The NTIES study examined the overall cost of treatment for a variety of treatment modalities as well as the way the CSAT grants were used. Treatment appears to be cost effective, particularly when compared to incarceration, which is often the alternative. Treatment costs ranged from a low of about $1,800 per client to a high of approximately $6,800 per client. While the cost of incarceration was not examined by NTIES, widely reported studies such as one reported by the American Correctional Association, gave an estimated 1994 cost of incarceration as $18,330 annually. Table 6 provides cost comparisons for a variety of types of treatment. It shows that: NTIES Table of Contents | Introduction | Conclusions | Appendix | NTIES Findings on: Drug and Alcohol Use | Changes in Criminal Behavior | Employment, Income, and Homelessness | Changes in Physical and Mental Health | Changes in Sexual Behavior | Variation in Treatment Outcomes | Costs of Treatment |