Data from young adult participants in the Prospective Study have also been used to construct a measure of social recovery capital that reflects the composition of an individual's social network with respect to their drinking habits and support for drinking or abstinence. 126 Social recovery capital influences the development of alcohol problems and recovery from them. While there are other measures of recovery capital, 127 , 128 , 129 none have been collected in samples that include the extensive genetic, physiological, and behavioral measures that are available in COGA data, making this measure valuable for its ability to examine recovery capital in conjunction with biological and psychological factors.