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Featured researches published by Erick G. Guerrero.


Evaluation and Program Planning | 2009

Need-service matching in substance abuse treatment: Racial/ethnic differences

Jeanne C. Marsh; Dingcai Cao; Erick G. Guerrero; Hee Choon Shin

This study examines the impact of ancillary health and social services matched to client needs in substance abuse treatment for African Americans, Latinos and Whites. The study uses data collected from 1992 to 1997 for the National Treatment Improvement Evaluation Study, a prospective cohort study of substance abuse treatment programs and their clients. The analytic sample consists of 3142 clients (1812 African Americans, 486 Latinos, 844 Whites) from 59 treatment facilities. Results show that racial/ethnic minorities are underserved compared to Whites in the substance abuse service system. Different racial/ethnic groups come into treatment with distinct needs and receive distinct services. Although groups respond differentially to service types, substance abuse counseling and matching services to needs is an effective strategy both for retaining clients in treatment and for reducing post-treatment substance use for African Americans and Whites. Receipt of access services was related to reduced post-treatment substance use for Latinos. Study findings are relevant to planning special services for African Americans and Latinos.


Drug and Alcohol Dependence | 2013

Enhancing access and retention in substance abuse treatment: The role of Medicaid payment acceptance and cultural competence

Erick G. Guerrero

BACKGROUND Health insurance coverage and quality of care are common factors believed to improve access for and retention of racial and ethnic minority groups in health care. However, there is little evidence that acceptance of public insurance and provision of culturally responsive care decrease wait time and retention of minority populations in community-based substance abuse treatment. METHODS We analyzed client and program data collected in 2010-2011 from publicly funded treatment programs in Los Angeles County, CA. An analytical sample of 13,328 primarily African American and Latino clients nested within 104 treatment programs located in minority communities was analyzed using multilevel negative binomial regressions on count measures of days to initiate and days spent in treatment. RESULTS Programs that accepted public insurance (p<.001) and in which staff reported personal involvement (p<.01) and linkages and resources with minority communities (p<.001) were negatively associated with client wait time. Similarly, programs with culturally responsive policies and assessment and treatment practices (p<.05) were positively associated with retention in treatment, after controlling for individual and program characteristics. CONCLUSIONS These preliminary findings provide an evidentiary base for the role of community-based financial and cultural practices in improving accessibility and treatment adherence in a population at high risk of treatment dropout. Implications related to health care reform legislation, which seeks to expand public insurance and enhance culturally competent care, are discussed.


Substance Abuse Treatment Prevention and Policy | 2012

Do cultural and linguistic competence matter in Latinos’ completion of mandated substance abuse treatment?

Erick G. Guerrero; Michael D. Campos; Darren Urada; Joy Yang

BackgroundIncreasing evidence suggests that culturally and linguistically responsive programs may improve substance abuse treatment outcomes among Latinos. However, little is known about whether individual practices or culturally and linguistically responsive contexts support efforts by first-time Latino clients to successfully complete mandated treatment.MethodsWe analyzed client and program data from publicly funded treatment programs contracted through the criminal justice system in California. A sample of 5,150 first-time Latino clients nested within 48 treatment programs was analyzed using multilevel logistic regressions.ResultsOutpatient treatment, homelessness, and a high frequency of drug use at intake were associated with decreased odds of treatment completion among Latinos. Programs that routinely offered a culturally and linguistically responsive practice—namely, Spanish-language translation—were associated with increased odds of completion of mandated treatment.ConclusionsThese preliminary findings suggest that concrete practices such as offering Spanish translation improve treatment adherence within a population that is at high risk of treatment dropout.


American Journal of Public Health | 2014

Organizational Capacity for Service Integration in Community-Based Addiction Health Services

Erick G. Guerrero; Gregory A. Aarons; Lawrence A. Palinkas

OBJECTIVES We examined factors associated with readiness to coordinate mental health, public health, and HIV testing among community-based addiction health services programs. METHODS We analyzed client and program data collected in 2011 from publicly funded addiction health services treatment programs in Los Angeles County, California. We analyzed a sample of 14 379 clients nested in 104 programs by using logistic regressions examining odds of service coordination with mental health and public health providers. We conducted a separate analysis to examine the percentage of clients receiving HIV testing in each program. RESULTS Motivational readiness and organizational climate for change were associated with higher odds of coordination with mental health and public health services. Programs with professional accreditation had higher odds of coordinating with mental health services, whereas programs receiving public funding and methadone and residential programs (compared with outpatient) had a higher percentage of clients receiving coordinated HIV testing. CONCLUSIONS These findings provide an evidentiary base for the role of motivational readiness, organizational climate, and external regulation and funding in improving the capacity of addiction health services programs to develop integrated care.


Addictive Behaviors | 2012

Disparities in completion of substance abuse treatment among Latino subgroups in Los Angeles County, CA.

Erick G. Guerrero; Alice Cepeda; Lei Duan; Tina Kim

RATIONALE A growing body of research has revealed disparities with respect to drug use patterns within Latino subgroups. However, the extent to which these potential disparities enable different Latino subgroups to respond favorably to treatment is unclear. METHODS This study analyzed a subset of multicross-sectional data (2006-2009) on Latinos collected from publicly funded facilities in Los Angeles County, CA (N=12,871). We used multilevel logistic regressions to examine individual and service-level factors associated with treatment completion among subgroups of first-time Latino treatment clients. RESULTS Univariate analysis showed that Cubans and Puerto Ricans were less likely to complete treatment than Mexicans and other Latinos. Cubans and Puerto Ricans entered treatment at an older age and with higher formal education than Mexicans, yet they were more likely to report mental health issues and use of cocaine and heroin as primary drugs of choice respectively. Multivariate analysis showed that age, having mental health issues, reporting high use of drugs at intake, and use of methamphetamines and marijuana were associated with decreased odds of completing treatment among all Latino subgroups. In contrast, age at first drug use, treatment duration, and referral monitoring by the criminal system increased the odds of completing treatment for all members. CONCLUSION These findings have implications for targeting interventions for members of different Latinos groups during their first treatment episode. Promising individual and service factors associated with treatment completion can inform the design of culturally specific recovery models that can be evaluated in small-scale randomized pilot studies.


Journal of Substance Abuse Treatment | 2014

Gender disparities in utilization and outcome of comprehensive substance abuse treatment among racial/ethnic groups.

Erick G. Guerrero; Jeanne C. Marsh; Dingcai Cao; Hee Choon Shin; Christina M. Andrews

This study examined gender differences within Black, Latino, and White subgroups in the utilization of comprehensive services and their relation to posttreatment substance use. Survey data were collected during the National Treatment Improvement Evaluation Study (NTIES), a prospective, longitudinal, multisite study of substance abuse treatment programs and their clients in the United States. The analytic sample consisted of 1,812 blacks (734 women and 1,078 men), 486 Latinos (147 women and 339 men), and 844 whites (147 women and 339 men) from 59 service delivery organizations. Results related to service utilization indicated that compared to men, women in all racial and ethnic groups needed and received more services targeted to their needs and reported more positive relations with service providers. Gender was a significant moderator of the relationship between service receipt and treatment outcomes for all racial and ethnic groups, but especially for the Latino subsample. Findings point to the need to consider race-specific gender differences in the development of culturally competent, comprehensive substance abuse treatment.


Substance Abuse Treatment Prevention and Policy | 2013

Racial/ethnic minority and low-income hotspots and their geographic proximity to integrated care providers.

Erick G. Guerrero; Dennis Kao

BackgroundThe high prevalence of mental health issues among clients attending substance abuse treatment (SAT) has pressured treatment providers to develop integrated substance abuse and mental health care. However, access to integrated care is limited to certain communities. Racial and ethnic minority and low-income communities may not have access to needed integrated care in large urban areas. Because the main principle of health care reform is to expand health insurance to low-income individuals to improve access to care and reduce health disparities among minorities, it is necessary to understand the extent to which integrated care is geographically accessible in minority and low-income communities.MethodsNational Survey of Substance Abuse Treatment Services data from 2010 were used to examine geographic availability of facilities offering integration of mental health services in SAT programs in Los Angeles County, California. Using geographic information systems (GIS), service areas were constructed for each facility (N = 402 facilities; 104 offering integrated services) representing the surrounding area within a 10-minute drive. Spatial autocorrelation analyses were used to derive hot spots (or clusters) of census tracts with high concentrations of African American, Asian, Latino, and low-income households. Access to integrated care was reflected by the hot spot coverage of each facility, i.e., the proportion of its service area that overlapped with each type of hot spot.ResultsGIS analysis suggested that ethnic and low-income communities have limited access to facilities offering integrated care; only one fourth of SAT providers offered integrated care. Regression analysis showed facilities whose service areas overlapped more with Latino hot spots were less likely to offer integrated care, as well as a potential interaction effect between Latino and high-poverty hot spots.ConclusionDespite significant pressure to enhance access to integrated services, ethnic and racial minority communities are disadvantaged in terms of proximity to this type of care. These findings can inform health care policy to increase geographic access to integrated care for the increasing number of clients with public health insurance.


Administration and Policy in Mental Health | 2014

Organizational implementation of evidence-based substance abuse treatment in racial and ethnic minority communities.

Erick G. Guerrero; Amy S. He; Ahraemi Kim; Gregory A. Aarons

We evaluated organizational factors associated with the implementation of contingency management treatment (CMT) and medication-assisted treatment (MAT) in substance abuse treatment (SAT) programs serving racial and ethnic minority communities. Analysis of cross-sectional data collected in 2010–2011 from a random sample of 148 publicly funded SAT programs showed that accepting private insurance was positively associated with CMT and MAT implementation, whereas larger programs were associated with greater implementation of MAT. Supervisorial openness to and expectations about implementing evidence-based practices (EBPs) and attributes for change were strongly associated with CMT, whereas the interactions between openness to EBPs and programs that accept private insurance and that are governed by parent organizations were positively associated with MAT. These external expectations and managerial attitudes supported the implementation of psychosocial and pharmacotherapy treatments in SAT. Implications for improving standards of care in minority communities are discussed.


Evaluation and Program Planning | 2013

Organizational structure, leadership and readiness for change and the implementation of organizational cultural competence in addiction health services.

Erick G. Guerrero; Ahraemi Kim

Increasing representation of racial and ethnic minorities in the health care system and on-going concerns about existing health disparities have pressured addiction health services programs to enhance their cultural competence. This study examines the extent to which organizational factors, such as structure, leadership and readiness for change contribute to the implementation of community, policy and staffing domains representing organizational cultural competence. Analysis of a randomly selected sample of 122 organizations located in primarily Latino and African American communities showed that programs with public funding and Medicaid reimbursement were positively associated with implementing policies and procedures, while leadership was associated with staff having greater knowledge of minority communities and developing a diverse workforce. Moreover, program climate was positively associated with staff knowledge of communities and having supportive policies and procedures, while programs with graduate staff and parent organizations were negatively associated with knowledge of and involvement in these communities. By investing in funding, leadership skills and a strategic climate, addiction health services programs may develop greater understanding and responsiveness of the service needs of minority communities. Implications for future research and program planning in an era of health care reform in the United States are discussed.


International Journal of Drug Policy | 2011

Adoption and utilization of sexually transmitted infections testing in outpatient substance abuse treatment facilities serving high risk populations in the U.S.

Erick G. Guerrero; Julie A. Cederbaum

BACKGROUND Although adoption and utilization of sexually transmitted infection (STI) testing is a cost effective public health intervention, it is inconsistently offered or referred out for by outpatient substance abuse treatment (OSAT) programs where at-risk racial/ethnic and sexual minorities receive services. METHODS We explored the organizational adoption and client utilization of STI testing using a nationally representative sample of OSAT facilities in the U.S. in 2005 (N=566). Data missing at random was imputed and the resulting database was analysed using multivariate Tobit and logistic regressions. RESULTS The analyses suggest that private non-profit facilities, which are the largest providers of OSAT treatment are less likely than public facilities to offer STI testing or to report adequate client utilization rates. Higher utilization was instead associated with professionally accredited facilities, and with facilities whose majority of clients were Latino/a, reported a history of treatment, stayed in treatment longer, or received case management. CONCLUSION While OSAT facilities are poised to be primary intervention points for diagnosis and treatment of STIs, only a segment of these facilities provide this preventive practice or manage to refer clients out. As such, U.S. health care policy should ensure the adoption and comprehensive utilization, particularly among high risk clients, of this cost-effective prevention strategy in OSAT admission protocols.

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Yinfei Kong

University of Southern California

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William A. Vega

University of Southern California

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Karissa Fenwick

University of Southern California

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Christina M. Andrews

University of South Carolina

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Lawrence A. Palinkas

University of Southern California

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Howard Padwa

University of California

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