About
21
Publications
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Introduction
I am a data scientist with 6+ years of post-doctoral experience in research and development involving complex, high-dimensional behavioral, health and clinical data. In recent years, I worked on deciphering digital biomarkers of mental, neurocognitive, and cardiometabolic disorders from wearable sensor data.
Additional affiliations
July 2012 - December 2017
December 2013 - March 2015
Publications
Publications (21)
Background:
Depression is a prevalent mental disorder that is undiagnosed and untreated in half of all cases. Wearable activity trackers collect fine-grained sensor data characterizing the behavior and physiology of users (ie, digital biomarkers), which could be used for timely, unobtrusive, and scalable depression screening.
Objective:
The aim of...
Background
Continuous assessment and remote monitoring of cognitive function in individuals with mild cognitive impairment (MCI) enables tracking therapeutic effects and modifying treatment to achieve better clinical outcomes. While standardized neuropsychological tests are inconvenient for this purpose, wearable sensor technology collecting physio...
The use of social network sites helps people to make and maintain social ties accumulating social capital, which is increasingly important for individual success. There is a wide variation in the amount and structure of online ties, and to some extent this variation is contingent on specific online user behaviors which are to date under-researched....
Background
Greater adoption of wearable devices with multiple sensors may enhance personalized health monitoring, facilitate early detection of some diseases, and further scale up population health screening. However, few studies have explored the utility of data from wearable fitness trackers in cardiovascular and metabolic disease risk prediction...
Indoor environmental quality (IEQ) is a general indicator of the quality of conditions inside a building. We investigated associations of perceived IEQ including air quality, thermal comfort, noise, and light quality with stress at work and the extent to which workplace location modifies these associations. We recruited 464 full‐time workers from f...
UNSTRUCTURED
Recent developments and the rapid spread of COVID-19 has necessitated the evaluation and adoption of digital technologies to help contain, trace and monitor the spread of disease. Wearable activity trackers (WATs) are one such channel which may provide valuable data and insights as to population spread of disease. This viewpoint explor...
Developing underground spaces serves a range of common urban functions, including workspaces. However, underground workplaces, work-related factors and the indoor environmental quality (IEQ) parameters within them may negatively affect worker’s mental health. This study assessed the prevalence of psychological distress with repeated measures over t...
Background
We aimed to examine the association between shift work and sleep quality in a diverse occupational type.
Methods
This was a cross-sectional study of self-reported sleep quality in 424 workers aged ≥21 using the Pittsburgh Sleep Quality Index (PSQI). We divided workers into two categories based on their PSQI score: (a) ≤5 (good sleep qua...
Introduction
Rapid advancements in technology and the ubiquity of personal mobile digital devices have brought forth innovative methods of acquiring healthcare data. Smartphones can capture vast amounts of data both passively through inbuilt sensors or connected devices and actively via user engagement. This scoping review aims to evaluate evidence...
This study aims to explore if objectively and subjectively measured sleep parameters are associated with physical and mental health-related quality of life in a multiethnic working population in Singapore. We performed a cross-sectional analysis with data from 329 full-time employees enrolled in a workplace cohort study in Singapore. The Short-Form...
Synthesizing evidence from randomized controlled trials of digital health education poses some challenges. These include a lack of clear categorization of digital health education in the literature; constantly evolving concepts, pedagogies, or theories; and a multitude of methods, features, technologies, or delivery settings. The Digital Health Edu...
An important role of digital inequality for hindering the development of civil society is being increasingly acknowledged. Simultaneously, differences in availability and the practices of use of social network sites (SNS) may be considered as major manifestations of such digital divide. While SNS are in principle highly convenient spaces for public...
With rapid growth of online social network sites, the issue of health-related online communities and its social and behavioral implications has become increasingly important for public health. Unfortunately, online communities often become vehicles for promotion of pernicious misinformation, in particular, that HIV virus is a myth (AIDS denialism)....
Internet Studies is an interdisciplinary and multidisciplinary field of fundamental and applied research that integrates different research disciplines with a common object, that is, the Internet. This review article gives a definition and a brief description of the structure of Internet Studies as part of the social sciences, and introduces the re...
With the rapid growth of online social network sites (SNS), the issue of health-related online communities and its social and behavioral outcomes has become increasingly popular in Internet studies and sociology of health and medicine. This paper presents the results of empirical study investigating the structure of the 'friendship' networks and pa...
The availability of large urban social media data creates new opportunities for studying cities. In our paper we propose a new direction for this research: a joint analysis of geolocations of shared images and their content as determined by computer vision. To test our ideas, we use a dataset of 47,410 Instagram images shared in the city of St.Pete...
Background: The rise of social media proved to be a fertile ground for the expansion of the acquired immune deficiency syndrome (AIDS)-denialist movement (in the form of online communities). While there is substantial literature devoted to disproving AIDS-denialist views, there is a lack of studies exploring AIDS-denialists online communities that...