For female adoptees, data are available from both the LSS and CAA studies. Alcoholism in the biological background was associated with an increased risk of alcoholism in the LSS study but with a reduced risk in the CAA study. However, a high rate of alcoholism in female control adoptees in the latter study (28 percent) suggests that a similar problem exists to that observed for males from this source, with a population of adoptees that is at high risk for developing alcoholism. Compared with an estimated prevalence of 10 percent for female alcoholism, the rate of alcoholism in adopted-away daughters of alcoholics still is significantly elevated.
