Tomoki Nakaya

Tomoki Nakaya
Tohoku University | Tohokudai · Graduate School of Environmental Studies

BS, MSc, Ph.D.

About

252
Publications
59,726
Reads
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3,972
Citations
Introduction
Geographer with special interests in crime and health geographies as well as general spatial analysis in a GIS environment.
Additional affiliations
April 2018 - March 2020
Tohoku University
Position
  • Professor (Full)
April 2005 - March 2018
Ritsumeikan University
Position
  • Managing Director
April 1997 - March 2018
Ritsumeikan University
Position
  • Professor (Full)

Publications

Publications (252)
Article
Abstract For an effective interpretation of spatio-temporal patterns of crime clusters/hotspots, we explore the possibility of three-dimensional mapping of crime events in a space-time cube with the aid of space-time variants of kernel density estimation and scan statistics. Using the crime occurrence dataset of snatch-and-run offences in Kyoto Cit...
Chapter
Full-text available
Using the recently developed D GIS (Geographic Information System) and related visualisation technologies, we have created a digital diorama of an entire historical city, which can be used to virtually travel through different realistic landscapes at different times in the history. The digital diorama called Virtual Kyoto is the virtual geographic...
Book
This new health atlas of Japan presents a series of maps about the health of the contemporary Japanese population, i.e. detailed maps of health indicators in small areas using cartograms. This is the first comprehensive small-area based health atlas about contemporary Japan using vital statistics from 1995-2014. Each map is supplemented with concis...
Article
Full-text available
To reduce vaccine hesitancy, it is important to identify factors that can intervene at the individual or community level. Social capital is a possible factor because it is associated with various vaccine hesitancy, such as for measles and influenza. However, limited studies have explored the association between social capital and vaccination for CO...
Article
Full-text available
Exploratory spatial data analysis (ESDA) plays a key role in research that includes geographic data. In ESDA, analysts typically need to visualize observations and local relationships on a map. However, software dedicated to visualizing local degrees of association between multiple variables in high-dimensional geospatial datasets remains undevelop...
Article
Full-text available
Background Facing a global epidemic of new infectious diseases such as COVID-19, non-pharmaceutical interventions (NPIs), which reduce transmission rates without medical actions, are being implemented around the world to mitigate spreads. One of the problems in assessing the effects of NPIs is that different NPIs have been implemented at different...
Article
Objectives Contact tracing for COVID-19 relies heavily on the cooperation of individuals with authorities to provide information of contact persons. However, few studies have clarified willingness to cooperate and motivation to provide information for contact tracing. This study sought to describe willingness to cooperate and motivation to report c...
Article
Full-text available
Evidence suggests that street connectivity is associated with physical activity, yet few studies have estimated its associations with sedentary behaviour. We estimated the associations between street connectivity (space syntax derived street integration) and sedentary behaviours among Canadian adults. Data were from Alberta’s Tomorrow Project (n=14...
Article
Full-text available
Background Among high-income countries, Japan has a low prevalence of obesity, but little is understood about subnational trends and variations in body mass index (BMI), largely owing to the lack of data from representative samples of prefectures. We aimed to examine long-term trends and distributions of adult BMI at the prefecture level in Japan f...
Article
Objectives Some epidemiological studies of older American adults have reported a relationship between life-space mobility (LSM) and mortality. However, these studies did not show a dose-response relationship and did not include individuals from other countries. Therefore, we evaluated the dose-response relationship between LSM and mortality in olde...
Article
Full-text available
In the context of rapid urbanization, public open spaces in dense urban areas are critical built environment elements to support active lifestyles. Several reviews have explored the associations of public open space attributes with physically active and sedentary behavior. However, few reviews have included studies from Asia, and no studies have fo...
Article
Full-text available
There has been growing interest in the role of pet ownership, particularly dog ownership, in managing noncommunicable diseases. The built environment can act as a facilitator or barrier to owning a dog or dog walking. Nevertheless, limited studies conducted in different geographical contexts have examined how the built environment can influence dog...
Article
Full-text available
Background: Many epidemiological studies have reported the association between exposure to particulate matter and mortality, but long-term prospective studies from Asian populations are sparse. Furthermore, associations at low levels of air pollution are not well clarified. Here, we evaluated associations between long-term exposure to particulate...
Article
Full-text available
The workplace spatial environment has been identified as one of the correlates of workers’ active and sedentary behaviours. This study examined the associations of perceived workplace layout design with workers’ active and sedentary behaviour in office workers in Japan. Participants in this study (n=2,265) were recruited from a nationwide online su...
Data
Source: https://www.behealthylivinglab.com/post/dog-walking-dog-ownership-social-capital
Data
Source: https://www.behealthylivinglab.com/post/dog-walking-dog-ownership-social-capital
Article
Full-text available
Geographically Weighted Regression (GWR) is increasingly used in spatial analyses of social and environmental data. It allows spatial heterogeneities in processes and relationships to be investigated through a series of local regression models rather than a single global one. Standard GWR assumes that relationships between the response and predicto...
Article
Full-text available
Workplace settings – both internal and external – can influence the extent to which workers are physically active or sedentary. Although research has identified some indoor environmental attributes associated with sitting at work, few studies have examined associations of workplace neighbourhood built-environment attributes with workplace sitting t...
Article
PM2.5 is a major environmental health problem and a risk factor for lung cancer. Exposure to PM2.5 has attracted growing public concern nationwide. Here, we aimed to estimate the cancer in 2015 attributable to PM2.5 in Japan. Ambient air pollution level due to excess concentration of PM2.5 was estimated using geophysically based satellite-derived P...
Data
Source: https://www.behealthylivinglab.com/post/built-environment-design-cancer-prevention-inequality
Data
Source: https://www.behealthylivinglab.com/post/built-environment-design-cancer-prevention-inequality
Article
Full-text available
Vaccine hesitancy regarding the coronavirus disease 2019 (COVID-19) vaccine is widespread during the COVID-19 pandemic. Many recent studies have reported that the confidence of the vaccination and perceived risk were associated with vaccination intent, yet few studies have focused on other psychological factors. This study aimed to clarify the tren...
Article
Full-text available
Studies from many countries, including Japan, have reported decreased physical activity during the coronavirus disease 2019 (COVID-19) pandemic. However, the individual attributes as related to changes in physical activity during the pandemic in Japan have been scarcely investigated. The present study explored the relationships among individual att...
Article
Full-text available
S Background Area differences in life expectancy (LE) and healthy life expectancy (HLE) in large geographical units have been monitored around the world. Area characteristics may be based on culture, history, socioeconomic status and discrimination in smaller geographical units, so it is important to consider these when looking at health inequalit...
Article
Background Consistent and comparable health information across prefectures is necessary for monitoring progress in improving population health and reducing geographic health disparities in Japan. We aimed to examine long-term trends and variations in adult body mass index (BMI) by prefecture. Methods We obtained a total sample of 233,988 males and...
Article
Background During the long-term economic recession, health inequalities have been concerned in Japan. Among cancer mortality rates, the widest socioeconomic inequalities of municipal mortality was observed in lung cancer. Our aim was to examine the trends in the inequality by sex and age group. Methods We used the areal deprivation index (ADI) to...
Conference Paper
Full-text available
This study builds a bridge between the literatures for geographically weighted regression (GWR) and compositional data analysis (CoDA). GWR allows the modeling of spatial heterogeneity in regression models and is increasingly used in various fields. CoDA provides unique and useful tools for compositional data, which are restricted by a constant-sum...
Article
Full-text available
No previous study has ever explored the association between coastal exposure and the mental health of residents in a post-disaster context. Therefore, we aimed to confirm whether there was an association between sea visibility and coastal proximity and the mental health of coastal residents a devastating tsunami. We targeted 15 coastal municipaliti...
Article
Full-text available
In this interdisciplinary article, we provided an evidence-based discussion on the role of the supportive built environment on cancer prevention. We also extended the theoretical thinking on the built environment-cancer links by raising possible equality challenges. Following the recent call in population-level interventions in cancer prevention, o...
Article
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Objectives. To examine the associations between domain-specific sedentary and active behaviours and workers’ presenteeism and absenteeism in a sample of company employees. Methods. This study recruited participants (n=2,466) from a nationwide online survey database (Japan,2019). Participants completed a questionnaire that captured data on relativ...
Article
Full-text available
Okinawa Island, Japan, is a globally important biodiversity hotspot. Three endemic bird species, Okinawa rail (Hypotaenidia okinawae), Okinawa woodpecker (Dendrocopos noguchii), and Okinawa robin (Larvivora namiyei), are found only in the Yambaru region of the northern part of Okinawa Island. In order to conserve endemic species, it is important to...
Article
Full-text available
A rapidly growing body of literature has explored associations between built environment attributes, which are conducive to walking, and social capital. The current study aimed to build on the limitations of previous research. Specifically, this study estimated the associations between traditional and novel walkable built environment metrics and so...
Article
The proliferation of squatter settlements in many cities is an example of increasing social inequality and associated residential segregation. Squatter settlements are known to reduce house prices nearby, but we find that their effects are far from homogeneous in the city. To identify such varying effects, we used geographically weighted regression...
Article
Full-text available
Environmental equity (EE) has become internationally recognized as an important research field, but in Japan limited quantitative research is available. In this paper we report the results of a quantitative study that tested whether objective and perceived accessibility to parks is disproportionately distributed between the affluent and the poor in...
Preprint
Full-text available
Background Although a causal relationship between mesothelioma and asbestos exposure is well known, few studies have shown a relationship to non-occupational exposure, including neighborhood exposure, most likely because of the large effect size of occupational exposure. The aim of this study was to quantify the risk of malignant mesothelioma death...
Preprint
Background: Although a causal relationship between mesothelioma and asbestos exposure is well known, few studies have shown a relationship to non-occupational exposure, including neighborhood exposure, most likely because of the large effect size of occupational exposure. The aim of this study was to quantify the risk of malignant mesothelioma deat...
Article
Full-text available
Evidence for social pathways to health benefits for dog owners appears positive but less well developed. Our study aimed to estimate the differences in social capital by dog ownership and dog walking status among young-to-middle aged adults and older adults in Japan. Data from 3,606 residents living in Japan were used. Data on social capital, dog o...
Article
Full-text available
Walk Score® is a free web-based tool that provides a walkability score for any given location. A limited number of North American studies have found associations between Walk Score® and perceived built environment attributes, yet it remains unknown whether similar associations exist in Asian countries. The study’s objective is to examine the covari...
Article
Full-text available
Despite the increasing knowledge on the association between neighborhood and health, few studies have investigated sleep disorders in Japan, particularly the impact of neighborhood noise on sleep. Thus, this study aimed to investigate the associations between insomnia symptoms and annoyance because of traffic and neighborhood noise in Japan, which...
Article
Full-text available
Few longitudinal residential relocation studies have explored associations between urban form and physical activity, and none has used the Space Syntax theory. Using a Canadian longitudinal dataset (n=5944), we estimated: 1) differences in physical activity between non-movers, and those relocating to neighbourhoods with less or more integrated stre...
Article
Full-text available
Background: As the COVID-19 pandemic spread, the Japanese government declared a state of emergency on April 7, 2020 for seven prefectures, and on April 16, 2020 for all prefectures. The Japanese Prime Minister and governors requested people to adopt self-restraint behaviors, including working from home and refraining from visiting nightlife spots....
Article
Full-text available
In this interdisciplinary paper, we have identified key issues involved in the current knowledge on the built environments that support active behaviour and socioeconomic status disparity in cardiovascular disease and proposed future directions to further this research agenda.
Article
Full-text available
Objectives We aimed to identify the concerns, current implementation status and correct usage, and factors inhibiting implementation and correct use of a COVID-19 contact tracing application among the ordinary citizens in Japan. Study design This was a cross-sectional study based on an internet survey completed by 2,013 participants who were selec...
Article
Full-text available
Background: Sedentary behaviors and physical activity are likely to be affected by the COVID-19 outbreak, and sedentary lifestyles can increase subjective fatigue. The nonpharmaceutical policies imposed as a result of the COVID-19 pandemic may also have adverse effects on fatigue. Objective: This study has two aims: to examine the changes in seden...
Article
Full-text available
Vaccination could be a key protective measure against coronavirus disease 2019 (COVID-19), and it is important to understand the acceptability of the COVID-19 vaccine among the general public. However, there is no study on the acceptance of a COVID-19 vaccine in Japan. Therefore, this study aimed to describe the COVID-19 vaccine acceptance and hesi...
Preprint
Facing a global epidemic of new infectious diseases such as COVID-19, non-pharmaceutical interventions (NPIs), which reduce transmission rates without medical actions, are being implemented around the world to mitigate spreads. One of the problems in assessing the effects of NPIs is that different NPIs have been implemented at different times based...
Article
Full-text available
Following the first wave of the COVID-19 outbreak, the Japanese government announced the declaration of a state of emergency in April 2020, which aimed to decrease contact between people and requested that residents refrain from outings. Even in the absence of penalties, outings decreased under the declaration. We are interested in how outings decl...
Article
Background : Recent studies indicate an urgent need to take action against mental health issues during the COVID-19 pandemic. However, the association between larger-scale environmental factors such as living conditions and mental health problems during the pandemic is currently unknown. Methods : A nationwide, cross-sectional internet survey was...
Article
Most walkability indices do not capture the topological structure of urban forms. Space syntax concept models these topological relationships. We estimated associations between the space syntax measure of street integration and walkability (SSW) and neighborhood-specific leisure (LW) and transportation (TW) walking among 4422 Canadian adults. Stree...
Article
Full-text available
Background. Several non-pharmaceutical policies, which include stay-at-home orders, mobility re-strictions, and quarantine, have been implemented to reduce the spread of COVID-19. The present study examines workstyle changes among company workers after COVID-19 and analyses their effects on workers’ domain-specific sedentary and active behaviours....
Article
Full-text available
Understanding spatial interactions such as human mobility has been one of the main analytical themes in geography, spatial economics, and traffic engineering for a long time. The intervening opportunities models, including the radiation model, provide a framework to elucidate spatial interactions generated by an individual’s distance-ordered decisi...
Preprint
Full-text available
Exploratory spatial data analysis (ESDA) plays a key role in research that includes geographic data. In ESDA, analysts often want to be able to visualize observations and local relationships on a map. However, software dedicated to visualizing local spatial relations be-tween multiple variables in high dimensional datasets remains undeveloped. This...
Article
Full-text available
Studies have reported that many people changed their going-out behavior in response to the declaration of a state of emergency related to the coronavirus disease 2019 (COVID-19) in Japan. However, individual attributes of those who tended to stay home have not been examined. Therefore, this study examined the demographic, socioeconomic, and geograp...
Article
Full-text available
The purpose of this study was to visualize how regional differences observed from the population census deviate from their “true” forms due to an increase in unreported (missing) cases by considering multiple scenarios in which there was an increase in the number of unreported cases in the census. For municipalities in the Tokyo metropolitan area,...