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. Author manuscript; available in PMC: 2010 Oct 1.
Published in final edited form as: Drug Alcohol Depend. 2009 Jul 1;104(3):241–248. doi: 10.1016/j.drugalcdep.2009.05.014

Table 4. Sensitivity Analysis of the Opportunity Cost of Client Time in Treatment Using Different Valuations of Employment and Leisure time.

Treatment Modality Primary analysisa SA1b SA2c
Outpatient Non-Methadone 571 (654) 447 (605) 875 (894)
Outpatient Methadone 1,853 (1,432) 1,093 (1,165) 2,635 (3,258)
Intensive Outpatient 771 (1,306) 416 (497) 747 (881)
Inpatient Treatment 10,695 (9,757) 7,699 (7,104) 16,805 (15,490)

Notes: Standard deviations in parentheses. All cost estimates are in 2005 dollars.

a

Represents the total opportunity cost of the average client’s time in treatment (travel time, time missed from work, and time spent at the program) valued at the last reported hourly wage or the federal minimum wage for those with no previous work experience. Also reported in Table 2.

b

Sensitivity analysis 1 (SA1) changed the reported hourly rate of pay to the minimum wage ($5.15) for all clients that had not been employed in the previous year.

c

Sensitivity analysis 2 (SA2) changed the reported hourly rate of pay to the average hourly earnings for specific occupations reported by clients, obtained from the Bureau of Labor Statistics National Compensation Survey (2005).