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Close proximity to roadway and urbanicity associated with mental ill-health in older adults.

ABSTRACT: Evidence for the association between built environment and mental ill health, especially in older population where mental ill health is common, remains inconclusive. We examined the association of roadway distance and urbanicity, measured as percentage of urban land use within 1?km from participants' residence, with mental ill-health in a longitudinal study of community-dwelling older adults in the United States between 2005 and 2006 and 2011-2012. We evaluated perceived stress, depression and anxiety symptoms using the Cohen's Perceived Stress Scale, the Center for Epidemiological Studies - Depression, and the Hospital Anxiety and Depression Scale - anxiety subscale, respectively. Increment in roadway distance was significantly associated with -0.03 point (95% CI: -0.05, -0.01) change in depressive score, with loneliness and PM2.5 partially mediating the observed associations. Age, gender, race/ethnicity, and physical activity significantly modified the distance-depression association. Anxiety was inversely associated with roadway distance (-0.02; 95% CI: -0.03, 0.00), though the associations became insignificant upon adjusting for road traffic or noise. Urbanicity was significantly associated with 0.29 (95% CI: 0.10, 0.57) point increase in depressive symptoms in multivariable model; the association was partly mediated by loneliness, physical activity, social support and air pollution. No association was found between roadway distance and perceived stress, and between urbanicity, and anxiety and perceived stress. Built environment was associated with mental ill health, partially through pathways related to air pollution and certain individual characteristics (e.g. loneliness). Our study warrants further examination of the mediation and interaction of the built environment-mental health association.

SUBMITTER: Pun VC

PROVIDER: S-EPMC7004241 | biostudies-literature | 2019 Mar

REPOSITORIES: biostudies-literature

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Close proximity to roadway and urbanicity associated with mental ill-health in older adults.

Pun Vivian C VC Manjourides Justin J Suh Helen H HH

The Science of the total environment 20181215

Evidence for the association between built environment and mental ill health, especially in older population where mental ill health is common, remains inconclusive. We examined the association of roadway distance and urbanicity, measured as percentage of urban land use within 1 km from participants' residence, with mental ill-health in a longitudinal study of community-dwelling older adults in the United States between 2005 and 2006 and 2011-2012. We evaluated perceived stress, depression and a ...[more]

PMID: 30583181

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Project description:The aim of this study was to assess the longitudinal association between loneliness, mental and physical ill-health indicators, lifestyle factors and mortality among middle-aged and older adults in Thailand. We analyzed prospective cohort data of participants 45 years and older from three consecutive waves in 2015 (n = 5616), 2017 (n = 3600), and in 2020 (n = 2863) of the Health, Aging and Retirement in Thailand (HART) study. Loneliness was assessed with a single item. To assess the longitudinal associations between loneliness and health outcomes between 2015 (baseline), 2017 (first follow-up) and 2020 (second follow-up), we conducted Generalized Estimating Equations analysis (GEE). The proportion of loneliness was 21.6% in 2015, 23.8% in 2017 and 21.3% in 2020. In the adjusted GEE logistic regression model, loneliness was positively associated with mental ill-health (poor self-rated mental health status, poor quality of life/happiness, depressive symptoms, and insomnia symptoms), physical ill-health (poor self-rated physical health status, hypertension, kidney disease, osteoporosis, and ADL disability), and lifestyle factors (physical inactivity, and having underweight). Furthermore, in adjusted Cox proportional hazards regression, loneliness was associated with mortality. In adjusted logistic regression, compared to without loneliness in all three study waves, having loneliness in one wave and/or two to three waves was positively associated with incident mental ill-health (incident poor self-rated mental health status, incident poor quality of life/happiness, incident depressive symptoms, and incident insomnia symptoms), incident physical ill-health (incident poor self-rated physical health status, incident diabetes, incident kidney disease, and incident ADL disability), and incident lifestyle factors (having incident underweight). We found that loneliness was associated with several mental and physical ill-health indicators, lifestyle factors and mortality. Enhanced screening and treatment of loneliness may reduce mental and physical ill-health indicators in Thailand.

Project description:Anecdotal evidence suggested that waiting times within the older adults community mental health team (OA CMHT) had been increasing over time. An assessment and evaluation was indicated to ensure best quality care was provided for patients. A comparison was made between waiting times in January to December 2011 compared with August 2013 to July 2014. In 2011 the mean number of days until initial assessment from the point of referral was 12 days for routine cases, and 3.6 days for urgent cases. The re-audit showed the number of days increased to 15.89 days for routine cases, and 9.81 days for urgent cases. Contributory factors were reviewed, and it was felt that to address this problem, a duty worker role was necessary. The role of the duty worker was divided into triaging and allocating work. The triaging process was to ensure all urgent cases were highlighted early and acted upon. The duty worker's role was also to gather sufficient information from the referrer, to reduce the risks of inadequate knowledge delaying assessment. In addition, the allocating process required the duty worker to designate a clinician in charge of the case upon receipt of referral. This ensured that clinicians were able to offer the earliest possible appointment slot for the initial assessment, and thus reduce waiting times. Following implementation, findings from September 2014 to February 2015 showed an improvement in average waiting times, as well as an improvement in the percentage of assessments reviewed within previously set standards. For routine reviews, the mean time until assessment was 10.68 days. For urgent reviews, the mean time until initial assessment was 6.8 days. However, it was noted that majority of urgent reviews were still not being reviewed in time. The outcomes of this study demonstrated an improvement of both waiting times, and percentage of patients being seen within set standards following a single intervention. In the current climate of cost efficiency savings, it is important for services to continue to find ways to streamline and improve upon current practices, to ensure the best outcome for patients.

Dataset Information

Close proximity to roadway and urbanicity associated with mental ill-health in older adults.

Publications

Close proximity to roadway and urbanicity associated with mental ill-health in older adults.

Similar Datasets

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