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Management systems, patient quality improvement, resource availability, and substance abuse treatment quality.

OBJECTIVE
To examine the relationships among general management systems, patient-focused quality management/continuous process improvement (TQM/CPI) processes, resource availability, and multiple dimensions of substance use disorder (SUD) treatment.


DATA SOURCES/STUDY SETTING
Data are from a nationally representative sample of 221 SUD treatment centers through the National Treatment Center Study (NTCS).


STUDY DESIGN
The design was a cross-sectional field study using latent variable structural equation models. The key variables are management practices, TQM/continuous quality improvement (CQI) practices, resource availability, and treatment center performance.


DATA COLLECTION
Interviews and questionnaires provided data from treatment center administrative directors and clinical directors in 2007-2008.


PRINCIPAL FINDINGS
Patient-focused TQM/CQI practices fully mediated the relationship between internal management practices and performance. The effects of TQM/CQI on performance are significantly larger for treatment centers with higher levels of staff per patient.


CONCLUSIONS
Internal management practices may create a setting that supports implementation of specific patient-focused practices and protocols inherent to TQM/CQI processes. However, the positive effects of internal management practices on treatment center performance occur through use of specific patient-focused TQM/CPI practices and have more impact when greater amounts of supporting resources are present.