Publications by authors named "Jacqueline M Quail"

Background: Limited research exists on the use of specific health services over an extended time among rural persons with dementia. The study objective was to examine health service use over a 10-year period, five years before until five years after diagnosis in the specialist Rural and Remote Memory Clinic (RRMC).

Methods: Clinical and administrative health data of RRMC patients were linked.

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Objectives: This study investigated patterns in health service usage among older adults with dementia and matched controls over a 10-year span from 5 years before until 5 years after diagnosis.

Design: Population-based retrospective matched case-control study.

Setting: Administrative health data of individuals in Saskatchewan, Canada from 1 April 2008 to 31 March 2019.

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Background: The potential influence of asthma control in early life on long-term outcomes in childhood remains largely unknown.

Objective: To examine whether asthma control trajectories in the 2 years after diagnosis in preschoolers are associated with long-term unsatisfactory asthma control.

Methods: We conducted a multicenter population-based retrospective cohort study, including four Canadian provincial birth cohorts derived from administrative databases.

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Introduction: Early disease morbidity has been associated with asthma persistence in wheezing preschoolers; however, whether asthma control trajectories shortly after diagnosis could influence remission is unknown. We examined the association between asthma control trajectories 2 years post-diagnosis in preschoolers and subsequent disease remission.

Methods: We conducted a multicentre population-based retrospective cohort study consisting of 48 687 children with asthma diagnosed before 5 years old and born between 1990 and 2013 in four Canadian provinces who had prolonged disease activity post-diagnosis.

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Background: Rheumatoid arthritis (RA) is a chronic inflammatory and destructive arthritis. Understanding the incidence and prevalence of RA within the province facilitates appropriate health care resource planning.

Objective: To estimate the incidence/prevalence of RA over time for the overall provincial population, for specific age range categories, and for gender.

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Objective: A small proportion of the population accounts for the majority of healthcare costs. Mental health and addiction (MHA) patients are consistently high-cost. We aimed to delineate factors amenable to public health action that may reduce high-cost use among a cohort of MHA clients in Saskatoon, Saskatchewan.

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Article Synopsis
  • * The study analyzed newly diagnosed COPD patients in Saskatchewan using health data to classify them into three cost groups based on their healthcare expenses.
  • * Results showed that persistently high-cost patients incurred significantly more costs during exacerbations, and including prior hospitalizations in classification models improved accuracy from 0.67 to 0.72, underscoring the need for targeted cost management strategies.
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Background: A patient's trajectory through the healthcare system affects resource use and outcomes. Data fields in population-based administrative health databases are potentially valuable resources for constructing care trajectories for entire populations, provided they can capture patient transitions between healthcare services. This study describes patient transitions from the emergency department (ED) to other healthcare settings, and ascertains whether the discharge disposition field recorded in the ED data was a reliable source of patient transition information from the emergency to the acute care settings.

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Background: Original studies published over the last decade regarding time trends in dementia report mixed results. The aims of the present study were to use linked administrative health data for the province of Saskatchewan for the period 2005/2006 to 2012/2013 to: (1) examine simultaneous temporal trends in annual age- and sex-specific dementia incidence and prevalence among individuals aged 45 and older, and (2) stratify the changes in incidence over time by database of identification.

Methods: Using a population-based retrospective cohort study design, data were extracted from seven provincial administrative health databases linked by a unique anonymized identification number.

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Healthcare pathways are important to measure because they are expected to affect outcomes. However, they are challenging to define because patients exhibit heterogeneity in their use of healthcare services. The objective of this study was to identify and describe healthcare pathways during episodes of chronic obstructive pulmonary disease (COPD) exacerbations.

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Background: Determining the epidemiology of dementia among the population as a whole in specific jurisdictions - including the long-term care population-is essential to providing appropriate care. The objectives of this study were to use linked administrative databases in the province of Saskatchewan to determine the 12-month incidence and prevalence of dementia for the 2012/13 period (1) among individuals aged 45 and older in the province of Saskatchewan, (2) according to age group and sex, and (3) according to diagnosis code and other case definition criteria.

Methods: We used a population-based retrospective cohort study design and extracted data from 10 provincial health databases linked by a unique health services number.

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Background: Unmet need to perform activities of daily living (ADL) is associated with increased use of urgent health services by the elderly. However, the reported associations may be confounded by psychological distress. We examine the independent effects of unmet need and psychological distress upon emergency department (ED) visits.

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Community-dwelling seniors increasingly require physical assistance to perform the activities of daily living (ADL). To examine the possible association of this need with psychological distress, we conducted a prospective cohort study of community-dwelling people age 75 and older in Montreal, Canada. We report the results for women only (n = 530).

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Background: Multiple comorbidity measures have been developed for risk-adjustment in studies using administrative data, but it is unclear which measure is optimal for specific outcomes and if the measures are equally valid in different populations. This research examined the predictive performance of five comorbidity measures in three population-based cohorts.

Methods: Administrative data from the province of Saskatchewan, Canada, were used to create the cohorts.

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Background And Aims: The term frailty is used to describe older persons at high risk for adverse health outcomes. In 2001, Fried et al. proposed a now widely cited definition which suggests that frailty is a clinical entity related to, but distinct from, ADL disability and comorbidity.

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Self-rated health (SRH) is a measure of perceived health that has been shown to predict use of community services, functional decline, pain, and mortality. Many factors associated with SRH have been identified, but unmet need for physical assistance with activities of daily living (ADL) has not yet been examined. The objective of this paper is to examine the association between unmet need and SRH while accounting for the effects of other, previously identified, correlates of SRH.

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