Effects of receiving additional off-site services on abstinence from illicit drug use among men on methadone: A longitudinal study
AbstractHealth and psychosocial service needs that may be co-morbid with opioid addiction may impede the success of drug treatment among patients attending methadone maintenance treatment programs (MMTPs). This longitudinal panel study investigates whether receipt of services from one or more helping professionals outside of the MMTP confers a benefit for drug treatment outcomes among a random sample of male MMTP patients (NÂ =Â 356). Each participant was interviewed 3 times, with 6 months between each interview. Since this observational study did not employ random assignment, propensity score matching was employed to strengthen causal validity of effect estimates. Results support hypotheses that receiving additional off-site services has significant beneficial effects in increasing the likelihood of abstaining from cocaine, heroin, and any illicit drug use over both the ensuing 6- and 12-month time periods. These findings indicate that receipt of additional medical and/or psychosocial services enhances the efficacy of methadone treatment in increasing abstinence from illicit drug use.
Download InfoIf you experience problems downloading a file, check if you have the proper application to view it first. In case of further problems read the IDEAS help page. Note that these files are not on the IDEAS site. Please be patient as the files may be large.
Bibliographic InfoArticle provided by Elsevier in its journal Evaluation and Program Planning.
Volume (Year): 33 (2010)
Issue (Month): 4 (November)
Contact details of provider:
Web page: http://www.elsevier.com/locate/evalprogplan
Methadone Health services Drug abstinence Opioid-related disorders;
Please report citation or reference errors to , or , if you are the registered author of the cited work, log in to your RePEc Author Service profile, click on "citations" and make appropriate adjustments.:
- repec:fth:coluec:9899-01 is not listed on IDEAS
- Rajeev H. Dehejia & Sadek Wahba, 2002.
"Propensity score matching methods for non-experimental causal studies,"
0102-14, Columbia University, Department of Economics.
- Rajeev H. Dehejia & Sadek Wahba, 2002. "Propensity Score-Matching Methods For Nonexperimental Causal Studies," The Review of Economics and Statistics, MIT Press, vol. 84(1), pages 151-161, February.
- Rajeev H. Dehejia & Sadek Wahba, 1998. "Propensity Score Matching Methods for Non-experimental Causal Studies," NBER Working Papers 6829, National Bureau of Economic Research, Inc.
- Dehejia, R.H. & Wahba, S., 1998. "Propensity Score Matching Methods for Non-Experimental Causal Studies," Discussion Papers 1998_02, Columbia University, Department of Economics.
- Weichselbaumer, Doris & Winter-Ebmer, Rudolf, 2003.
"A Meta-Analysis of the International Gender Wage Gap,"
CEPR Discussion Papers
4127, C.E.P.R. Discussion Papers.
- Doris Weichselbaumer & Rudolf Winter-Ebmer, 2005. "A Meta-Analysis of the International Gender Wage Gap," Journal of Economic Surveys, Wiley Blackwell, vol. 19(3), pages 479-511, 07.
- Weichselbaumer, Doris & Winter-Ebmer, Rudolf, 2003. "A Meta-Analysis of the International Gender Wage Gap," IZA Discussion Papers 906, Institute for the Study of Labor (IZA).
- Doris Weichselbaumer & Rudolf Winter-Ebmer, 2003. "A meta-analysis of the international gender wage gap," Economics working papers 2003-11, Department of Economics, Johannes Kepler University Linz, Austria.
- Weichselbaumer, Doris & Winter-Ebmer, Rudolf, 2003. "A Meta-Analysis of the International Gender Wage Gap," Economics Series 143, Institute for Advanced Studies.
- Patrick Royston, 2004. "Multiple imputation of missing values," Stata Journal, StataCorp LP, vol. 4(3), pages 227-241, September.
For technical questions regarding this item, or to correct its authors, title, abstract, bibliographic or download information, contact: (Zhang, Lei).
If references are entirely missing, you can add them using this form.