervical cancer in Cangshan county showed that the decline in the mortalities was due to cut down the incidences of it. A birth cohorts study of mortality of the disease was made in the period time of from 1970 to 1989 in Qixia county. The results of which indicated that the cohorts of women who reached puberty after 1949 have much lower rates of cervical cancer than the cohorts of women who reached sexual maturity before that time. The correlation analysis showed the main reason for the decline was related to the elimination of the venereal diseases by the end of 1964 year. The birth control programme having been carried out since the beginning in the sixties also found in relation to the decline of cervical cancer in the eighties.
authors.affiliation: Shandong Academy of Medical Sciences, Jinan.
authors.forename: H
authors.initials: H
authors.lastname: Li
mesh_terms: D000328:Adult; D000367:Age Factors; D000368:Aged; D002681:China / Q000453:epidemiology; D015331:Cohort Studies; D005163:Factor Analysis, Statistical; D005193:Family Planning Services; D005260:Female; D006801:Humans; D008875:Middle Aged; D012749:Sexually Transmitted Diseases / Q000517:prevention & control; D002583:Uterine Cervical Neoplasms / Q000401:mortality*