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Featured researches published by Alvin S. Mares.


Psychiatric Services | 2012

Does Housing Chronically Homeless Adults Lead to Social Integration

Jack Tsai; Alvin S. Mares; Robert A. Rosenheck

OBJECTIVE Supported housing programs have been successful in helping homeless adults obtain housing. This study examined whether improvements in social integration occur after clients obtain supported housing. METHODS Measures of social integration were examined for 550 chronically homeless adults with mental illness who participated in the 11-site Collaborative Initiative to Help End Chronic Homelessness. Social integration was conceptualized as a multidimensional construct of variables in six domains: housing, work, social support, community participation, civic activity, and religious faith. Changes in baseline measures related to the six domains and their interrelationships were examined at six and 12 months after entry into the supported housing program. RESULTS Chronically homeless adults showed substantial improvements in housing but remained socially isolated and showed limited improvement in other domains of social integration, which were only weakly correlated with one another. CONCLUSIONS More attention is needed to develop rehabilitation interventions in supported housing programs to improve social integration of chronically homeless adults. Because improvements in some domains of social integration were only weakly related, it may be necessary to intervene in multiple domains simultaneously.


Psychiatric Services | 2011

Does Active Substance Use at Housing Entry Impair Outcomes in Supported Housing for Chronically Homeless Persons

Ellen L. Edens; Alvin S. Mares; Jack Tsai; Robert A. Rosenheck

OBJECTIVE Recent clinical and policy trends have favored low-demand housing (provision of housing not contingent on alcohol and drug abstinence) in assisting chronically homeless people. This study compared housing, clinical, and service use outcomes of participants with high levels of substance use at time of housing entry and those who reported no substance use. METHODS Participants in the outcome evaluation of the 11-site Collaborative Initiative on Chronic Homelessness (N=756), who were housed within 12 months of program entry and received an assessment at time of housing and at least one follow-up (N=694, 92%), were classified as either high-frequency substance users (>15 days of using alcohol or >15 days of using marijuana or any other illicit drugs in the past 30 days; N=120, 16%) or abstainers (no days of use; N=290, 38%) on entry into supported community housing. An intermediate group reporting from one to 15 days of use (N=284, 38%) was excluded from the analysis. Mixed-model multivariate regression adjusted outcome findings for baseline group differences. RESULTS During a 24-month follow-up, the number of days housed increased dramatically for both groups, with no significant differences. High-frequency substance users maintained higher, though declining, rates of substance use throughout follow-up compared with abstainers. High-frequency users continued to have more frequent or more severe psychiatric symptoms than the abstainers. Total health costs declined for both groups over time. CONCLUSIONS Active-use substance users were successfully housed on the basis of a low-demand model. Compared with abstainers, users maintained the higher rates of substance use and poorer mental health outcomes that were observed at housing entry but without relative worsening.


Military Medicine | 2012

Do homeless veterans have the same needs and outcomes as non-veterans?

Jack Tsai; Alvin S. Mares; Robert A. Rosenheck

Although veterans have been found to be at increased risk for homelessness as compared to non-veterans, it is not clear whether those who are homeless have more severe health problems or poorer outcomes in community-based supported housing. This observational study compared 162 chronically homeless veterans to 388 non-veterans enrolled in a national-supported housing initiative over a 1-year period. Results showed that veterans tended to be older, were more likely to be in the Vietnam era age group, to be male, and were more likely to have completed high school than other chronically homeless adults. There were no differences between veterans and non-veterans on housing or clinical status at baseline or at follow-up, but both groups showed significant improvement over time. These findings suggest that the greater risk of homelessness among veterans does not translate into more severe problems or treatment outcomes. Supported housing programs are similarly effective for veterans and non-veterans.


Mental Health Services Research | 2004

Outcomes of Supported Housing for Homeless Veterans with Psychiatric and Substance Abuse Problems

Alvin S. Mares; Wesley J. Kasprow; Robert A. Rosenheck

This study examines the effect of previous participation in time limited residential treatment and other factors on treatment outcomes among homeless veterans with serious mental illness placed into permanent supported housing. The sample consisted of 655 veterans placed into supported housing at 18 sites through the VAs Healthcare for Homeless Veterans (HCHV) Supported Housing Program during the period 1993–2000. Data on client and program characteristics, and treatment outcomes, were documented by HCHV case managers staffing these programs. Data on use of VA services, including time limited residential treatment received 6 months prior to entry into supported housing, were extracted from VA administrative files. The relationship of prior residential treatment, as well as other measures of client characteristics, service use, and program characteristics, to outcomes were assessed using both bivariate and multivariate Cox proportional hazards regression and logistic regression. After adjusting for client characteristics, service use, and program characteristics, no differences in outcomes were found between clients who had received prior residential treatment and those placed directly into permanent supported housing. Prior residential treatment appears to have little effect on treatment outcomes among formerly homeless veterans placed into permanent supported housing programs providing indirect support for the direct placement supported housing model.


Womens Health Issues | 2011

Chronically Homeless Women Report High Rates of Substance Use Problems Equivalent to Chronically Homeless Men

Ellen L. Edens; Alvin S. Mares; Robert A. Rosenheck

INTRODUCTION The U.S. federal government recently committed itself to ending chronic homelessness within 5 years. Women constitute one out of four chronically homeless adults and represent a particularly vulnerable group, but have been little studied. To identify potentially unique needs in this group, we report characteristics and 2-year outcomes in a large sample of male and female chronically homeless adults participating in a multisite, supportive housing program. METHODS Men and women participating in the outcome evaluation of the 11-site Collaborative Initiative on Chronic Homelessness (n = 714) supportive housing program and who received at least one follow-up assessment were compared on baseline characteristics and up to 2-year follow-up outcomes. Mixed model multivariate regression adjusted outcome findings for baseline group differences. RESULTS Few significant baseline differences existed between males and females, with both sexes self-reporting very high rates of lifetime mental health (83% women, 74% men) and substance use (68% women, 73% men) problems. Throughout the 2-year follow-up, both men and women dramatically increased the number of days housed, showed minimal changes in substance use patterns, and had modest improvements in mental health outcomes, without significant differences between genders. CONCLUSION Unlike other U.S. populations, chronically homeless adults do not demonstrate substantial gender differences on mental health or addiction problems. Policy and service delivery must address these remarkably high rates of substance use and mental illness.


Community Mental Health Journal | 2002

Residential Environment and Quality of Life Among Seriously Mentally Ill Residents of Board and Care Homes

Alvin S. Mares; Alexander S. Young; James McGuire; Robert A. Rosenheck

This study examined the relationship between residential environment of seriously mentally ill patients living in board and care homes and quality of life. Participants included 162 seriously mentally ill veteran patients living in 26 board and care homes in Los Angeles. Data from structured interviews were used to assess subjective quality of life (satisfaction with living situation and general well-being) and objective quality of life (social functioning and daily activities). Independent variables examined in multivariate analyses included individual socio-demographic and clinical characteristics, objective characteristics of the home, and subjective resident assessments of social climate within the home. Adjusting for individual characteristics, social climate was significantly and positively associated with both satisfaction with current living situation and with general well-being. Interpersonal conflict was negatively associated with general well-being. Number of beds within the home and median income in the neighborhood were significantly associated (positively and negatively, respectively) with social functioning outside the home. Living environment characteristics explained between 3 and 9% of the total variation in three of four quality of life measures, and 27% of the variation in the fourth, satisfaction with living situation. Satisfaction with living situation among seriously mentally ill residents of board and care homes may be enhanced by making the social climate more positive, and reducing conflict within the home. Social functioning outside of the home may be enhanced by placing patients into a home with more beds, and/or a home located in a lower income neighborhood.


Journal of Nervous and Mental Disease | 2004

Perceived relationship between military service and homelessness among homeless veterans with mental illness.

Alvin S. Mares; Robert A. Rosenheck

This study examined the perceived relationship between military service and the risk of homelessness after discharge and identified specific aspects of military service that homeless veterans experience as having increased their risk for becoming homeless. A cross-sectional survey was conducted among 631 homeless veterans enrolled in the VA Therapeutic Employment Placement and Support Program from January 2001 through September 2003. Associations of sociodemographic characteristics, clinical status, and military service characteristics (independent variables) were examined in relation to perceptions of increased risk for homelessness and time to first episode of homelessness after leaving the military (two dependent variables), using analysis of variance, logistic regression, and multiple regression statistical analyses. Fewer than one third (31%) of the homeless veterans in this study reported that military service increased their risk for homelessness—either somewhat (18%) or very much (13%). Among those veterans who perceived military service as increasing their risk for becoming homeless, the three aspects of military service most commonly identified included a) substance abuse problems that began in the military (75%), b) inadequate preparation for civilian employment (68%), and c) loss of a structured lifestyle. The relatively small proportion of homeless veterans who attributed homelessness to their military service, coupled with the long 14-year average lag time between discharge and their first episode of homelessness, is consistent with epidemiological data suggesting that military service itself does not substantially increase the risk for becoming homeless among veterans.


Medical Care | 2000

Hoptel equalizes length of stay for homeless and domiciled inpatients.

James McGuire; Alvin S. Mares

Background.There is growing evidence that homeless individuals have longer inpatient lengths of stay with significantly higher medical costs than domiciled individuals. We compared adjusted mean lengths of stay among domiciled patients and homeless patients discharged to a hospital hotel (hoptel). Because the hoptel allowed homeless patients to be discharged when medically indicated, we hypothesized no significant differences in lengths of stay between the 2 groups after adjustment for severity of illness. Methods.Demographic, diagnosis, and length of stay data were obtained for all patients discharged from all inpatient wards at a large, urban Veterans Affairs Medical Center during the first 32 months of hoptel operation (1996 through 1998). Adjusted mean lengths of stay for domiciled patients and homeless patients discharged to the hoptel were compared. ANCOVA was used to adjust for demographic characteristics (age, income, race/ethnicity), diagnosis-related group (DRG), principal diagnosis, and substance abuse comorbidity. Three types of hospitalizations were analyzed on the basis of major DRG categories: general medical, psychiatric, and all hospitalizations. Results.No significant differences were found in adjusted mean lengths of stay between domiciled patients and homeless patients discharged to the hoptel. Homeless hoptel patients stayed an average 0.7, 0.3, and 0.4 days longer than domiciled patients for all, general medical, and psychiatric hospitalizations (P = 0.504, 0.627, and 0.839), respectively. Conclusions.These data suggest that hoptels may help equalize inpatient lengths of stay among domiciled and homeless patients discharged to a hoptel. Public health care systems seeking innovative ways of reducing inpatient lengths of stay among homeless patients ought to consider establishing hoptels.


American Journal of Psychiatric Rehabilitation | 2006

Attitudes Towards Employment and Employment Outcomes Among Homeless Veterans with Substance Abuse and/or Psychiatric Problems

Alvin S. Mares; Robert A. Rosenheck

This study examines the relationship between attitudes towards employment and employment outcomes among homeless veterans with psychiatric and substance abuse problems. Attitudes towards employment among over 300 homeless veterans participating in a study of vocational outcomes were characterized using factor analysis. Mixed linear regression was then used to examine the association between each of five employment attitudes and number of days employment throughout the two-year follow-up period, net of potentially confounding baseline characteristics. Veterans who worked more than others scored higher on a subscale reflecting favorable attitudes towards work and, unexpectedly, on a subscale indicating that they did not like the kind of jobs they could obtain. In contrast, veterans who scored higher on a subscale indicating that they perceived work as helpful in coping with mental health problems, worked more days than others. However, the magnitude of these effects was small, explaining only an additional 1% of the variation in employment outcomes observed (R-squared) beyond the 10–16% of variation accounted for by client demographic and clinical characteristics at program entry. Measured attitudes only weakly predicted employment outcomes, thus supporting the policy of offering vocational assistance to all who express interest in it.


Epilepsy Research | 2012

Gender differences in quality of life among Canadian adults with epilepsy.

John O. Elliott; Alvin S. Mares

The clinical literature suggests epilepsy may impact quality of life in males and females differently. Previous research on gender issues has focused primarily on biological-biomedical factors over psychological and social factors. In this study we compare subjective and objective quality of life in adult persons with epilepsy to persons without epilepsy by gender using the biopsychosocial model in the Canadian Community Health Survey (CCHS), a large epidemiological survey that covers 98% of the Canadian population. Logistic regression analyses were conducted using self-rated health status and the Health Utility Index(®) 3 (HUI3) as the outcomes. Quality of life was significantly moderated after controlling for the biological-biomedical variables in all analyses except the HUI3. Males with epilepsy were more likely to have HUI3 scores of 0.70 or greater than males without epilepsy (OR = 1.61, 95%CI 1.32-1.96). For males with epilepsy the HUI3 was further moderated, but remained significantly better in the final model that controlled for biological, psychological and social factors (OR = 1.43, 95%CI 1.17-1.76). Our findings provide support for treatment approaches that focus on the whole person. Such approaches should take into account gender differences when examining objective quality of life.

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James McGuire

University of California

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