A total of 103 (15%) of the remitted individuals were non-problem users at 1 year (not shown) (see Table 1). The highest percentage of participants for both abstainers and non-problem users had alcohol only or drug only dependence at baseline. More abstainers reported abstinence goals at intake (81%) compared to non-problem users (63%) (p < .0001). Fifty percent of abstainers and 33% of non-problem users were assigned to the day hospital treatment arm (p = .0011). Abstainers had longer stays in index treatment (mean = 88.8 days, SD = 121.1) than non-problem users (mean = 22.7 days, SD = 42.4) (p < .0001); they also had more 12-step meetings (mean = 38.2, SD = 50.1) than non-problem users (mean = 6.4, SD = 17.9; p < .0001). Income, education, ethnicity, employment status, health status, baseline measures of ASI severity in all seven domains, number of years of regular use of alcohol or other drugs, and number of readmissions did not differ significantly between abstainers and non-problem users by status at 1 year.
