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KMID : 0353019730100010049
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Korean Journal of Public Health
1973 Volume.10 No. 1 p.49 ~ p.59
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A Study on Use-effectiveness of Oral Contraceptives
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Abstract
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For the purpose of assessing use-effectiveness of Oral Contraceptive Methods by the processes in "Statistical Evaluation of contraceptive Methods" Studied by Tietze anti Lewit, based on Monthly observation chart made by family planning field workers, a study was launched by the Urban Population Studies Center on 346 IUD Dropouts who voluntarily took oral pill, registered at Sung Dong Gu Family Planning Station from August, 1968 to May, 1970.
The findings and results obtained were as follows:
1. General Characteristics of Women:
a. The average was 33.4 years and the mean age at marriage and duration of marital lives were computed at 20.3 and 13.2 years respectively.
b. About 68 percent of women had received primary school education or below.
c. The average number of pregnancies, live births, living children and Induced abortions turned out as 5.2, 3.7, 3.3 and 1.4 respectively.
d. The wastage of pregnancies was found to be 29 percent.
e. As the outcome of last pregnancies, the rate of abortion was 48.8 percent and live birth constituted 50.3 percent.
2. Information related to termination of IUD:
a. A subatantialy large proportion of 82.9 percent had removed intrauterine device by several medical reasons such as pain (62.5%), bleeding (12.2%) and inflammation (5.2%). And the expulsion rate constituted 9.3 percent.
b. About 55 percent of women had practiced other contraceptive methods continuously after the termination of intra-uterine device, and the methods adopted were mainly condom and oral pill.
3. Findings on status subsequent to administration of oral contraceptives.
a. Total cumulative Discontinuation rates (Use-effectiveness First contraception)
Total cumulative discontinuation rates were computed at 9.1 percent at the end of first cycle, 22.6 percent at the end of 3rd cycle, 39.1 percent at the end of 6th cycle, 49 percent at the end of 9th cycle, 58.8 percent at the end of 12th cycle, 69.9 percent at the end of 15th cycle.
b. Cumulative Discontinuation Rates by reasons. Among discontinuation rates, a large proportion from 64 percent of total cumulative discontinuation rates to 97 percent was occupied by medical reasons and secondary proportion from 9 percent of total cumulative discontinuation rates to 22 percent was occupied by personal reasons. The different specific discontinuation reason with other women in low age group of having 2 children was planning baby.
c. Cumulative Disontinuation Rates by Characteristics of Women.
① Use effectiveness by education level.
Cumulative Discontinuation Rates were computed at 70.7 percent in law eduation group at the end of 15th cycle and 67.8 percent in high education group at the end of 15th cycle. There was not much difference but these rates in low education group were slight higher than those in high education group.
② Use-effectiveness by age.
Cumulative Discontinuation rates in low age group (under 29 years) were computed at 70.9 percent at the end of 9th cycle and 46.1 percent in high age group (over 30 years). Those rates in low age group were much higher than those in high age group.
③ Use-effectiveness by number of living children.
Cumulative Discontinuation Rates in women who were having 2 living children or less were computed at 59.5 percent at the end 6th cycle and 60.4 percent in women who were having 3 children and 63.9 percent in women who were having 4 children or more.
Among them, these rates in women who where having 2 living children or less showed the highest rates.
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