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Practice variation and length of stay in alcohol and drug detoxification centers.

Jonkman JN, McCarty D, Harwood HJ, Normand SL, Caspi Y

Department of Mathematics and Statistics, Mississippi State University, Mississippi State, MS 39762, USA.

Admissions to 20 publicly funded alcohol and drug detoxification centers in Massachusetts were examined to identify program and patient variables that influenced length of stay. The last admission during fiscal year 1996 was abstracted for patients 18 years of age and older seeking alcohol, cocaine, or heroin detoxification (n=21,311; 29% women). A hierarchical generalized linear model examined the effects of patient and program characteristics on variation in length of stay and tested case-mix adjustments. Program size had the most influence on mean adjusted length of stay; stays were more than 40% longer in detoxification centers with 35 or more beds (7.69 days) than in centers with less than 35 beds (5.42 days). The study highlights the contribution of program size to treatment processes and suggests the need for more attention to program attributes in studies of patient outcomes and treatment processes.

Published 22 February 2005 in J Subst Abuse Treat, 28(1): 11-8.
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