[Statistical materials. Part 1: statistical data for the capitals of Union Republics and cities with more than one million inhabitants].
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The proportion of marriages that end in divorce can be estimated from vital registration or from census data. The former source suggests considerably higher levels of divorce than does the latter. A new series, combinig the two sources, is presented for annual marriage cohorts back to 1867. Actual experience to 1970 is traced and a projection beyond that point is made for cohorts with incomplete divorce histories. The cohort divorce series moves steadily upwards and shows much less variability than an equivalent series of period divorce rates. Factors related to high divorce within a cohort are armed service mobilization and high unemployment rates in the year of marriage, and slow national economic growth between pre- and post-marital periods.
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In a group of 2,700 women making initial visits to the contraception clinic at one university (California State University at Fullerton) between 1974 and 1978, oral contraceptives were the most frequently chosen of three prescription methods. (The others were the IUD and diaphragm.) The proportion of women choosing the pill, however, declined sharply over the period--from 89 percent of patients in 1974 to 63 percent in 1978. Choice of the diaphragm rose substantially: In 1978, 33 percent chose it, compared to six percent in 1974. The proportion of women choosing the IUD fluctuated over the four-year period, showing no clear trend, and averaging eight percent over the entire span. The decline in the proportion of women choosing the pill was sharpest among white Anglo students--down from 85 percent to 63 percent; among nonwhites and Hispanics, the proportion fell from 89 percent to 80 percent. The increase in the choice of the diaphragm was also greatest among the Anglo students. These trends of decreased choice of the pill and increased acceptance of the diaphragm are much sharper than those shown among young married women at the national level.
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