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Article: Metro and elderly health in Hong Kong: protocol for a natural experiment study in a high-density city
Title | Metro and elderly health in Hong Kong: protocol for a natural experiment study in a high-density city |
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Authors | |
Keywords | mental health public health statistics & research methods |
Issue Date | 2021 |
Publisher | BMJ Publishing Group: BMJ Open. The Journal's web site is located at http://bmjopen.bmj.com |
Citation | BMJ Open, 2021, v. 11 n. 3, p. article no. e043983 How to Cite? |
Abstract | Introduction Public transport accessible to older people may offer a transformative solution to achieving healthy ageing. However, the evidence to support such transport infrastructure modifications is unclear. Previous studies on public transport use and elderly health were mostly observational studies using cross-sectional data. Few studies have examined the before-and-after effects of a new metro, for example, to see if it leads to improved elderly health. Methods and analysis We use a new metro line in Hong Kong as a natural experiment to examine the impact of the metro-led public transport intervention on elderly health. In Hong Kong, more than 90% of daily travels are made by public transport. The public transport modifications consist of the new metro line with eight stations and changes in the walking environment and bus services around the stations. We will look at the before-and-after differences in public transport use and health outcomes between elderly participants living in treatment neighbourhoods (400 m walking buffered areas of the new metro stations) and in control groups (living in comparable areas but unaffected by the new metro). Questionnaire-based baseline data were collected in 2019 before the COVID-19 pandemic, while some qualitative interviews are ongoing. Amid the pandemic, we conducted a quick telephone-based survey of COVID-19’s potential impact on public transport use behaviours of our elderly cohort in September 2020. Note there is no lockdown in Hong Kong until the writing of the paper (January 2021). After the new metro opens, we will conduct a follow-up survey, tentatively in late 2022. We aim to investigate if the new metro and the associated changes in the built environment have any effects on public transport use behaviours, physical activity and wider health outcomes among the elderly (eg, social inclusion, quality of life, subjective well-being). Ethics and dissemination The Human Research Ethics Committee of the University of Hong Kong reviewed and approved the study procedures and materials (reference number: EA1710040). Results will be communicated through scientific papers and research reports. |
Persistent Identifier | http://hdl.handle.net/10722/301153 |
ISSN | 2023 Impact Factor: 2.4 2023 SCImago Journal Rankings: 0.971 |
PubMed Central ID | |
ISI Accession Number ID |
DC Field | Value | Language |
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dc.contributor.author | Sun, G | - |
dc.contributor.author | Du, Y | - |
dc.contributor.author | Ni, MY | - |
dc.contributor.author | ZHAO, J | - |
dc.contributor.author | Webster, C | - |
dc.date.accessioned | 2021-07-27T08:06:55Z | - |
dc.date.available | 2021-07-27T08:06:55Z | - |
dc.date.issued | 2021 | - |
dc.identifier.citation | BMJ Open, 2021, v. 11 n. 3, p. article no. e043983 | - |
dc.identifier.issn | 2044-6055 | - |
dc.identifier.uri | http://hdl.handle.net/10722/301153 | - |
dc.description.abstract | Introduction Public transport accessible to older people may offer a transformative solution to achieving healthy ageing. However, the evidence to support such transport infrastructure modifications is unclear. Previous studies on public transport use and elderly health were mostly observational studies using cross-sectional data. Few studies have examined the before-and-after effects of a new metro, for example, to see if it leads to improved elderly health. Methods and analysis We use a new metro line in Hong Kong as a natural experiment to examine the impact of the metro-led public transport intervention on elderly health. In Hong Kong, more than 90% of daily travels are made by public transport. The public transport modifications consist of the new metro line with eight stations and changes in the walking environment and bus services around the stations. We will look at the before-and-after differences in public transport use and health outcomes between elderly participants living in treatment neighbourhoods (400 m walking buffered areas of the new metro stations) and in control groups (living in comparable areas but unaffected by the new metro). Questionnaire-based baseline data were collected in 2019 before the COVID-19 pandemic, while some qualitative interviews are ongoing. Amid the pandemic, we conducted a quick telephone-based survey of COVID-19’s potential impact on public transport use behaviours of our elderly cohort in September 2020. Note there is no lockdown in Hong Kong until the writing of the paper (January 2021). After the new metro opens, we will conduct a follow-up survey, tentatively in late 2022. We aim to investigate if the new metro and the associated changes in the built environment have any effects on public transport use behaviours, physical activity and wider health outcomes among the elderly (eg, social inclusion, quality of life, subjective well-being). Ethics and dissemination The Human Research Ethics Committee of the University of Hong Kong reviewed and approved the study procedures and materials (reference number: EA1710040). Results will be communicated through scientific papers and research reports. | - |
dc.language | eng | - |
dc.publisher | BMJ Publishing Group: BMJ Open. The Journal's web site is located at http://bmjopen.bmj.com | - |
dc.relation.ispartof | BMJ Open | - |
dc.rights | This work is licensed under a Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License. | - |
dc.subject | mental health | - |
dc.subject | public health | - |
dc.subject | statistics & research methods | - |
dc.title | Metro and elderly health in Hong Kong: protocol for a natural experiment study in a high-density city | - |
dc.type | Article | - |
dc.identifier.email | Sun, G: gbsun@hku.hk | - |
dc.identifier.email | Ni, MY: nimy@hku.hk | - |
dc.identifier.email | Webster, C: cwebster@hku.hk | - |
dc.identifier.authority | Sun, G=rp02274 | - |
dc.identifier.authority | Ni, MY=rp01639 | - |
dc.identifier.authority | Webster, C=rp01747 | - |
dc.description.nature | published_or_final_version | - |
dc.identifier.doi | 10.1136/bmjopen-2020-043983 | - |
dc.identifier.pmid | 33737434 | - |
dc.identifier.pmcid | PMC7978095 | - |
dc.identifier.scopus | eid_2-s2.0-85102994133 | - |
dc.identifier.hkuros | 323697 | - |
dc.identifier.volume | 11 | - |
dc.identifier.issue | 3 | - |
dc.identifier.spage | article no. e043983 | - |
dc.identifier.epage | article no. e043983 | - |
dc.identifier.isi | WOS:000631525800020 | - |
dc.publisher.place | United Kingdom | - |