Examining attrition rates at one specialty addiction treatment provider in the United States: a case study using a retrospective chart review

Table 6 Average days between IRS & assessment and assessment & treatment

Authors & date	# of agencies	Sample size	Tx type	Stage of enrollment	Average # of days
Longhi et al., 1991[17]	Multiple	1567	Residential & Outpatient	IRS	21
McCarty et al., 2007*[48]	13	6016	Residential & Outpatient	IRS	5
Carr et al., 2008[41]	Multiple	577	Outpatient	IRS	4.4
Brucker & Stewart, 2011[49]	Multiple	6629	Outpatient	IRS	8.1
Brucker & Stewart, 2011[49]	Multiple	2457	Intensive Outpatient	IRS	7.9
Quanbeck et al., 2013[50]	192	NA	Residential & Outpatient	IRS	7.2
Weighted average # of days between IRS & assessment					8.0
Un-weighted average # of days between IRS & assessment					8.9
Hoffman et al., 2011[5]	15	4937	Residential & Outpatient	Assessment	8.3
Donovan et al., 2001[29]	Multiple	654	Residential	Assessment	24.2
			Outpatient	Assessment	9.9
Arfken et al., 2001[28]	Multiple	2026	Residential & Outpatient	Assessment	9.1
Claus & Kindleberger, 2002[30]	1	260	Residential & Outpatient	Assessment	4.2
Downey et al., 2003 – women only[47]	Multiple	206	Residential & Outpatient	Assessment	29
Downey et al., 2003 – men only[47]	Multiple	448	Residential & Outpatient	Assessment	16
Chawdhary et al., 2007[19]	1	883	Outpatient	Assessment	6.2
McCarty et al., 2007*[48]	13	6016	Residential & Outpatient	Assessment	10
Brucker & Stewart, 2011[49]	Multiple	6629	Outpatient	Assessment	4.9
Brucker & Stewart, 2011[49]	Multiple	2457	Intensive Outpatient	Assessment	3.9
Guerrero, 2013[51]	104	13,329	Residential & Outpatient	Assessment	3.4
Weighted average # of days between assessment & treatment enrollment					6.4
Un-weighted average # of days between assessment & treatment enrollment					10.8

NA = Not applicable, sudy did not track people, but rather tested the wait time after IRS by making calls to 192 agencies; *= baseline data before NIATx changes occurred.

ISSN: 1747-597X