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  • Title: Contraceptive method switching among American female adolescents, 1979.
    Author: Hirsch MB, Zelnik M.
    Journal: J Adolesc Health Care; 1985 Jan; 6(1):1-7. PubMed ID: 3965412.
    Abstract:
    Better knowledge about contraceptive use in adolescents is needed if pregnancy prevention is to be improved. Data from the 1979 National Survey of Young Women were used to examine method switching once contraceptive use had begun among 449 never-pregnant young women who reported premarital intercourse more than once. Bivariate chi2 tests and multivariate logit regression were used to examine factors related to switching in four analyses: overall switching; switching among those with one intercourse partner; and switching from nonmedical and medical methods separately. Frequency of intercourse and type of first method had an interactive effect on switching; length of exposure to switching, type of relationship, and reason for choosing the first method were also significant. These results suggest that providers and educators should consider the circumstances under which contraceptive methods are chosen and used by young women when counseling them as to what method may be best for them. Better knowledge about contraceptive use by adolescents is needed if pregnancy prevention is to be improved. Data from the 1979 National Survey of Young Women in the continental US were used to examine method switching once contraceptive use had begun among 449 never pregnant young women who reported premarital intercourse more than once. Bivariate X to the 2nd power tests and multivariate logit regression were used to examine factors related to switching in 4 analyses: 1) overall switching; 2) switching among those with 1 intercourse partner; and 3-4) switching from nonmedical and medical methods separately. The first 2 analyses were also done by race. Analysis of overall switching by race showed that the % of never pregnant young black women who had a switch in either direction was 32.2%, with 39.8% for young white women. With low frequency of intercourse there was no difference in the likelihood of switching between respondents who used a nonmedical and those who used a medical 1st method. For respondents with high frequency, those with a nonmedical 1st method were much more likely to switch than those who used a medical 1st method. Analysis of overall switching for those with 1 sexual partner showed that of the 138 women in this group 29.7% had switched their contraceptive method. Engaged couples were significantly more likely to experience a first switch than those going steady or dating. Analysis of data for switching by type of first method used showed that of the black and white women who used a nonmedical first method, 3992% and 45.9%, respectively, switched from that method. For each race frequency of intercourse and length of exposure were directly related to the likelihood of switching. 21% of all the medical first method users had a contraceptive method switch. Frequency of intercourse and type of first method had an interactive effect on switching; length of exposure to switching, type of relationship, and reason for choosing the first method were also significant. These results show that providers and educators should consider the circumstances under which contraceptive methods are chosen and used by young women when counseling them as to what method may be best for them.
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