Statistical evaluation of contraceptive methods: use-effectiveness and extended use-effectiveness
Demography, 5(2), 931-940
Abstract
The recent advent of national family planning programs and the expansion of local programs have created an acute need for accurate statistical evaluation of contraceptive methods. Effectiveness in terms of pregnancy rates and continuation or discontinuation of use of the contraceptive method or methods under study have emerged as the major criteria in such evaluations.
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Cite this article
Lewit, S., & Tietze, C. (1968). Statistical evaluation of contraceptive methods: use-effectiveness and extended use-effectiveness. *Demography*, *5*(2), 931-940. https://doi.org/10.2307/2060282
Lewit S, Tietze C. Statistical evaluation of contraceptive methods: use-effectiveness and extended use-effectiveness. Clin Obstet Gynecol. 1968;5(2):931-940. doi:10.2307/2060282
Lewit, Sarah, and Christopher Tietze. "Statistical evaluation of contraceptive methods: use-effectiveness and extended use-effectiveness." *Demography*, vol. 5, no. 2, 1968, pp. 931-940.