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Background: Naturally occurring retirement communities (NORCs) are geographical areas that have naturally become home to a large concentration of older adults. This density means that NORCs have the potential to become a pillar for aging in place strategies, but at present, there is limited data on residents and their health needs. Our objective was to describe and compare the health and healthcare use of older adults living in high-rise NORC buildings to those in all other housing types in the community., Methods: We conducted a population-based descriptive study of community-dwelling older adults aged ≥65 years by linking a provincial NORC registry in Ontario, Canada with health administrative records. Individuals were classified as NORC residents if their residential postal code on January 1, 2020 matched the NORC registry. Sociodemographic, clinical, and healthcare use characteristics were compared by NORC status using standardized differences (STD) and stratified by rurality, and further by age and sex in urban settings., Results: Overall, 219,995 (7.7%) of 2,869,706 older adults were NORC residents. Compared to community-dwelling older adults, NORC residents were older (mean 77.4 vs 74.6 years; STD 0.34), and more were female (61.8% vs 52.2%; STD 0.19) and had low income (16.0% vs 9.3%; STD 0.11). NORC residents also had more active chronic conditions (mean 1.9 vs 1.5; STD 0.27), medications (mean 3.4 vs 2.8; STD 0.21), home care use (15.3% vs 9.8%; STD 0.17), and primary care visits (mean 9.7 vs 7.6 visits in prior 2 years; STD 0.22). Findings were robust across rurality, age, and sex., Conclusions: Our findings suggest that NORC residents have greater health needs than other older adults living in the community and underscore NORCs as important targets for equity-focused strategies to support aging in place., (© 2024 The Author(s). Journal of the American Geriatrics Society published by Wiley Periodicals LLC on behalf of The American Geriatrics Society.)

Objectives: We aimed to determine whether maternal mental health service use during pregnancy, a potential proxy measure of prenatal maternal stress, is associated with the development of asthma in a large population-based sample of children. We hypothesized that children born to mothers with mental health service use during pregnancy would have a higher incidence of childhood asthma. Study Design: Health administrative data from Ontario, Canada (population >13 million) was used to identify pairs of mothers linked with their children born between April 1, 2001 to March 31, 2002. Descriptive statistics were used to compare the cumulative incidence of asthma by age 12 years in children whose mothers did or did not have prenatal mental health service use. Multivariable logistic regression was used to estimate the association between prenatal maternal mental health service use and childhood asthma incidence, after adjusting for the child's sex, residency (rural vs. urban), socioeconomic status, comorbid health conditions, low birthweight, and maternal history of asthma. Results: In a population-based sample of 122,333 children, those born to mothers with mental health service use during pregnancy had increased odds of developing asthma (odds ratio: 1.16, 95% confidence intervals: 1.12, 1.20, p < 0.001). Conclusions: Prenatal maternal mental health service use is an independent risk factor for the development of asthma in childhood. This supports growing evidence for the importance of in utero exposure to maternal stress factors in asthma pathogenesis. This study highlights a potential strategy for the primary prevention of childhood asthma, namely improved recognition and management of mental health issues and stress in pregnant mothers. [ABSTRACT FROM AUTHOR]

Using Ontario healthcare administrative databases, over 228,000 children aged 0 to 9 years were identified as having asthma between 1994 and 1998 and followed until they turned 10 years old or the end of the study. The prevalence of childhood asthma increased by 35% during the study period. These children had a higher healthcare utilization and cost over $100 more per child per year than the general population, and contributed to over one third of the total Ontario Health Insurance Plan expenditures. Findings of this study revealed an enormous burden of illness to children with asthma and the healthcare system. [ABSTRACT FROM AUTHOR]

Background: Misdiagnosis of COPD is common. The goal of this study was to quantify the health services burden of undiagnosed and overdiagnosed COPD in a real-world, North American population., Methods: A population-based cohort study was conducted. Presence of COPD using spirometry was ascertained in randomly selected adults aged ≥ 40 years from Ontario, Canada, who participated in the Canadian Obstructive Lung Disease study. The presence of physician-diagnosed COPD was ascertained for the same subjects by using linked health administrative data. Participants were then categorized into four groups: correctly diagnosed, undiagnosed, overdiagnosed, and no COPD according to either criteria. Age- and sex-standardized rates of hospitalizations, ED visits, and ambulatory care visits in each group were determined and compared., Results: Of 1,403 participants, 13.7% had undiagnosed COPD, 5.1% were overdiagnosed, and 3.7% had correctly diagnosed COPD. Subjects with overdiagnosed COPD had significantly higher rates of hospitalizations, ED visits, and ambulatory care visits, and subjects with moderate to severe undiagnosed COPD had higher rates of hospitalizations, than subjects in the non-COPD population., Conclusions: Undiagnosed and overdiagnosed COPD contribute to significant health care burden. Given that misdiagnosed COPD was fivefold more common than correctly diagnosed COPD, these findings point to a substantial misdiagnosis-associated burden of disease that might be prevented, at least in part, with a correct diagnosis., (Copyright © 2018 American College of Chest Physicians. Published by Elsevier Inc. All rights reserved.)