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  1. Article ; Online: Differences in clinical presentation at first hospitalization and the impact on involuntary admissions among first-generation migrant groups with non-affective psychotic disorders.

    Anderson, Kelly K / Rodrigues, Rebecca

    Social psychiatry and psychiatric epidemiology

    2023  Volume 58, Issue 9, Page(s) 1329–1341

    Abstract: Background: Some migrant and ethnic minority groups have a higher risk of coercive pathways to care; however, it is unclear whether differences in clinical presentation contribute to this risk. We sought to assess: (i) whether there were differences in ... ...

    Abstract Background: Some migrant and ethnic minority groups have a higher risk of coercive pathways to care; however, it is unclear whether differences in clinical presentation contribute to this risk. We sought to assess: (i) whether there were differences in clinician-rated symptoms and behaviours across first-generation immigrant and refugee groups at the first psychiatric hospitalization after psychosis diagnosis, and (ii) whether these differences accounted for disparities in involuntary admission.
    Methods: Using population-based health administrative data from Ontario, Canada, we constructed a sample (2009-2013) of incident cases of non-affective psychotic disorder followed for two years to identify first psychiatric hospitalization. We compared clinician-rated symptoms and behaviours at admission between first-generation immigrants and refugees and the general population, and adjusted for these variables to ascertain whether the elevated prevalence of involuntary admission persisted.
    Results: Immigrants and refugee groups tended to have lower ratings for affective symptoms, self-harm behaviours, and substance use, as well as higher levels of medication nonadherence and poor insight. Immigrant groups were more likely to be perceived as aggressive and a risk of harm to others, and both groups were perceived as having self-care issues. Adjustment for perceived differences in clinical presentation at admission did not attenuate the higher prevalence of involuntary admission for immigrant and refugee groups.
    Conclusions: First-generation migrant groups may differ in clinical presentation during the early course of psychotic illness, although these perceived differences did not explain the elevated rates of involuntary admission. Further research using outpatient samples and tools with established cross-cultural validity are warranted.
    MeSH term(s) Humans ; Ethnicity ; Transients and Migrants ; Minority Groups ; Hospitalization ; Ontario/epidemiology ; Psychotic Disorders/epidemiology ; Psychotic Disorders/therapy ; Psychotic Disorders/diagnosis
    Language English
    Publishing date 2023-03-16
    Publishing country Germany
    Document type Journal Article
    ZDB-ID 623071-4
    ISSN 1433-9285 ; 0037-7813 ; 0933-7954
    ISSN (online) 1433-9285
    ISSN 0037-7813 ; 0933-7954
    DOI 10.1007/s00127-023-02465-5
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  2. Article ; Online: Towards a public health approach to psychotic disorders.

    Anderson, Kelly K

    The Lancet. Public health

    2019  Volume 4, Issue 5, Page(s) e212–e213

    MeSH term(s) Humans ; Incidence ; Psychotic Disorders ; Public Health
    Language English
    Publishing date 2019-05-03
    Publishing country England
    Document type Journal Article ; Comment
    ISSN 2468-2667
    ISSN (online) 2468-2667
    DOI 10.1016/S2468-2667(19)30054-4
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  3. Article ; Online: Sociodemographic Factors and the Risk of Pediatric Out-of-Hospital Cardiac Arrest in Ontario, Canada: A Province-Wide Case-Control Study.

    Idrees, Samina / Anderson, Kelly K / Choi, Yun-Hee / Tijssen, Janice A

    Journal of the American Heart Association

    2024  Volume 13, Issue 1, Page(s) e032718

    Abstract: Background: Pediatric out-of-hospital cardiac arrest (POHCA) is associated with significant mortality and poor neurological outcomes. We aimed to describe the association between sociodemographic factors and POHCA risk in Ontario, Canada.: Methods and ...

    Abstract Background: Pediatric out-of-hospital cardiac arrest (POHCA) is associated with significant mortality and poor neurological outcomes. We aimed to describe the association between sociodemographic factors and POHCA risk in Ontario, Canada.
    Methods and results: We conducted a province-wide case-control study at ICES, where patient records are linked across administrative databases. The case group included children (aged 1 day to 17 years) who experienced an out-of-hospital cardiac arrest between 2004 and 2020. Controls were matched up to 1:4 on age, sex, index date, and key comorbidities. We used conditional logistic regression to measure the association between sociodemographic indicators and POHCA risk. The case and control groups included 1826 and 7254 children, respectively. Children living in areas with the highest levels of material deprivation (adjusted odds ratio [aOR], 2.35 [95% CI, 1.94-2.85]) and dependency (aOR, 1.22 [95% CI, 1.01-1.48]) had a higher odds of POHCA, relative to children living in regions with the lowest levels of material deprivation and dependency, respectively. Children living in neighborhoods with the lowest levels of ethnic diversity had a higher odds of POHCA (aOR, 1.62 [95% CI, 1.30-2.01]), relative to children living in neighborhoods with the highest levels of ethnic diversity. The odds of POHCA were lower in immigrants (aOR, 0.67 [95% CI, 0.47-0.95]), relative to the general population. Northern urban residence was associated with a higher odds of POHCA (aOR, 1.45 [95% CI, 1.13-1.87]), relative to southern urban residence.
    Conclusions: Children living in neighborhoods with high levels of marginalization may have an elevated risk of experiencing POHCA. These findings highlight the importance of addressing disparities through targeted prevention and intervention efforts.
    MeSH term(s) Humans ; Child ; Case-Control Studies ; Ontario/epidemiology ; Out-of-Hospital Cardiac Arrest/epidemiology ; Out-of-Hospital Cardiac Arrest/therapy ; Sociodemographic Factors ; Residence Characteristics
    Language English
    Publishing date 2024-01-03
    Publishing country England
    Document type Journal Article
    ZDB-ID 2653953-6
    ISSN 2047-9980 ; 2047-9980
    ISSN (online) 2047-9980
    ISSN 2047-9980
    DOI 10.1161/JAHA.123.032718
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  4. Article ; Online: Disparities in Access to a Regular Primary Care Physician Among First-Generation Migrants with Early Psychosis in Ontario, Canada.

    Valdez, Crystal / Rodrigues, Rebecca / Reid, Jennifer / Anderson, Kelly K

    Community mental health journal

    2024  

    Abstract: Disparities in primary care utilization among migrants with early psychosis may be related to lack of access to a regular primary care physician. This study aimed to investigate access to a regular primary care physician among first-generation migrants ... ...

    Abstract Disparities in primary care utilization among migrants with early psychosis may be related to lack of access to a regular primary care physician. This study aimed to investigate access to a regular primary care physician among first-generation migrants with early psychosis. People aged 14-35 years with first onset non-affective psychotic disorder in Ontario, Canada were identified in health administrative data (N = 39,440). Access to a regular primary care physician through enrollment in the year prior to diagnosis was compared between first-generation migrants (categorized by country of birth) and the general population using modified Poisson regression. Most migrant groups had a lower prevalence of regular primary care physician access relative to the general population, particularly migrants from Africa (African migrants: 81% vs. non-migrants: 89%). Adjustment for sociodemographic and clinical factors attenuated these differences, although the disparities for migrants from Africa remained (PR = 0.96, 95%CI = 0.94-0.99). Interventions aimed at improving primary care physician access in migrant groups may facilitate help-seeking and improve pathways to care in early psychosis.
    Language English
    Publishing date 2024-04-09
    Publishing country United States
    Document type Journal Article
    ZDB-ID 215855-3
    ISSN 1573-2789 ; 0010-3853
    ISSN (online) 1573-2789
    ISSN 0010-3853
    DOI 10.1007/s10597-024-01266-7
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  5. Article ; Online: Treatment and Mortality Following Cancer Diagnosis Among People With Non-affective Psychotic Disorders in Ontario, Canada: A Retrospective Cohort Study.

    Wootten, Jared C / Richard, Lucie / Lam, Melody / Blanchette, Phillip S / Solmi, Marco / Anderson, Kelly K

    Schizophrenia bulletin

    2024  

    Abstract: Background and hypothesis: People with psychotic disorders have a higher risk of mortality following cancer diagnosis, compared to people without psychosis. The extent to which this disparity is influenced by differences in cancer-related treatment is ... ...

    Abstract Background and hypothesis: People with psychotic disorders have a higher risk of mortality following cancer diagnosis, compared to people without psychosis. The extent to which this disparity is influenced by differences in cancer-related treatment is currently unknown. We hypothesized that, following a cancer diagnosis, people with psychotic disorders were less likely to receive treatment and were at higher risk of death than those without psychosis.
    Study design: We constructed a retrospective cohort of cases of non-affective psychotic disorder (NAPD) and a general population comparison group, using Ontario Health (OH) administrative data. We identified cases of all cancers diagnosed between 1995 and 2019 and obtained information on cancer-related treatment and mortality. Cox proportional hazards models were used to compare the probability of having a consultation with an oncologist and receiving cancer-related treatment, adjusting for tumor site and stage. We also compared the rate of all-cause and cancer-related mortality between the two groups, adjusting for tumor site.
    Study results: Our analytic sample included 24 944 people diagnosed with any cancer. People with NAPD were less likely to receive treatment than people without psychosis (HR = 0.87, 95% CI = 0.82, 0.91). In addition, people with NAPD had a greater risk of death from any cause (HR = 1.68, 95% CI = 1.60, 1.76), compared to people without NAPD.
    Conclusions: The lower likelihood of receiving cancer treatment reflects disparities in accessing cancer care for people with psychotic disorders, which may partially explain the higher mortality risk following cancer diagnosis. Future research should explore mediating factors in this relationship to identify targets for reducing health disparities.
    Language English
    Publishing date 2024-03-03
    Publishing country United States
    Document type Journal Article
    ZDB-ID 439173-1
    ISSN 1745-1701 ; 0586-7614
    ISSN (online) 1745-1701
    ISSN 0586-7614
    DOI 10.1093/schbul/sbae013
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  6. Article ; Online: The role of geography and distance on physician follow-up after a first hospitalization with a diagnosis of a schizophrenia spectrum disorder: A retrospective population-based cohort study in Ontario, Canada.

    Rotenberg, Martin / Gozdyra, Peter / Anderson, Kelly K / Kurdyak, Paul

    PloS one

    2023  Volume 18, Issue 6, Page(s) e0287334

    Abstract: Background: Timely follow-up after hospitalization for a schizophrenia spectrum disorder (SSD) is an important quality indicator. We examined the proportion of individuals who received physician follow-up within 7 and 30 days post-discharge by health ... ...

    Abstract Background: Timely follow-up after hospitalization for a schizophrenia spectrum disorder (SSD) is an important quality indicator. We examined the proportion of individuals who received physician follow-up within 7 and 30 days post-discharge by health region and estimated the effect of distance between a person's residence and discharging hospital on follow-up.
    Methods: We created a retrospective population-based cohort of incident hospitalizations with a discharge diagnosis of a SSD between 01/01/2012 and 30/03/2019. The proportion of follow-up with a psychiatrist and family physician within 7 and 30 days were calculated for each region. The effect of distance between a person's residence and discharging hospital on follow-up was estimated using adjusted multilevel logistic regression models.
    Results: We identified 6,382 incident hospitalizations for a SSD. Only 14.2% and 49.2% of people received follow-up care with a psychiatrist within 7 and 30 days of discharge, respectively, and these proportions varied between regions. Although distance from hospital was not associated with follow-up within 7 days of discharge, increasing distance was associated with lower odds of follow-up with a psychiatrist within 30 days.
    Conclusion: Post-discharge follow-up is poor across the province. Geospatial factors may impact post-discharge care and should be considered in further evaluation of quality of care.
    MeSH term(s) Humans ; Schizophrenia/diagnosis ; Schizophrenia/epidemiology ; Schizophrenia/therapy ; Aftercare ; Ontario/epidemiology ; Patient Discharge ; Retrospective Studies ; Cohort Studies ; Follow-Up Studies ; Hospitalization ; Physicians ; Geography
    Language English
    Publishing date 2023-06-16
    Publishing country United States
    Document type Journal Article
    ZDB-ID 2267670-3
    ISSN 1932-6203 ; 1932-6203
    ISSN (online) 1932-6203
    ISSN 1932-6203
    DOI 10.1371/journal.pone.0287334
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  7. Article ; Online: Models of shared care for the management of psychotic disorder after first diagnosis in Ontario.

    Wiener, Joshua C / Rodrigues, Rebecca / Reid, Jennifer N S / Anderson, Kelly K

    Canadian family physician Medecin de famille canadien

    2023  Volume 69, Issue 12, Page(s) 859–866

    Abstract: Objective: To describe the provision of care for young people following first diagnosis of psychotic disorder.: Design: Retrospective cohort study using health administrative data.: Setting: Ontario.: Participants: People aged 14 to 35 years ... ...

    Abstract Objective: To describe the provision of care for young people following first diagnosis of psychotic disorder.
    Design: Retrospective cohort study using health administrative data.
    Setting: Ontario.
    Participants: People aged 14 to 35 years with a first diagnosis of nonaffective psychotic disorder in Ontario between 2005 and 2015 (N=39,449).
    Main outcome measures: Models of care, defined by psychosis-related service contacts with primary care physicians and psychiatrists during the 2 years after first diagnosis of psychotic disorder.
    Results: During the 2-year follow-up period, 29% of the cohort received only primary care, 30% received only psychiatric care, and 32% received both primary and psychiatric care (shared care). Among the shared care group, 72% received care predominantly from psychiatrists, 20% received care predominantly from primary care physicians, and 9% received approximately equal care from psychiatry and primary care. Variation in patient and physician characteristics was observed across the different models of care.
    Conclusion: One in 3 young people with psychotic disorder received shared care during the 2-year period after first diagnosis. The findings highlight opportunities for increasing collaboration between primary care physicians and psychiatrists to enhance the quality of care for those with early psychosis.
    MeSH term(s) Humans ; Adolescent ; Retrospective Studies ; Ontario ; Psychotic Disorders/diagnosis ; Psychotic Disorders/therapy ; Physicians
    Language English
    Publishing date 2023-12-13
    Publishing country Canada
    Document type Journal Article
    ZDB-ID 603565-6
    ISSN 1715-5258 ; 0008-350X
    ISSN (online) 1715-5258
    ISSN 0008-350X
    DOI 10.46747/cfp.6912859
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  8. Article ; Online: From cancer prevention to death: the case for transdiagnostic services for physical health in people with mental disorders.

    Solmi, Marco / Cortese, Samuele / Wooten, Jared C / Anderson, Kelly K

    The lancet. Psychiatry

    2023  Volume 10, Issue 7, Page(s) 475–476

    MeSH term(s) Humans ; Neoplasms ; Mental Disorders/therapy ; Mental Disorders/diagnosis ; Delivery of Health Care
    Language English
    Publishing date 2023-06-20
    Publishing country England
    Document type Journal Article ; Comment
    ISSN 2215-0374
    ISSN (online) 2215-0374
    DOI 10.1016/S2215-0366(23)00188-8
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  9. Article ; Online: Ethnic differences in physician follow-up after a first diagnosis of psychotic disorder.

    Anderson, Kelly K

    Schizophrenia research

    2017  Volume 193, Page(s) 463–464

    MeSH term(s) Adolescent ; Adult ; Canada/epidemiology ; Cohort Studies ; Female ; Humans ; Male ; Physicians/ethics ; Physicians/psychology ; Psychiatric Status Rating Scales ; Psychotic Disorders/diagnosis ; Young Adult
    Language English
    Publishing date 2017-07-12
    Publishing country Netherlands
    Document type Letter
    ZDB-ID 639422-x
    ISSN 1573-2509 ; 0920-9964
    ISSN (online) 1573-2509
    ISSN 0920-9964
    DOI 10.1016/j.schres.2017.07.019
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  10. Article ; Online: Sociodemographic factors associated with paediatric out-of-hospital cardiac arrest: A systematic review.

    Idrees, Samina / Abdullah, Ream / Anderson, Kelly K / Tijssen, Janice A

    Resuscitation

    2023  Volume 192, Page(s) 109931

    Abstract: Background: Paediatric out-of-hospital cardiac arrest (POHCA) is associated with poor survival and severe neurological sequelae. We conducted a systematic review on the impact of sociodemographic factors across different stages of POHCA.: Methods: We ...

    Abstract Background: Paediatric out-of-hospital cardiac arrest (POHCA) is associated with poor survival and severe neurological sequelae. We conducted a systematic review on the impact of sociodemographic factors across different stages of POHCA.
    Methods: We searched MEDLINE, EMBASE, and Web of Science from database inception to October 2022. We included studies examining the association between sociodemographic factors (i.e., race, ethnicity, migrant status and socioeconomic status [SES]) and POHCA risk, bystander cardiopulmonary resuscitation (CPR) provision, bystander automated external defibrillator (AED) application, survival (at or 30-days post-discharge), and neurological outcome. We synthesized the data qualitatively.
    Results: We screened 11,097 citations and included 18 articles (arising from 15 studies). There were 4 articles reporting on POHCA risk, 5 on bystander CPR provision, 3 on bystander AED application, 13 on survival, and 6 on neurological outcome. In all studies on POHCA risk, significant differences were found across racial groups, with minority populations being disproportionately impacted. There were no articles reporting on the association between SES and POHCA risk. Bystander CPR provision was consistently associated with race and ethnicity, with disparities impacting Black and Hispanic children. The association between bystander CPR provision and SES was variable. There was little evidence of socioeconomic or racial disparities in studies on bystander AED application, survival, and neurological outcome, particularly across adjusted analyses.
    Conclusions: Race and ethnicity are likely associated with POHCA risk and bystander CPR provision. These findings highlight the importance of prioritizing at-risk groups in POHCA prevention and intervention efforts. Further research is needed to understand underlying mechanisms.
    MeSH term(s) Humans ; Child ; Cardiopulmonary Resuscitation ; Out-of-Hospital Cardiac Arrest/therapy ; Sociodemographic Factors ; Aftercare ; Patient Discharge ; Emergency Medical Services
    Language English
    Publishing date 2023-08-09
    Publishing country Ireland
    Document type Systematic Review ; Journal Article ; Review
    ZDB-ID 189901-6
    ISSN 1873-1570 ; 0300-9572
    ISSN (online) 1873-1570
    ISSN 0300-9572
    DOI 10.1016/j.resuscitation.2023.109931
    Database MEDical Literature Analysis and Retrieval System OnLINE

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