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59 Results Found

  • Article
  • Open Access
28 Citations
6,317 Views
19 Pages

A Dynamical and Zero-Inflated Negative Binomial Regression Modelling of Malaria Incidence in Limpopo Province, South Africa

  • Gbenga J. Abiodun,
  • Olusola S. Makinde,
  • Abiodun M. Adeola,
  • Kevin Y. Njabo,
  • Peter J. Witbooi,
  • Ramses Djidjou-Demasse and
  • Joel O. Botai

Recent studies have considered the connections between malaria incidence and climate variables using mathematical and statistical models. Some of the statistical models focused on time series approach based on Box–Jenkins methodology or on dyna...

  • Article
  • Open Access
3 Citations
1,761 Views
13 Pages

Modeling the Cigarette Consumption of Poor Households Using Penalized Zero-Inflated Negative Binomial Regression with Minimax Concave Penalty

  • Yudhie Andriyana,
  • Rinda Fitriani,
  • Bertho Tantular,
  • Neneng Sunengsih,
  • Kurnia Wahyudi,
  • I Gede Nyoman Mindra Jaya and
  • Annisa Nur Falah

20 July 2023

The cigarette commodity is the second largest contributor to the food poverty line. Several aspects imply that poor people consume cigarettes despite having a minimal income. In this study, we are interested in investigating factors influencing poor...

  • Article
  • Open Access
3 Citations
3,914 Views
32 Pages

Over the last two decades, a growing number of works in urban studies have revealed how micro-retail distribution is significantly related to specific properties of the urban built environment. While a wide variety of urban form measures have been in...

  • Article
  • Open Access
5 Citations
3,795 Views
18 Pages

The Determinants of Helpful Hotel Reviews: A Social Influence Perspective

  • Yukyung Son,
  • Kyungmo Kang,
  • Ilyoung Choi and
  • Jaekyeong Kim

10 November 2022

Online hotel reviews regarding specific experiences and the sensibility of hotel reviewers are important sources of information for consumers who want to book hotels in the future. However, since thousands of reviews are written for one hotel, it is...

  • Article
  • Open Access
28 Citations
5,703 Views
12 Pages

This cross-sectional descriptive study identified risk factors and predictors related to the perpetration of and potential for cyberbullying among adolescents, respectively. The analysis included a zero-inflated negative binomial regression model. Da...

  • Article
  • Open Access
11 Citations
3,075 Views
27 Pages

11 December 2020

The identification of changes in the ice phenomena (IP) in rivers is a significant element of analyses of hydrological regime features, of the risk of occurrence of ice jam floods, and of the ecological effects of river icing (RI). The research here...

  • Article
  • Open Access
2 Citations
3,467 Views
19 Pages

1 November 2023

Statistical data indicate that trucks are more prone to rear-end crashes, making this an area of concern. The objective of this study is to create a model that analyzes the factors influencing the frequency of rear-end crashes involving trucks (TIRC)...

  • Article
  • Open Access
2 Citations
4,217 Views
18 Pages

10 June 2022

With the popularity of big data analysis with insurance claim count data, diverse regression models for count response variable have been developed. However, there is a multicollinearlity issue with multivariate input variables to the count response...

  • Article
  • Open Access
1,196 Views
21 Pages

1 November 2025

Datasets with many zero outcomes are common in real-world studies and often exhibit overdispersion and strong correlations among predictors, creating challenges for standard count models. Traditional approaches such as the Zero-Inflated Poisson (ZIP)...

  • Article
  • Open Access
2 Citations
3,344 Views
15 Pages

This article provides an overview of count data and count models, explores zero inflation, introduces likelihood ratio tests, and explains how the Vuong test can be used as a model selection criterion for assessing overdispersion. The motivation of t...

  • Article
  • Open Access
2,657 Views
18 Pages

Social Response and Measles Dynamics

  • Atinuke O. Adebanji,
  • Franz Aschl,
  • Ednah Chepkemoi Chumo,
  • Emmanuel Odame Owiredu,
  • Johannes Müller and
  • Tukae Mbegalo

29 November 2023

Measles remains one of the leading causes of death among young children globally, even though a safe and cost-effective vaccine is available. Vaccine hesitancy and social response to vaccination continue to undermine efforts to eradicate measles. In...

  • Article
  • Open Access
1 Citations
2,109 Views
23 Pages

This study evaluates the performance of count regression models in the presence of zero inflation, outliers, and overdispersion using both simulated and real-world maternal mortality dataset. Traditional Poisson and negative binomial regression model...

  • Article
  • Open Access
6 Citations
4,969 Views
17 Pages

Analysis of the Railway Accident-Related Damages in South Korea

  • Man Sik Park,
  • Jin Ki Eom,
  • Jungsoon Choi and
  • Tae-Young Heo

8 December 2020

Railway accidents are critical issues characterized by a large number of injuries and fatalities per accident due to massive public transport systems. This study proposes a new approach for evaluating the damages resulting from railway accidents usin...

  • Article
  • Open Access
8 Citations
7,224 Views
19 Pages

This study describes four statistical models—Poisson; Negative Binomial; Zero-Inflated Poisson; and Zero-Inflated Negative Binomial—which were devised in order to examine traffic accidents and estimate the best probability estimating model in terms...

  • Article
  • Open Access
22 Citations
4,932 Views
10 Pages

Deforestation Increases the Risk of Scrub Typhus in Korea

  • Kyung-Duk Min,
  • Ju-Yeun Lee,
  • Yeonghwa So and
  • Sung-il Cho

Background: Scrub typhus is an important public health issue in Korea. Risk factors for scrub typhus include both individual-level factors and environmental drivers, and some are related to the increased density of vector mites and rodents, the natur...

  • Article
  • Open Access
36 Citations
7,635 Views
15 Pages

A Simple and Adaptive Dispersion Regression Model for Count Data

  • Hadeel S. Klakattawi,
  • Veronica Vinciotti and
  • Keming Yu

22 February 2018

Regression for count data is widely performed by models such as Poisson, negative binomial (NB) and zero-inflated regression. A challenge often faced by practitioners is the selection of the right model to take into account dispersion, which typicall...

  • Article
  • Open Access
5 Citations
4,859 Views
30 Pages

21 November 2024

Road traffic crashes pose significant economic and public health burdens, necessitating an in-depth understanding of crash causation and its links to underlying factors. This study introduces a machine learning-based hurdle model framework tailored f...

  • Article
  • Open Access
2 Citations
3,117 Views
11 Pages

Studies suggest that intensive oral health promotion programs in the workplace reduce dental and medical care expenditures. The purpose of this longitudinal study was to evaluate the short version of an oral health promotion program in the workplace...

  • Article
  • Open Access
14 Citations
3,885 Views
15 Pages

Short- and Long-Term Effects of Drought on Selected Causes of Mortality in Northern Bangladesh

  • Intekhab Alam,
  • Shinji Otani,
  • Abir Nagata,
  • Mohammad Shahriar Khan,
  • Toshio Masumoto,
  • Hiroki Amano and
  • Youichi Kurozawa

Drought has exacerbated morbidity and mortality worldwide. Here, a time series study was conducted in northern Bangladesh to evaluate the impact of drought on selected causes of mortality during 2007–2017. Rainfall and temperature data from six...

  • Article
  • Open Access
29 Citations
11,195 Views
15 Pages

Nonlinear estimation of the gravity model with Poisson-type regression methods has become popular for modelling international trade flows, because it permits a better accounting for zero flows and extreme values in the distribution tail. Nevertheless...

  • Article
  • Open Access
2,676 Views
14 Pages

21 August 2023

Online health communities (OHC) consist of individuals with shared health-related interests who exchange health-related information among themselves and for the benefit of others. Unfortunately, a notable issue within these communities is the dissemi...

  • Article
  • Open Access
2 Citations
2,170 Views
11 Pages

Lack of Association between Antimicrobial Consumption and Antimicrobial Resistance in a HIV Preexposure Prophylaxis Population: A Cross-Sectional Study

  • Thibaut Vanbaelen,
  • Jolein Laumen,
  • Christophe Van Dijck,
  • Tessa De Block,
  • Sheeba Santhini Manoharan-Basil and
  • Chris Kenyon

16 February 2024

Background: In antibiotic naïve populations, there is a strong association between the use of an antimicrobial and resistance to this antimicrobial. Less evidence is available as to whether this relationship is weakened in populations highly exp...

  • Article
  • Open Access
1 Citations
1,206 Views
32 Pages

Random Forest Adaptation for High-Dimensional Count Regression

  • Oyebayo Ridwan Olaniran,
  • Saidat Fehintola Olaniran,
  • Ali Rashash R. Alzahrani,
  • Nada MohammedSaeed Alharbi and
  • Asma Ahmad Alzahrani

21 September 2025

The analysis of high-dimensional count data presents a unique set of challenges, including overdispersion, zero-inflation, and complex nonlinear relationships that traditional generalized linear models and standard machine learning approaches often f...

  • Article
  • Open Access
17 Citations
3,716 Views
21 Pages

Building upon institutional theory and the concept of openness to external sources in terms of breadth and depth, this study investigates the following three understudied drivers of eco-innovation in terms of external and internal factors: Anticipate...

  • Article
  • Open Access
1 Citations
1,420 Views
18 Pages

This study examines the availability and outcomes of Advanced Placement (AP) courses in secondary schools in Georgia (USA) and South Carolina (USA), focusing on how school locale (rurality) and demographic composition influence AP availability and st...

  • Article
  • Open Access
9 Citations
3,270 Views
17 Pages

The present study aims to examine whether multiple dietary factors affect the mental health of older adults amid the COVID-19 pandemic. It proposes an integrative dietary framework that highlights environmental, nutritional, and social aspects of die...

  • Article
  • Open Access
12 Citations
4,757 Views
13 Pages

Six Sigma in Health Literature, What Matters?

  • Ana-Beatriz Hernández-Lara,
  • Maria-Victoria Sánchez-Rebull and
  • Angels Niñerola

Six Sigma has been widely used in the health field for process or quality improvement, constituting a quite profusely investigated topic. This paper aims at exploring why some studies have more academic and societal impact, attracting more attention...

  • Article
  • Open Access
863 Views
14 Pages

Telomere Length and Emotional and Behavioral Problems in Children from the Prospective Birth Cohort INfancia y Medio Ambiente (INMA) Study

  • Irene Campos-Sánchez,
  • Eva María Navarrete-Muñoz,
  • Josep Xavier Barber-Valles,
  • Dries S. Martens,
  • Isolina Riaño-Galán,
  • Amaia Irizar,
  • Sabrina Llop,
  • Mónica Guxens,
  • Cristina Rodríguez-Dehli and
  • Izaro Babarro
  • + 4 authors

Background/Objectives: This study aimed to examine the association between leukocyte telomere length (TL) measured at ages 4 and 8 and emotional and behavioral problems at age 8. We also explored whether changes in leukocyte TL between ages 4 and 8 w...

  • Article
  • Open Access
4 Citations
2,884 Views
13 Pages

26 April 2019

Forests provide bird communities with various resources, including food and habitats. Thus, forest attributes, such as size, structure, and species composition, influence the distribution and dynamics of bird species. This study was conducted to exam...

  • Article
  • Open Access
32 Citations
7,410 Views
27 Pages

2 October 2020

Private car-use is a major contributor of greenhouse gases. Car-sharing is often hypothesised as a potential solution to reduce car-ownership, which can lead to car-sharing users reducing their car-use. However, there is a risk that car-sharing may a...

  • Article
  • Open Access
2 Citations
2,486 Views
24 Pages

Integration between Dockless Bike-Sharing and Buses: The Effect of Urban Road Network Characteristics

  • Zhaowei Yin,
  • Yuanyuan Guo,
  • Mengshu Zhou,
  • Yixuan Wang and
  • Fengliang Tang

5 August 2024

Globally, dockless bike-sharing (DBS) systems are acclaimed for their convenience and seamless integration with public transportation, such as buses and metros. While much research has focused on the connection between the built environment and the m...

  • Article
  • Open Access
5 Citations
2,845 Views
19 Pages

20 February 2024

Railroads play a pivotal role in the Korean national economy, necessitating a thorough understanding of factors influencing accidents for effective mitigation strategies. Unlike prior research focused on accident frequency and severity, this study de...

  • Article
  • Open Access
21 Citations
5,034 Views
19 Pages

Analysis of Crash Frequency and Crash Severity in Thailand: Hierarchical Structure Models Approach

  • Thanapong Champahom,
  • Sajjakaj Jomnonkwao,
  • Chinnakrit Banyong,
  • Watanya Nambulee,
  • Ampol Karoonsoontawong and
  • Vatanavongs Ratanavaraha

9 September 2021

Currently, research on the development of crash models in terms of crash frequency on road segments and crash severity applies the principles of spatial analysis and heterogeneity due to the methods’ suitability compared with traditional models. This...

  • Article
  • Open Access
5 Citations
3,366 Views
12 Pages

Occupational Branch and Labor Market Marginalization among Young Employees with Adult Onset of Attention Deficit Hyperactivity Disorder—A Population-Based Matched Cohort Study

  • Katalin Gémes,
  • Emma Björkenstam,
  • Syed Rahman,
  • Klas Gustafsson,
  • Heidi Taipale,
  • Antti Tanskanen,
  • Lisa Ekselius,
  • Ellenor Mittendorfer-Rutz and
  • Magnus Helgesson

We compared labor market marginalization (LMM), conceptualized as days of unemployment, sickness absence and disability pension, across occupational branches (manufacturing, construction, trade, finance, health and social care, and education), among...

  • Article
  • Open Access
2 Citations
689 Views
32 Pages

28 November 2025

Open spaces in housing estates are crucial for residents’ physical and mental well-being, especially when access to other public spaces is restricted (e.g., during a pandemic). While existing studies focus on public spaces, less is known about...

  • Article
  • Open Access
5 Citations
2,544 Views
26 Pages

Influence of Sociodemographic, Premorbid, and Injury-Related Factors on Post-Traumatic Stress, Anxiety, and Depression after Traumatic Brain Injury

  • Fabian Bockhop,
  • Katrin Cunitz,
  • Marina Zeldovich,
  • Anna Buchheim,
  • Tim Beissbarth,
  • York Hagmayer and
  • Nicole von Steinbuechel

6 June 2023

Psychopathological symptoms are common sequelae after traumatic brain injury (TBI), leading to increased personal and societal burden. Previous studies on factors influencing Post-traumatic Stress Disorder (PTSD), Generalized Anxiety Disorder (GAD),...

  • Article
  • Open Access
3 Citations
2,551 Views
8 Pages

Patient-Reported Outcomes in Cancer Patients with HIV

  • Anna E. Coghill,
  • Naomi C. Brownstein,
  • Sweta Sinha,
  • Zachary J. Thompson,
  • Brittney L. Dickey,
  • Aasha I. Hoogland,
  • Peter A. Johnstone,
  • Gita Suneja and
  • Heather S. Jim

29 November 2022

Elevated cancer-specific mortality in PWH has been demonstrated for non-AIDS-defining malignancies. However, additional clinical endpoints of interest, including patient-reported outcomes (PROs), have not been systematically examined in PWH and cance...

  • Article
  • Open Access
15 Citations
3,629 Views
11 Pages

Prevalence of Untreated Early Childhood Caries of 5-Year-Old Children in Hong Kong: A Cross-Sectional Study

  • Faith Miaomiao Zheng,
  • Iliana Gehui Yan,
  • Duangporn Duangthip,
  • Sherry Shiqian Gao,
  • Edward Chin Man Lo and
  • Chun Hung Chu

This cross-sectional survey investigated untreated early childhood caries (ECC) and its associated factors among 5-year-old children in Hong Kong. Children were recruited using a multistage sampling method. One dentist examined the children in kinder...

  • Article
  • Open Access
13 Citations
3,987 Views
13 Pages

Minority students experience more discrimination on college campuses, yet little is known about fear of discrimination. This paper (a) establishes a new measure, fear of discriminatory violence, (b) assesses sociodemographic correlates of fear of dis...

  • Article
  • Open Access
7 Citations
3,084 Views
13 Pages

Inhaled Sedation in Patients with COVID-19-Related Acute Respiratory Distress Syndrome: An International Retrospective Study

  • Randy Coupet,
  • Martin Schläpfer,
  • Thomas A. Neff,
  • Pierre Boucher,
  • Pierre Bailly,
  • Martin Bellgardt,
  • Rafael Badenes,
  • Jose Carbonell,
  • Tobias Becher and
  • Caroline Varillon
  • + 6 authors

20 December 2022

Background and objectives: The coronavirus disease 2019 (COVID-19) pandemic and the shortage of intravenous sedatives has led to renewed interest in inhaled sedation for patients with acute respiratory distress syndrome (ARDS). We hypothesized that i...

  • Article
  • Open Access
70 Citations
7,615 Views
23 Pages

Car travel accounts for the largest share of transportation-related greenhouse gas emissions in the United States (U.S.), leading to serious air pollution and negative health effects; approximately 76.3% of car trips are single-occupant. To reduce th...

  • Article
  • Open Access
1,127 Views
11 Pages

scQTLtools: An R/Bioconductor Package for Comprehensive Identification and Visualization of Single-Cell eQTLs

  • Xiaofeng Wu,
  • Xin Huang,
  • Pinjing Chen,
  • Jingtong Kang,
  • Jin Yang,
  • Zhanpeng Huang and
  • Siwen Xu

23 June 2025

Single-cell RNA sequencing (scRNA-seq) enables expression quantitative trait locus (eQTL) analysis at cellular resolution, offering new opportunities to uncover regulatory variants with cell-type-specific effects. However, existing tools are often li...

  • Article
  • Open Access
4 Citations
2,077 Views
11 Pages

16 September 2023

Introduction: Delay discounting (DD), the tendency to prefer small, immediate rewards over larger, delayed rewards, is associated with health-risk behaviors. The study examined associations between DD for money and hyper-palatable foods (HPF) with fo...

  • Article
  • Open Access
2,786 Views
15 Pages

Investigation of Oral Health in Children from Urban Slums of Nairobi, Kenya

  • Gianni Di Giorgio,
  • Simona De Pasquale,
  • Enrico Battaglia,
  • Giulia Zumbo,
  • Cristina Mollica,
  • Rita D’Ecclesia,
  • Antonella Polimeni and
  • Maurizio Bossù

10 July 2024

For children living in the urban slums of Nairobi (Kenya), primary health conditions are not guaranteed, and oral diseases add further concern at social and institutional levels beyond the general poverty conditions. This study aims at determining th...

  • Article
  • Open Access
4 Citations
2,848 Views
9 Pages

The Frequency of Primary Healthcare Contacts Preceding the Diagnosis of Lower-Extremity Arterial Disease: Do Women Consult General Practice Differently?

  • Cindy P. Porras,
  • Martin Teraa,
  • Michiel L. Bots,
  • Annemarijn R. de Boer,
  • Sanne A. E. Peters,
  • Sander van Doorn and
  • Robin W. M. Vernooij

24 June 2022

Background. Women with lower-extremity arterial disease (LEAD) are often underdiagnosed, present themselves with more advanced disease at diagnosis, and fare worse than men. Objective. To investigate to what extent potential gender differences exist...

  • Article
  • Open Access
53 Citations
5,093 Views
20 Pages

4 June 2018

Public bikesharing systems have rapidly expanded across many cities in the United States (US). Previous studies in the literature found that, in general, bikesharing is associated with public transit ridership. However, the interdependencies between...

  • Article
  • Open Access
16 Citations
3,850 Views
16 Pages

Socioeconomic differences in sickness absence are well known, but previous studies have tended to focus on wage earners only. This study examined incidence and length of sickness absence comparing the employee groups of upper and lower non-manual emp...

  • Article
  • Open Access
16 Citations
3,612 Views
16 Pages

Weather Conditions and Outdoor Fall Injuries in Northwestern Russia

  • Tatiana N. Unguryanu,
  • Andrej M. Grjibovski,
  • Tordis A. Trovik,
  • Børge Ytterstad and
  • Alexander V. Kudryavtsev

This study aimed to investigate associations between the weather conditions and the frequency of medically-treated, non-fatal accidental outdoor fall injuries (AOFIs) in a provincial region of Northwestern Russia. Data on all non-fatal AOFIs that occ...

  • Article
  • Open Access
14 Citations
4,619 Views
11 Pages

The Mediating Role of Psychological Distress in Excessive Gambling among Young People: A Four-Country Study

  • Ilkka Vuorinen,
  • Atte Oksanen,
  • Iina Savolainen,
  • Anu Sirola,
  • Markus Kaakinen,
  • Hye-Jin Paek and
  • Izabela Zych

Background and aims: Loneliness and a low sense of mastery are associated with excessive gambling, but the underlying processes of these relationships remain unstudied. Because psychological distress can increase vulnerability to excessive gambling,...

  • Feature Paper
  • Article
  • Open Access
8 Citations
3,735 Views
13 Pages

Investigating the Relationship between Oral Health and Severe Mental Illness: Analysis of NHANES 1999–2016

  • Jing Kang,
  • Jianhua Wu,
  • Vishal. R. Aggarwal,
  • David Shiers,
  • Tim Doran and
  • Jasper Palmier-Claus

24 June 2024

Objectives: To explore whether: (i) people with severe mental illness (SMI) experience worse oral health than the general population, and (ii) the risk factors for poor oral health in people with SMI. Methods: Cross-sectional data were extracted from...

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