A Novel Population-Based Health Index for Mental Disorder

Cawthorpe, David

doi:10.7812/tpp/12-081

Cited by 17 publications

(15 citation statements)

References 3 publications

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“…The rate of all physician-diagnosed mental disorders has increased for children. 37 Similarly, there has been an increase in the annual rate of ASD that was greater for males than females, although not as great as that reported in the literature. The reasons for the increased ASD rates are multifold and include any or all of the following: more diagnostic precision (reduction in falsenegatives), increased public awareness (inflation of false-positives), or a real increase in the ASD rate.…”

Section: Original Research and Contributionsmentioning

confidence: 85%

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Comprehensive Description of Comorbidity for Autism Spectrum Disorder in a General Population

Cawthorpe

2017

TPJ

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Context: Few published studies of autism spectrum disorder (ASD) and comorbidity are population based.Objective: To describe the comorbidity of ASD and disorders listed in the main classes of the International Classification of Diseases, Ninth Revision (ICD-9) in a general population.Design: Direct physician billing data for the city of Calgary, Alberta, Canada, for the treatment of any presenting concern in the Calgary Health Zone (n = 763,449) from 1994 to 2009 were extracted. Diagnosed ICD-9 disorders (independent variable) were grouped into 17 categories using ICD-9 diagnosis codes. ASD (dependent variable) was classified under ICD-9 Code 299. Individuals with and without independent disorder classes were counted by the presence or absence of any ASD. Odds ratios (ORs) and 95% confidence intervals of the association were calculated.Main Outcome Measures: ORs of ASD comorbidities. Results: Annual rates of ASD increased 3.9-fold for males and 1.4-fold for females. Diagnosed disorders ranked by OR in the independent ICD-9 categories indicated that males with ASD had overall higher ORs (> 1.0) in 11 main ICD-9 classes, and females with ASD had higher ORs (> 1.0) in 12 main ICD-9 classes. Males with ASD had lower ORs in 4 main ICD-9 disease classes; females with ASD had lower ORs related only to the main class "complications of pregnancy and childbirth." Five main ICD-9 classes were not significant for males or females.Conclusions: Patients with ASD have significant comorbidity of physical disorders. This finding may inform other areas of research and assessment in clinical management.

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Section: Original Research and Contributionsmentioning

confidence: 85%

“…37 The usual threat to validity is the reliability of physicianassigned diagnoses, which is assumed to be a normally distributed source of error.…”

Section: Study Limitationsmentioning

confidence: 99%

Comprehensive Description of Comorbidity for Autism Spectrum Disorder in a General Population

Cawthorpe

2017

TPJ

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“…6 In those studies the main assumption was that early adversity is one gateway to mental disorder in later life, and we demonstrated a clear relationship between mental disorder and biomedical or somatic disorders. More importantly, additional studies have drawn associations between somatic disorders, specifically ulcerative colitis and early adversity.…”

Section: Future Directionsmentioning

confidence: 99%

“…6 Mental disorder was present in 53.9% of patients from the overall sample (n = 763,449). In the sample of those with a diagnosis of ulcerative colitis, 4192 (82%) had a mental disorder.…”

Section: Original Research and Contributionsmentioning

confidence: 99%

Temporal Comorbidity of Mental Disorder and Ulcerative Colitis

Cawthorpe

Davidson

2015

TPJ

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“…This trend can be seen in a longitudinal study of the Alberta Health Services Calgary Zone population. [8] 1.1 Literature review Timely access to appropriate and necessary care for mental health is a construct that sits at the very core of Canadian values. [9][10][11] This principle was codified as a central tenet of policy and practice within Changing Directions, Changing Lives: The Mental Health Strategy for Canada.…”

Section: Introductionmentioning

confidence: 99%

The validation of the Western Canada Waiting List Children’s Mental Health-Priority Criteria Score Instrument: 2002 – 2015 results

Novick

Cawthorpe

McLuckie

2016

JHA

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Objective: To assess the validity of the Western Canada Waiting List Children's Mental Health-Priority Criteria Score (WCWL-CMH-PCS) Instrument. Methods: The WCWL-CMH-PCS Instrument was developed in order to prioritize the delivery of child and youth mental health (CYMH) services through standardized measures of urgency. We draw on two data sets describing the PCS scores among patients who have sought CYMH care. The first data set was collected during the first phase of pilot testing for the WCWL-CMH-PCS Instrument (from January -June 2000), during which trained intake workers applied the PCS items to 817 patients aged 5-18 years throughout the three western provinces. The second data set comprises the application of a refined version of the WCWL-CMH-PCS Instrument to 22,013 patients aged 0-19 throughout the Calgary Health Region from 2002 -2015. For our analysis, we compare the two samples in order to determine the percentage of patients that correspond to specific risk categories for each priority score. Results: For the overall pairwise correlation by item, r = 0.96 and is statistically significant at the .05 level (p < .05). We discovered that there are small differences in the assessments of urgency for access to specialized care, severity of symptoms, family and social factors, and the expected results of care between the two samples. The absolute difference per item is not greater than 12.0%. Conclusions: Overall, our results support the empirical applicability and usefulness of the WCWL-CMH-PCS Instrument within CYMH clinical settings.

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A Novel Population-Based Health Index for Mental Disorder

Cited by 17 publications

References 3 publications

Comprehensive Description of Comorbidity for Autism Spectrum Disorder in a General Population

Comprehensive Description of Comorbidity for Autism Spectrum Disorder in a General Population

Temporal Comorbidity of Mental Disorder and Ulcerative Colitis

The validation of the Western Canada Waiting List Children’s Mental Health-Priority Criteria Score Instrument: 2002 – 2015 results

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