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Dive into the research topics where Yona Lunsky is active.

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Featured researches published by Yona Lunsky.


Autism | 2012

The impact of child problem behaviors of children with ASD on parent mental health: The mediating role of acceptance and empowerment:

Jonathan A. Weiss; M. Catherine Cappadocia; Jennifer A. MacMullin; Michelle A. Viecili; Yona Lunsky

Raising a child with an autism spectrum disorder (ASD) has often been associated with higher levels of parenting stress and psychological distress, and a number of studies have examined the role of psychological processes as mediators of the impact of child problem behavior on parent mental health. The current study examined the relations among child problem behavior, parent mental health, psychological acceptance, and parent empowerment. Participants included 228 parents of children diagnosed with ASD, 6–21 years of age. As expected, psychological acceptance and empowerment were negatively related to the severity of parent mental health problems. When acceptance and empowerment were compared with each other through a test of multiple mediation, only psychological acceptance emerged as a significant partial mediator of the path between child problem behavior and parent mental health problems. As child problem behavior increased, parent psychological acceptance decreased, resulting in an increase in parent mental health problems. These findings suggest that for problems that are chronic and difficult to address, psychological acceptance may be an important factor in coping for parents of young people with ASD, in line with the growing literature on positive coping as compared with problem-focused coping.


The Canadian Journal of Psychiatry | 2012

Emergency department visits and use of outpatient physician services by adults with developmental disability and psychiatric disorder.

Yona Lunsky; Elizabeth Lin; Robert Balogh; Julie Klein-Geltink; Andrew S. Wilton; Paul Kurdyak

Objective: To compare the emergency department (ED), primary, and psychiatric care visit rates associated with the presence and absence of a developmental disability (DD) and a mental illness. Method: This is a population-based study comparing Ontario adults, with and without DDs and mental illnesses, in terms of rates of primary, psychiatric, and ED care, from April 2007 to March 2009. Results: In Ontario, 45% of adults with a DD received a psychiatric diagnosis during a 2-year period, and 26% of those with a psychiatric diagnosis were classified as having a serious mental illness (SMI), compared with 8% of those with a psychiatric diagnosis but no DD. People with DDs had an increased likelihood of psychiatric and ED visits. Patients with SMIs and DDs had the highest rates of such visits. Conclusions: People with more severe impairments had the greatest likelihood of ED visits, despite access to outpatient services, suggesting that outpatient care (primary and psychiatric), as currently delivered, may not be adequate to meet their complex needs.


Journal of Intellectual Disability Research | 2012

Exposure to client aggression and burnout among community staff who support adults with intellectual disabilities in Ontario, Canada

Jennifer M. Hensel; Yona Lunsky; Carolyn S. Dewa

BACKGROUND Studies have shown that staff who support adults with intellectual disabilities (ID) are exposed to challenging behaviour in their work including client aggression. Exposure to aggressive behaviour has been associated with staff stress and burnout. Study samples have been small however, and there has been very little data exploring this issue among North American staff. METHODS A cross-sectional survey which included demographics, measures of frequency and severity (including perceived severity and a standardised severity score) of exposure to client aggression and the Maslach Burnout Inventory - Human Services Survey (MBI-HSS) was completed by 926 community staff who support adults with ID in Ontario, Canada. Relationships between demographic variables and exposure to aggression were examined with descriptive statistics. Pearson correlations were used to analyse exposure variables and MBI-HSS scores. RESULTS Nearly all staff reported being exposed to client aggression in the prior 6 months. Mean MBI-HSS scores were comparable to previously published data in similar populations with the exception of a higher score in the personal accomplishment domain. All measures of exposure to aggression were significantly positively correlated with MBI-HSS scores in the emotional exhaustion and depersonalisation dimensions of burnout. CONCLUSIONS The prevalence of burnout in this North American sample is comparable to what has been reported in similar populations in other locations, although these staff may have a higher sense of accomplishment with regard to their work. Findings from this large sample support the evidence that exposure to client aggression affects staff emotional well-being but is by no means the only important factor. Further study is needed to explore the differences and similarities reported here as well as other contributing factors which will guide the implementation of effective strategies to improve staff well-being.


Clinical Psychology & Psychotherapy | 2010

Group cognitive behaviour therapy for adults with Asperger syndrome and anxiety or mood disorder: a case series

Jonathan A. Weiss; Yona Lunsky

Individuals with Asperger syndrome are at increased risk for mental health problems compared with the general population, especially with regard to mood and anxiety disorders. Generic mental health services are often ill-equipped to offer psychotherapeutic treatments to this population, and specialized supports are difficult to find. This case series used a manualized cognitive behaviour therapy group programme (Mind Over Mood) with three adults diagnosed with Asperger syndrome, who were each unable to access psychotherapy through mainstream mental health services. This review highlights the benefits of a cognitive behaviour therapy (CBT) group approach for adults with Asperger syndrome and suggests some potential modifications to traditional CBT provision. 


Intellectual and Developmental Disabilities | 2008

Emergency Psychiatric Services for Individuals With Intellectual Disabilities: Perspectives of Hospital Staff

Yona Lunsky; Carolyn Gracey; Sara Gelfand

Strains on the mainstream mental health system can result in inaccessible services that force individuals with intellectual disabilities into the emergency room (ER) when in psychiatric crisis. The purpose of this study was to identify clinical and systemic issues surrounding emergency psychiatry services for people with intellectual disabilities, from the perspective of hospital staff. Focus groups were conducted with emergency psychiatry staff from 6 hospitals in Toronto, Canada. Hospital staff reported a lack of knowledge regarding intellectual disabilities and a shortage of available community resources. Hospital staff argued that caregivers need more community and respite support to feel better equipped to deal with the crisis before it escalates to the ER and that hospital staff feel ill prepared to provide the necessary care when the ER is the last resort. Input from hospital staff pointed to deficiencies in the system that lead caregivers to use the ER when other options have been exhausted. Both staff and caregivers need support and access to appropriate services if the system is to become more effective at serving the psychiatric needs of this complex population.


The Canadian Journal of Psychiatry | 2010

Dual Diagnosis: A National Study of Psychiatric Hospitalization Patterns of People with Developmental Disability

Yona Lunsky; Robert Balogh

Objective: To report national demographics and diagnostic profiles of people with developmental disability hospitalized for psychiatric reasons, and to contrast results to psychiatric hospitalizations among patients with no comorbid developmental disability. Method: People with developmental disability across Canada were identified using data administered by the Canadian Institute for Health Information. Among this cohort of people with developmental disability, records of hospitalization for psychiatric reasons were aggregated for the 2005/06 fiscal year (April 2005 to March 2006). Descriptive statistics on province of residence, age, sex, specific diagnoses, length of stay, and hospitalization frequency were calculated and compared with people without developmental disability. Results: In Canada, people with developmental disability were hospitalized a total of 8378 times in 2005/06; among these, 3478 (42%) were for psychiatric conditions. The number of people with developmental disability hospitalized for a psychiatric condition represents about 2% of the general population hospitalized for such conditions. Among people with developmental disability hospitalized for a psychiatric condition most were men and people aged between 15 and 34 years. For almost all psychiatric disorder categories, people with developmental disability were hospitalized at rates significantly different than their counterparts without developmental disability. Lengths of hospital stays for psychiatric conditions were very similar when comparing the study groups; however, people with developmental disability were more likely to have 2 or more hospitalizations during the year. Conclusions: People with developmental disability display unique hospitalization patterns, compared with the general population.


American Journal on Mental Retardation | 1997

Reliability of Ratings of Consumers With Mental Retardation and Their Staff on Multiple Measures of Social Support

Yona Lunsky; Betsey A. Benson

Reliability of self-reports of social support with staff ratings was compared through determining the internal consistency of the measures, consistency across measures, and consistency across raters. Fifty adults with mild mental retardation and their staff in supported living residential settings were interviewed. Self-report ratings had moderate internal consistency, were consistent across rating scales, and were significantly correlated with staff ratings, although staff members tended to agree more with each other than with consumers. Results suggest that individuals with mild mental retardation can be reliable reporters about their own social support. Further, examining self-informant agreement for specific support sources can illuminate discrepancies between self- and informant-obtained ratings.


Journal of Intellectual Disability Research | 2013

Are Cervical and Breast Cancer Screening Programmes Equitable? The Case of Women with Intellectual and Developmental Disabilities.

Virginie Cobigo; Hélène Ouellette-Kuntz; Robert Balogh; F Leung; Elizabeth Lin; Yona Lunsky

BACKGROUND Effective cancer screening must be available for all eligible individuals without discrimination. Lower rates of cervical and breast cancer screening have been reported in certain groups compared with women from the general population, such as women with intellectual and developmental disabilities (IDD). Research on the factors explaining those observed differences is crucial to determine whether practices are unfair and could be improved. The aim of this population-based study was to describe cancer screening utilisation by women with IDD in Ontario, Canada compared with other women in Ontario. The specific objectives were (1) to estimate the rates of cervical and breast cancer screening among eligible women with IDD in Ontario; (2) to compare the rates of cervical and breast cancer screening between eligible women with and without IDD; and (3) to examine if any observed differences between women with and without IDD persist after factors such as age, socio-economic status, rurality and healthcare utilisation are accounted for. METHOD This study draws women with IDD from an entire population, and draws a randomly selected comparison group from the same population. It controls for important confounders in cancer screening within the limitations of the data sources. The study was conducted using health administrative databases and registries in Ontario, Canada. Two cohorts were created: a cohort of all women identified as having an IDD and a cohort consisting of a random sample of 20% of the women without IDD. RESULTS The proportion of women with IDD who are not screened for cervical cancer is nearly twice what it is in the women without IDD, and 1.5 times what it is for mammography. CONCLUSIONS Findings suggest that women with IDD experience inequities in their access to cancer screening. Public health interventions targeting this population should be implemented.


Psychology Crime & Law | 2011

The clinical profile and service needs of psychiatric inpatients with intellectual disabilities and forensic involvement

Yona Lunsky; Carolyn Gracey; C. Koegl; E. Bradley; Janet Durbin; P. Raina

Abstract There is increasing recognition around the world that individuals with intellectual disabilities (ID) and mental health issues with forensic involvement are a particularly complex patient group whose needs are not well met. However, few studies have examined how these individuals may differ from other service users within a psychiatric hospital setting. Inpatients with ID and forensic involvement were compared to non-forensic inpatients with ID and to forensic inpatients without ID in terms of psychiatric diagnoses and clinical issues. Inpatients with ID and forensic involvement were younger, more often male, had greater lengths of stay, were more likely to have a personality disorder diagnosis and less likely to have a mood disorder diagnosis than their counterparts with ID. They were also similar to their forensic counterparts without ID with regards to demographics, but were less likely to have a substance abuse or psychotic disorder diagnosis. Furthermore, patients with ID and forensic involvement exhibit more severe symptoms, have fewer resources, and a higher recommended level of care than other forensic patients. Patients with ID and forensic involvement present with unique demographic and clinical profiles. The characteristics that set these individuals apart from other services users should be taken into account in order to better meet the needs of this complex group.


Research in Developmental Disabilities | 2010

A Comparison Study of Adults with Intellectual Disability and Psychiatric Disorder with and without Forensic Involvement.

P. Raina; Yona Lunsky

The current study describes and compares profiles of patients in the same specialized hospital program for patients with intellectual disability with and without forensic involvement. A retrospective chart review of 78 individuals (39 forensic and 39 non-forensic) served between 2006 and 2008 was completed. The forensic sample was more likely to have a diagnosis of borderline to mild IQ and psychotic disorder was more common. Forensic patients were also more likely to have previously used drugs or alcohol. Forensic inpatients had significantly longer lengths of stay, and were more likely to change residence from admission to discharge than the non-forensic inpatients but the GAF scores did not differ between the two groups at admission or discharge. Although there are many similarities between the two groups, there are also some important differences that exist which should be considered in the design of inpatient and outpatient mental health and intellectual disability services.

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Robert Balogh

University of Ontario Institute of Technology

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Johanna K. Lake

Centre for Addiction and Mental Health

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Elizabeth Lin

Centre for Addiction and Mental Health

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Janet Durbin

Centre for Addiction and Mental Health

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