Research Topics
| M L DennisSummaryAffiliation: Chestnut Health Systems Country: USA Publications
Research Grants
| Collaborators
|
Detail Information
Publications
Four-year outcomes from the Early Re-Intervention (ERI) experiment using Recovery Management Checkups (RMCs)Michael L Dennis
Chestnut Health Systems, 448 Wylie Drive, Normal, IL 61761, USA
Drug Alcohol Depend 121:10-7. 2012..This paper evaluates the efficacy of quarterly Recovery Management Checkups (RMCs) on treatment reentry and long-term substance use in the context of chronic substance use disorders...
The Reinforcing Therapist Performance (RTP) experiment: Study protocol for a cluster randomized trialBryan R Garner
Lighthouse Institute, Chestnut Health Systems, Normal, IL, USA
Implement Sci 5:5. 2010..TRIAL REGISTRATION: Trial Registration Number: NCT01016704...
An eight-year perspective on the relationship between the duration of abstinence and other aspects of recoveryMichael L Dennis
Chestnut Health Systems, Chicago and Bloomington, Illinois, USA
Eval Rev 31:585-612. 2007..The findings demonstrate the rich patterns of change associated with the course of long-term recovery...
Development and validation of the GAIN Short Screener (GSS) for internalizing, externalizing and substance use disorders and crime/violence problems among adolescents and adultsMichael L Dennis
Chestnut Health Systems, Bloomington, IL 61701, USA
Am J Addict 15:80-91. 2006..The GSS has good potential as an efficient screener for identifying people with co-occurring disorders across multiple systems and routing them to the right services and more detailed assessments...
Managing addiction as a chronic conditionMichael Dennis
Chestnut Health Systems, Bloomington, Illinois, USA
Addict Sci Clin Pract 4:45-55. 2007..We also address the importance of adjusting treatment funding and organizational structures to better meet the needs of individuals with a chronic disease...
The duration and correlates of addiction and treatment careersMichael L Dennis
Chestnut Health Systems, Bloomington, IL 61701, USA
J Subst Abuse Treat 28:S51-62. 2005....
Twenty-five strategies for improving the design, implementation and analysis of health services research related to alcohol and other drug abuse treatmentM L Dennis
Chestnut Health Systems, 720 West Chestnut, Bloomington, IL 61701, USA
Addiction 95:S281-308. 2000..Improving the state of the art of health services research and bridging the gap between research and practice do not depend upon using the most advanced methods, but rather upon using the most appropriate methods...
The Cannabis Youth Treatment (CYT) Study: main findings from two randomized trialsMichael Dennis
Chestnut Health Systems, Bloomington, IL 61701, USA
J Subst Abuse Treat 27:197-213. 2004....
Cross-validation of the alcohol and cannabis use measures in the Global Appraisal of Individual Needs (GAIN) and Timeline Followback (TLFB; Form 90) among adolescents in substance abuse treatmentMichael L Dennis
Chestnut Health Systems, Bloomington, IL 61701, USA
Addiction 99:120-8. 2004..To examine the comparability, reliability and predictive validity of two instruments used to assess alcohol use and dependence: the Global Appraisal of Individual Needs (GAIN) and the Form 90 Timeline Followback (TLFB) method...
The Cannabis Youth Treatment (CYT) experiment: rationale, study design and analysis plansMichael Dennis
Chestnut Health Systems CHS, Bloomington, Chicago, and Madison, IL 61701, USA
Addiction 97:16-34. 2002..This paper provides a description of the rationale, study design, treatments and assessment procedures used in the Cannabis Youth Treatment (CYT) experiment...
The economic costs of quarterly monitoring and recovery management checkups for adults with chronic substance use disordersMichael L Dennis
Chestnut Health Systems, Normal, IL 61761, USA
J Subst Abuse Treat 41:201-7. 2011..The increased costs of RMC are modest relative to the substantial societal costs of chronic substance users returning to regular use, crime, and other risk behaviors...
The Strengthening Communities for Youth (SCY) initiative: a cluster analysis of the services received, their correlates and how they are associated with outcomesMichael L Dennis
Chestnut Health Systems, Bloomington, IL 61701, USA
J Psychoactive Drugs 40:3-16. 2008..The exception was for cluster 1, for whom emotional problems actually increased. Implications for placement, treatment planning and future research are discussed...
Maltreatment issues and outcomes of adolescents enrolled in substance abuse treatmentMichael L Dennis
Chestnut Health Systems, Bloomington, IL 61701, USA
Child Maltreat 8:3-6. 2003..This introduction provides an overview of the articles and then highlights some of the key implications of this collective body of work for practice, policy, and future research...
Changing the focus: the case for recognizing and treating cannabis use disordersMichael Dennis
Chestnut Health Systems CHS, West Chestnut, Bloomington, IL 61701, USA
Addiction 97:4-15. 2002..Moreover, the costs to society are continuing to mount from past neglect of this continuing public health problem. This paper provides background on the need to develop effective models for treating cannabis use disorders...
Screening for atypical suicide risk with person fit statistics among people presenting to alcohol and other drug treatmentKendon J Conrad
University of Illinois at Chicago, School of Public Health, 1603 West Taylor Street, Chicago, IL 60612 4310, USA
Drug Alcohol Depend 106:92-100. 2010..Symptoms of internalizing disorders (depression, anxiety, somatic, trauma) are the major risk factors for suicide. Atypical suicide risk is characterized by people with few or no symptoms of internalizing disorders...
Utilization of mental health services among adolescents in community-based substance abuse outpatient clinicsYa Fen Chan
Chestnut Health Systems, 720 West Chestnut, Bloomington, IL 61701, USA
J Behav Health Serv Res 36:35-51. 2009..Predictors of service utilization varied by gender and racial/ethnic status. Implications for integrated substance use and mental health services are discussed...
Development and validation of short versions of the internal mental distress and behavior complexity scales in the Global Appraisal of Individual Needs (GAIN)Janet C Titus
Chestnut Health Systems, Lighthouse Institute, 720 W Chestnut St, Bloomington, IL 61701, USA
J Behav Health Serv Res 35:195-214. 2008..Parallel tests of construct validity show no substantial loss when moving from the longer to shorter versions. The short scales maintain good sensitivity and specificity for predicting diagnostic impressions...
Adolescent outpatient treatment and continuing care: main findings from a randomized clinical trialSusan H Godley
Chestnut Health Systems, Lighthouse Institute, 448 Wylie Drive, Normal, IL 61761, USA
Drug Alcohol Depend 110:44-54. 2010..Analysis of the costs of each intervention combined with its outcomes revealed that the most cost-effective condition was MET/CBT7 without ACC...
HIV risk behaviors: risky sexual activities and needle use among adolescents in substance abuse treatmentYa Fen Chan
Lighthouse Institute, Chestnut Health Systems, 448 Wylie Drive, Normal, IL 61761, USA
AIDS Behav 15:114-24. 2011..Findings suggest treatment programs may benefit adolescents better by screening them consistently for HIV risk behaviors and incorporating tailored interventions...
Exposure to Adolescent Community Reinforcement Approach treatment procedures as a mediator of the relationship between adolescent substance abuse treatment retention and outcomeBryan R Garner
Chestnut Health Systems, Bloomington, IL 61701, USA
J Subst Abuse Treat 36:252-64. 2009..The current findings are useful, as little research to date has identified significant mediators of the relationship between retention and treatment outcomes or identified target thresholds of treatment exposure...
Results from two randomized clinical trials evaluating the impact of quarterly recovery management checkups with adult chronic substance usersChristy K Scott
Chestnut Health Systems, 221 West Walton, Chicago, IL 60610, USA
Addiction 104:959-71. 2009..These two experiments tested the effectiveness of recovery management checkup (RMC) protocols for adult chronic substance users...
Surviving drug addiction: the effect of treatment and abstinence on mortalityChristy K Scott
Lighthouse Institute, Chestnut Health Systems, Chicago, IL, USA
Am J Public Health 101:737-44. 2011..We also estimated overall mortality rates and the extent to which they varied according to demographic, clinical severity, and treatment variables...
Thirty-month relapse trajectory cluster groups among adolescents discharged from out-patient treatmentSusan H Godley
Chestnut Health Systems, Bloomington, IL 61701, USA
Addiction 99:129-39. 2004..To identify adolescent relapse trajectory groups following discharge from out-patient substance abuse treatment...
Prevalence and comorbidity of major internalizing and externalizing problems among adolescents and adults presenting to substance abuse treatmentYa Fen Chan
Chestnut Health Systems, Bloomington, IL 61701, USA
J Subst Abuse Treat 34:14-24. 2008..9 to 8.8). The prevalence and patterns of co-occurring mental health problems, however, varied by age. Young adults (ages 18-25) were found to be most vulnerable to co-occurring problems...
The effect of assertive continuing care on continuing care linkage, adherence and abstinence following residential treatment for adolescents with substance use disordersMark D Godley
Chestnut Health Systems, Bloomington, IL 61701, USA
Addiction 102:81-93. 2007..Outcome analyses tested the direct and indirect effects of both conditions and level of adherence on early (months 1-3) and longer-term (months 4-9) abstinence...
Preliminary outcomes from the assertive continuing care experiment for adolescents discharged from residential treatmentMark D Godley
Chestnut Health Systems, 720 W Chestnut Street, Bloomington, IL 61701, USA
J Subst Abuse Treat 23:21-32. 2002..Preliminary findings demonstrate an ACC approach designed for adolescents can increase linkage and retention in continuing care and improve short-term substance use outcomes...
Utilizing Recovery Management Checkups to shorten the cycle of relapse, treatment reentry, and recoveryChristy K Scott
Chestnut Health Systems, Inc, Lighthouse Institute, 712 N Wells, Suite 300, Chicago, IL 60610, USA
Drug Alcohol Depend 78:325-38. 2005..The methods in this study also provide a simple but replicable method for learning more about the multiple pathways that individuals travel along before achieving a prolonged state of recovery...
Pathways in the relapse--treatment--recovery cycle over 3 yearsChristy K Scott
Lighthouse Institute, Chestnut Health Systems, Chicago, IL 60610, USA
J Subst Abuse Treat 28:S63-72. 2005..While exploratory and observational, several of the predictors are time-dependent and identify promising targets for interventions designed to shorten the cycle and increase the long-term effectiveness of treatment...
The stability and impact of environmental factors on substance use and problems after adolescent outpatient treatment for cannabis abuse or dependenceMark D Godley
Chestnut Health Systems, Bloomington, IL 61701, USA
Psychol Addict Behav 19:62-70. 2005..These results support the idea of targeting environmental factors during continuing care as a way to improve treatment outcomes for adolescents with cannabis disorders...
Gender differences in victimization severity and outcomes among adolescents treated for substance abuseJanet C Titus
Chestnut Health Systems, Bloomington, IL 61701, USA
Child Maltreat 8:19-35. 2003..When used as grouping variables, gender and severity of victimization significantly interacted with measures of intake status and were significant predictors of 3-month postdischarge treatment outcomes...
Maximizing follow-up in longitudinal studies of traumatized populationsChristy K Scott
Chestnut Health Systems, Chicago and Bloomington, IL 60610, USA
J Trauma Stress 19:757-69. 2006..The effectiveness of the model is examined with reference to traumatic stress in a large community sample (N = 887) with eight waves of data over 2 years...
The impact of continuing care adherence on environmental risks, substance use, and substance-related problems following adolescent residential treatmentBryan R Garner
Chestnut Health Systems, Bloomongton, Illinois 61701, USA
Psychol Addict Behav 21:488-97. 2007....
Validation of the Crime and Violence Scale (CVS) against the Rasch measurement model including differences by gender, race, and ageKendon J Conrad
University of Illinois at Chicago, School of Public Health, 1603 West Taylor Street, Chicago, IL 60612, USA
Eval Rev 34:83-115. 2010..Differential item functioning (DIF) analysis revealed that crime seriousness varies by age and gender. IRT shows promise in assessing and adjusting for demographic variations in crime seriousness...
Introduction to special issue on advances in the assessment and treatment of adolescent substance use disordersMichael L Dennis
Chestnut Health Systems, Bloomington, Illinois
Am J Addict 15:1-3. 2006
Relative precision, efficiency and construct validity of different starting and stopping rules for a computerized adaptive test: the GAIN substance problem scaleBarth B Riley
Department of Disability and Human Development, M C 626, University of Illinois at Chicago, 1640 W Roosevelt Rd, Chicago, IL 60608, USA
J Appl Meas 8:48-64. 2007..clinical classification using correlations with five theoretically associated instruments. Results supported both CAT efficiency and validity...
Substance use disorder symptoms: evidence of differential item functioning by ageKendon J Conrad
School of Public Health, University of Illinois at Chicago, Chicago, IL 60612, USA
J Appl Meas 8:373-87. 2007..These findings have theoretical implications for screening and treatment of adolescents vs. adults. SPS can be used across age groups though age-specific calibrations enable greater precision of measurement...
Absence of iatrogenic or contagion effects in adolescent group therapy: findings from the Cannabis Youth Treatment (CYT) studyJoseph A Burleson
Department of Community Medicine and Health Care, University of Connecticut Health Center, Farmington, CT 06030 6325, USA
Am J Addict 15:4-15. 2006..These results support the common clinical belief that group therapy for youths with substance use disorders is a safe and effective treatment modality...
Characteristics and problems of 600 adolescent cannabis abusers in outpatient treatmentFrank M Tims
University of South Florida, USA
Addiction 97:46-57. 2002..Characteristics related to severity, such as demographic and family factors, peer influences, psychiatric co-morbidity and HIV risk behaviors, are examined for a sample of adolescent cannabis users entering treatment...
The construct and predictive validity of different approaches to combining urine and self-reported drug use measures among older adolescents after substance abuse treatmentRichard Lennox
Psychometric Technologies, Hillsborough, NC 27278, USA
Am J Addict 15:92-101. 2006..Days of use, the GAIN's substance frequency scale, and a latent model were the three best methods in terms of construct and predictive validity. Implications for treatment and longitudinal evaluation will be discussed...
Outpatient marijuana treatment for adolescents. Economic evaluation of a multisite field experimentMichael T French
University of Miami
Eval Rev 27:421-59. 2003..These results suggest that some types of substance-abuse intervention for adolescents can reduce social costs immediately after treatment...
Early therapeutic alliance as a predictor of treatment outcome for adolescent cannabis users in outpatient treatmentGuy S Diamond
Center for Family Intervention Science, Children s Hospital of Philadelphia, PA 19104, USA
Am J Addict 15:26-33. 2006..Neither patient nor therapist alliance ratings were associated with attendance. The findings support the important and often overlooked role that alliance can play in treating substance abusing, often delinquent, adolescents...
The economic cost of outpatient marijuana treatment for adolescents: findings from a multi-site field experimentMichael T French
Department of Health Administration and Policy, Medical University of South Carolina, Charleston, SC 29425, USA
Addiction 97:84-97. 2002..The present study conducted an economic cost analysis of several outpatient adolescent treatment approaches...
Out of touch or on the money: Do the clinical objectives of addiction treatment coincide with economic evaluation results?Clara E Dismuke
Department of Health Administration and Policy, Medical University of South Carolina, Charleston, SC, USA
J Subst Abuse Treat 27:253-63. 2004..1 to 0.3) and often became non-significant once we controlled for baseline severity. The results demonstrate that although some associations exist, outcomes should be evaluated along both clinical and economic dimensions...
The interaction of co-occurring mental disorders and recovery management checkups on substance abuse treatment participation and recoveryBrian R Rush
Center for Addiction and Mental Health, Toronto, Canada
Eval Rev 32:7-38. 2008..It is effective in linking participants in need to treatment, with equal or better outcomes among those with more mental disorders. The data support the utility of monitoring and re-intervention for clients with co-occurring disorders...
Combining psychometric and biometric measures of substance useRichard Lennox
Psychometric Technologies, 2404 Western Park Lane, Hillsborough, NC 27278, USA
Drug Alcohol Depend 83:95-103. 2006..While the research was limited in some ways, it has important implications for the ongoing debate about the proper way to combine biometric and psychometric data...
Gender similarities and differences in the treatment, relapse, and recovery cycleChristine E Grella
UCLA Integrated Substance Abuse Programs, Los Angeles, CA 90025, USA
Eval Rev 32:113-37. 2008..Women are one third less likely to transition from recovery to using; the predictors of transitioning to different statuses vary by gender. The implications of gender as a moderator of the recovery process are discussed...
Research Grants
- DOMS EARLY REINTERVENTION (ERI) EXPERIMENTMichael Dennis; Fiscal Year: 2002..abstract_text> ..
- Early Re-intervention Experiment2(ER12)Michael Dennis; Fiscal Year: 2007..abstract_text> ..
