Table 1.

Description of measures of the quality of chronic disease management (CDM)care for alcohol and other drug (AOD) dependence

	Definition	Analytic sample	Exposure categories
Engagementa	At least 2 visits to the CDM clinic within 30 days of initiation of care (initiation=2 visits within 14 days of study enrollment)	Subjects with any follow-up data (n=553)b	Engagement No engagement No access to theCDM clinic
PACIC-CDM clinicC	Measure of the degree that care delivered by the CDM clinic is aligned with core components of the chronic care model C	Subjects assigned access to the CDM clinic with 12-month follow-up data (n=249) d	PACIC-CDM clinic summary score (tertiles)
PACIC-anye	Measure of the degree that care for addictions delivered by any healthcare provideris aligned with core components of the chronic care model	Subjects who received any care for addictions from anyhealthcare provider since study enrollment with 12- month follow-up data (n=451) f	PACIC summary score (tertiles)

^aBased upon the Washington Circle measure of treatment engagement

^bAlcohol and drug addiction severity analyses limited to subjects with alcohol dependence (“alcohol subsample”) n=409 and drug dependence (“drug subsample”) n=458, respectively.

^CPatient Assessment of Chronic Illness Care (PACIC)

^dAlcohol subsample: n=184 and Drug subsample: n=208

^eAny care for alcohol or other drug problems includes counseling, medication, groups or other treatments provided in any healthcare setting, such as detox, hospital, emergency room, or office by any healthcare provider, including doctors, nurses, social workers, or counselors.

^fAlcohol subsample: n=320 and Drug subsample: n=378