OOIR: Observatory of International Research

Papers

(The H4-Index of Journal of Epidemiology is 24. The table below lists those papers that are above that threshold based on CrossRef citation counts [max. 250 papers]. The publications cover those that have been published in the past four years, i.e., from 2020-03-01 to 2024-03-01.)

Article	Citations
History and Profile of Diagnosis Procedure Combination (DPC): Development of a Real Data Collection System for Acute Inpatient Care in Japan	142
Changes in Psychological Distress During the COVID-19 Pandemic in Japan: A Longitudinal Study	83
Study Profile of the Tohoku Medical Megabank Community-Based Cohort Study	71
Updated Trends in Cancer in Japan: Incidence in 1985–2015 and Mortality in 1958–2018—A Sign of Decrease in Cancer Incidence	70
Epidemiologic Features of Kawasaki Disease in Shanghai From 2013 Through 2017	55
Mobility Change and COVID-19 in Japan: Mobile Data Analysis of Locations of Infection	55
Who Smokes in Europe? Data From 12 European Countries in the TackSHS Survey (2017–2018)	51
The Prevalence of COVID-19 Vaccination and Vaccine Hesitancy in Pregnant Women: An Internet-based Cross-sectional Study in Japan	45
Using Propensity Scores for Causal Inference: Pitfalls and Tips	42
The Association Between Education and Smoking Prevalence, Independent of Occupation: A Nationally Representative Survey in Japan	38
Study Profile of the Japan Multi-institutional Collaborative Cohort (J-MICC) Study	35
Causal Diagrams: Pitfalls and Tips	34
Prevalence and Mortality of Sarcopenia in a Community-dwelling Older Japanese Population: The Hisayama Study	32
Changes in Smoking Behavior Since the Declaration of the COVID-19 State of Emergency in Japan: A Cross-sectional Study From the Osaka Health App	32
Early SNS-Based Monitoring System for the COVID-19 Outbreak in Japan: A Population-Level Observational Study	32
Associations of Frequency of Laughter With Risk of All-Cause Mortality and Cardiovascular Disease Incidence in a General Population: Findings From the Yamagata Study	30
Adachi Child Health Impact of Living Difficulty (A-CHILD) Study: Research Protocol and Profiles of Participants	29
The Longevity Improvement & Fair Evidence (LIFE) Study: Overview of the Study Design and Baseline Participant Profile	27
Study Design and Participants’ Profile in the Sub-Cohort Study in the Japan Environment and Children’s Study (JECS)	26
Use and Awareness of Heated Tobacco Products in Europe	25
Widening Socioeconomic Inequalities in Smoking in Japan, 2001–2016	25
COVID-19 Stigma Induced by Local Government and Media Reporting in Japan: It’s Time to Reconsider Risk Communication Lessons From the Fukushima Daiichi Nuclear Disaster	25
Relationship Between Parental Lifestyle and Dietary Habits of Children: A Cross-Sectional Study	25
Racial Disparities in COVID-19-related Deaths in Brazil: Black Lives Matter?	25