The fertility rate in Ethiopia is very high. According to the 2000 EthiopianrnDemographic and Health Survey (EDHS) an Ethiopian woman gives birth onrnaverage to 5.9 children. Problems posed by high fertility rates and populationrngrowth have sparked studies of the factors determining contraceptive usagernsince contraceptive is used for birth control. The major objective of this study isrnto determine the factors that affect the use of contraceptive methods forrnEthiopian women.rn, "rnThe study is based on data from the 2005 EDHS with a total of 14,070 women inrnthe age group 15-49 years. Binary logistic regression and descriptive statisticalrnmeasures are used for the analysis. The binary logistic regression analysis isrnapplied to examine the association between contraceptive usage status andrnwomen's demographic, socio-economic, and cultural characteristics.rnBinary logistic regression analysis revealed that the age of a woman, place ofrnresidence, religion, partner's education level, woman's education, informationrnabout family planning (FP) on radio, frequency of listening to radio, visit by FPrnworker, region and wealth index were the most important variables thatrnexplained the variability in contraceptive usage. Women who had higherrneducation and higher parb1er's education, righer wealth status, were exposed tornradio, resided in urban areas, catholic women, exposed to FP message on thernradio, were visited by FP worker, aged from 25-29, and especially those whornlived in Addis Ababa were more likely to use contraceptive methods.rn,