AbstractA study was undertaken to examine claims that unsuitable individuals were being admitted into private methadone maintenance programs in New South Wales in late 1985, early 1986. A comparison was made of interview data collected by an independent team of researchers from 457 private and 91 public patients. Exhaustive attempts were made to identify individuals who failed current official admission criteria. While there were statistically and clinically significant differences between private and public methadone patients, there was no evidence that unsuitable individuals were being admitted into maintenance. The data and a review of the literature suggest that the rapid expansion of private sector methadone programs allowed suitable individuals more immediate and more equitable access to maintenance treatment.