Hui Luan
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View article: A Primer on Word Embeddings: AI Techniques for Text Analysis in Social Work
A Primer on Word Embeddings: AI Techniques for Text Analysis in Social Work Open
Word embeddings represent a transformative technology for analyzing text data in social work research, offering sophisticated tools for understanding case notes, policy documents, research literature, and other text-based materials. This m…
View article: Demystifying Application Programming Interfaces (APIs): Unlocking the Power of Large Language Models and Other Web-based AI Services in Social Work Research
Demystifying Application Programming Interfaces (APIs): Unlocking the Power of Large Language Models and Other Web-based AI Services in Social Work Research Open
Application Programming Interfaces (APIs) are essential tools for social work researchers aiming to harness advanced technologies like Large Language Models (LLMs) and other AI services. This paper demystifies APIs and illustrates how they…
View article: A CRISPR/Cas12a-assisted rapid detection platform by biosensing the apxIVA of Actinobacillus pleuropneumoniae
A CRISPR/Cas12a-assisted rapid detection platform by biosensing the apxIVA of Actinobacillus pleuropneumoniae Open
Actinobacillus pleuropneumoniae is an important respiratory pig pathogen that causes substantial losses in the worldwide swine industry. Chronic or subclinical infection with no apparent clinical symptoms poses a challenge for preventing t…
View article: County-Level Spatiotemporal Patterns of New HIV Diagnoses and Pre-exposure Prophylaxis (PrEP) Use in Mississippi, 2014–2018: A Bayesian Analysis of Publicly Accessible Censored Data
County-Level Spatiotemporal Patterns of New HIV Diagnoses and Pre-exposure Prophylaxis (PrEP) Use in Mississippi, 2014–2018: A Bayesian Analysis of Publicly Accessible Censored Data Open
In the South region of the United States, HIV is disproportionately high and levels of pre-exposure prophylaxis (PrEP) use, which is highly effective in reducing the risk of acquiring HIV, are among the lowest across the country. Simultane…
View article: Is race-specific neighborhood social cohesion key to reducing racial disparities in late HIV diagnosis: A multiyear ecological study
Is race-specific neighborhood social cohesion key to reducing racial disparities in late HIV diagnosis: A multiyear ecological study Open
We examined whether race/ethnic-specific social cohesion is associated with race/ethnic-specific HIV diagnosis rates using Bayesian space-time zero-inflated Poisson multivariable models, across 376 Census tracts. Social cohesion data were …
View article: Rethinking walkability and developing a conceptual definition of active living environments to guide research and practice
Rethinking walkability and developing a conceptual definition of active living environments to guide research and practice Open
Background Walkability is a popular term used to describe aspects of the built and social environment that have important population-level impacts on physical activity, energy balance, and health. Although the term is widely used by resear…
View article: Urban form in Canada at a small-area level: Quantifying “compactness” and “sprawl” with bayesian multivariate spatial factor analysis
Urban form in Canada at a small-area level: Quantifying “compactness” and “sprawl” with bayesian multivariate spatial factor analysis Open
Quantifying urban forms to explore urban compactness or sprawl has become increasingly popular in multiple fields in the past decades. However, previous studies predominantly analyze the multidimensional phenomenon at large-area levels suc…
View article: HIV Infection Prevalence Significantly Intersects With COVID-19 Infection At the Area Level: A US County-Level Analysis
HIV Infection Prevalence Significantly Intersects With COVID-19 Infection At the Area Level: A US County-Level Analysis Open
Background: Limited empirical evidence exists about the extent to which the current HIV epidemic intersects with COVID-19 infections at the area/geographic level. Moreover, little is known about how demographic, social, economic, behaviora…
View article: Predicting lying, sitting, walking and running using Apple Watch and Fitbit data
Predicting lying, sitting, walking and running using Apple Watch and Fitbit data Open
Objectives This study’s objective was to examine whether commercial wearable devices could accurately predict lying, sitting and varying intensities of walking and running. Methods We recruited a convenience sample of 49 participants (23 m…
View article: Reliability and Validity of Commercially Available Wearable Devices for Measuring Steps, Energy Expenditure, and Heart Rate: Systematic Review
Reliability and Validity of Commercially Available Wearable Devices for Measuring Steps, Energy Expenditure, and Heart Rate: Systematic Review Open
Background Consumer-wearable activity trackers are small electronic devices that record fitness and health-related measures. Objective The purpose of this systematic review was to examine the validity and reliability of commercial wearable…
View article: Reliability and Validity of Commercially Available Wearable Devices for Measuring Steps, Energy Expenditure, and Heart Rate: Systematic Review (Preprint)
Reliability and Validity of Commercially Available Wearable Devices for Measuring Steps, Energy Expenditure, and Heart Rate: Systematic Review (Preprint) Open
BACKGROUND Consumer-wearable activity trackers are small electronic devices that record fitness and health-related measures. OBJECTIVE The purpose of this systematic review was to examine the validity and reliability of commercial weara…
View article: Urban Sprawl Index for Canada
Urban Sprawl Index for Canada Open
The objective this research is to develop a multi-dimensional, nationwide urban sprawl index for Canada at a small-area level (i.e., Census Tract, CT) using spatial statistical modelling, filling the gap that a comprehensive urban sprawl i…
View article: Using machine learning methods to predict physical activity types with Apple Watch and Fitbit data using indirect calorimetry as the criterion.
Using machine learning methods to predict physical activity types with Apple Watch and Fitbit data using indirect calorimetry as the criterion. Open
Background There is considerable promise for using commercial wearable devices for measuring physical activity at the population level. The objective of this study was to examine whether commercial wearable devices could accurately predict…
View article: Model and code for "The spatial structure of socioeconomic disadvantage: a Bayesian multivariate spatial factor analysis"
Model and code for "The spatial structure of socioeconomic disadvantage: a Bayesian multivariate spatial factor analysis" Open
This repository contains the data, model code, and initial values for a spatial factor analysis model described in: The spatial structure of socioeconomic disadvantage: a Bayesian multivariate spatial factor analysis. International Journal…
View article: A scoping review of WeChat to facilitate professional healthcare education in Mainland China
A scoping review of WeChat to facilitate professional healthcare education in Mainland China Open
This scoping review addressed a large gap in knowledge about the usage of WeChat in professional healthcare education. Of the existing studies identified, we observed considerable promise for future practice. We provide additional suggesti…
View article: Impact of a public transit strike on public bicycle share use: An interrupted time series natural experiment study
Impact of a public transit strike on public bicycle share use: An interrupted time series natural experiment study Open
Promoting active transportation is an important public health objective. Limited research has examined the potential of interventions that highly constrain transportation and their potential impact on cycling. From November 1-7th, 2016, Ph…
View article: Geographic Clustering of Admissions to Inpatient Psychiatry among Adults with Cognitive Disorders in Ontario, Canada: Does Distance to Hospital Matter?
Geographic Clustering of Admissions to Inpatient Psychiatry among Adults with Cognitive Disorders in Ontario, Canada: Does Distance to Hospital Matter? Open
Objective: This study examined relationships among hospital accessibility, socio-economic context, and geographic clustering of inpatient psychiatry admissions for adults with cognitive disorders in Ontario, Canada. Method: A retrospective…
View article: Spatial and spatio-temporal analyses of neighborhood retail food environments: evidence for food planning and interventions
Spatial and spatio-temporal analyses of neighborhood retail food environments: evidence for food planning and interventions Open
The food system has been increasingly recognized as an indispensable component in professional planning in Canada. As its retailing part, the Retail Food Environment (RFE) has recently gained considerable attention, since it plays an impor…
View article: Analyzing Local Spatio-Temporal Patterns of Police Calls-for-Service Using Bayesian Integrated Nested Laplace Approximation
Analyzing Local Spatio-Temporal Patterns of Police Calls-for-Service Using Bayesian Integrated Nested Laplace Approximation Open
This research investigates spatio-temporal patterns of police calls-for-service in the Region of Waterloo, Canada, at a fine spatial and temporal resolution. Modeling was implemented via Bayesian Integrated Nested Laplace Approximation (IN…
View article: Managerial risk preference and its influencing factors: analysis of large state-owned enterprises management personnel in China
Managerial risk preference and its influencing factors: analysis of large state-owned enterprises management personnel in China Open
Using the managerial risk preference scale, the managerial risk preferences of 308 state-owned enterprises (SOEs) management personnel in China are investigated. The results show that older management personnel are more risk averse. Manage…
View article: Spatial Patterns of Ischemic Heart Disease in Shenzhen, China: A Bayesian Multi-Disease Modelling Approach to Inform Health Planning Policies
Spatial Patterns of Ischemic Heart Disease in Shenzhen, China: A Bayesian Multi-Disease Modelling Approach to Inform Health Planning Policies Open
Incorporating the information of hypertension, this paper applies Bayesian multi-disease analysis to model the spatial patterns of Ischemic Heart Disease (IHD) risks. Patterns of harmful alcohol intake (HAI) and overweight/obesity are also…