Utility of percentage of births to teenagers as a surrogate for the teen birth rate

J. Gould, T. Blackwell, C. Heilig and M. Axley

American Journal of Public Health, 1998, vol. 88, issue 6, 908-912

Abstract: Objectives. The teen birth rate is commonly used in comparing regional variation in teen pregnancies, but local teen birth rates are not always available. In this study the percentage of all births that are to teen waste was evaluated for utility a surrogate for the teen birth rate. Methods. Rank correlation and sensitivity and specificity analyses were used. Results. The Spearman rank correction between percentage of teen births (PTB) and teen birth rate (TBR) were .995, .906, and .841 for the 3 age groups suggesting that it may be reasonable to employ PTB to prioritize zip codes. Zip codes with upper quartile levels of percentage of teen births identified zip codes with upper quartile levels of TBR with a sensitivity of 83.8%, 68.8%, and 65%; a false-positive rate of 2.1%, 8.6%, and 10% and a positive product value of 89.3%, 67.6% and 67.5% for the age groups 10 through 14, 15 through 17 and 18 through 19 years. Conclusions. The percentage of birth to teens is a useful surrogate for the birth rate in California, especially among younger teenagers.

Date: 1998
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Persistent link: https://EconPapers.repec.org/RePEc:aph:ajpbhl:1998:88:6:908-912_9

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