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KMID : 0381219790110020043
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Journal of RIMSK
1979 Volume.11 No. 2 p.43 ~ p.58
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A Study on the Age at Menarche and Emotional Response toward Menarche among Korean Adolescent Schoplers, Aged 12 Through 21 Inclusive(1978)
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Abstract
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In order to clarify mean age of menarche and attitude toward menarche among Korean adolescent girls, a sample of 1, 266 Korean schoolers, aged 12 through 21, were randomly selected by computer from a bank containing all possible area codes, school codes, and school class codes.
This representative sample was obtained from face to face interview and questionnaire survey, during the period from 1977 to 1978, by the trained professional interviewers, and all data were analysed according to age, residential area, school level, and student morality groupings.
Summary of the major findings were-as follows;
1. Menarche occurred in 82.1% of those girls between 12 and 21 years of age and tended to be increased in the direct proportion to the rise of age. From the analysis of the incidence of menarche by residential area, early adolescent girls living in Seoul area showed higher percentage (62.5%) than country dwellers (47.1%).
2. The age at menarche provides an excellent indicators of the overall rate of gonadal maturation for an individuals or a population. Numerous studies give ample evidence that the age at menarche is not fixed but varies from population to population and changes with time. In our recent study, the mean age at menarche among Korean girls is 14.40±1.29 years of age, and these data were about 9 month earlier than that of former Korean study by Ji-Jun in 1929(15.2 years), and a year earlier than that of African study by Vis in 1975. but 1-2 years later than that of other countries study from oriental and western schoolers (Tanner, Zacharias, Parkes, Asayama, Singh, Sinnathuray, or Masse etc.)
3. The Variables of age, residential area,:; school level, and student morality groupings were statistically significant indicators to influence the age at menarche.
4. According to the analysis of age at menarche, earlier adolescent groups show 7 month earlier than that of middle adolescent and 14 month earlier than that of later adolescent. From these results, the authors concluded that the earlier the chronological age is, the earlier the age at menarche occurs.
5. From the study on the variation of menarchal age by residential area, Seoul girls exp_ erienced menarche about a year earlier (13.75 years) than that of country dwellers (14.70 years), and this age at menarche was earliest in middle adolescent Seoul girls, but latest in late adolescent country girls (15.20±1.25 years).
6. According to the analysis by student morality groupings, early adolescent honor students show the earliest age at menarche (13.12 years) but the latest in late adolescent students with behavioral problems (15.80 years).
7. In the early and middle adolescent schoolers, Seoul students experienced menarche before the age of 12 years comparing with country groups.
8. of the 1, 039 girls who experienced menarche, 54.3 percent of them show unpleasurable response toward their menarche such as surprising (28.3%), unpleasant feeling (18.9%), considering as illness (4.4%), or guilt feeling (2.7%). But the rest of the subjects answered as shame response (24.6%) pleasurable response (11.3%), or indifference toward their
menarche(6.4%).
9. According to the analysis by student morality groupings, younger honor students show pleasurable response toward their menarche, but older students with beharioral problems or college students report as unpleasurable response toward their menarche.
10. From the detail analysis of emotional response at menarche, it was revealed that high school girls living in country were frequently experienced menarche as shame, guilt or disinterest menarche, but Seoul high school girls report as surprising or disinterest reponse toward their menarche.
From these results, the authors concluded that more broad and comprehensive systematic sex education must be needed as possible as earlier period of life.
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