Masaaki Yamada - University of Toyama

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Research activity per year

Related info

Related info

Research interests

5.6% of elementary school students in Japan pref. suspected of having gaming disorder

Campus career

医学科　助教　2014/04/01-2019/09/30
環境生体防御医学系　助教　2014/04/01-2019/09/30
医学科　助教　2019/10/01-2022/10/31
医学科　准教授　2022/11/01-
医学系　准教授　2022/11/01-
医学部医学科　基幹教員
学部運営への参画状況・・・有-医学科医学教育推進専門委員会
担当授業科目に係る状況・・・主要授業科目担当

Research biography

Toyama Dimentia Study　Contract Research Project year:2015/10－
スーパー食育事業　文部科学省　官民交流共同研究　期間：2014/06－2015/02
とやまネット安心ワークショップ　受託研究　期間：2018/05－
年間2万名の健診データを利用したビッグデータ分析　受託研究　期間：2017/11－

Qualification

公衆衛生学会　認定専門家
社会医学系専門医指導医
日本医師会認定産業医　Occupational Health Physician
日本消化器内視鏡学会　専門医・指導医　The Japanese Society of Internal Medicine, Board Certified Member
英検準1級
日本内科学会　認定内科医　The Japanese Society of Internal Medicine; Board Certified Member

Affiliated academic society

日本消化器内視鏡学会_専門医指導医　所属期間：2004/04-
日本内科学会　所属期間：2004/04-
日本公衆衛生学会_代議員　所属期間：2012/04-
日本疫学会_上級疫学専門家　所属期間：2012/04-
社会医学系専門医協会_指導医　所属期間：2017/03-
富山県小児保健学会_理事　所属期間：2019/04-
北陸学校保健学会_理事　所属期間：2019/04-
日本小児科医会_子どもとメディア_委員　所属期間：2022/09-

Research interests

I major in epidemoology on child health, especially on constipation and internet addiction. My next research agenda is occupational health using big data of health check-up.

Research Fields, Keywords

JACS
internet addiction
Big data of health check-up

Field of expertise (Grants-in-aid for Scientific Research classification)

Internet addiction among children
Social Determinants of Health

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1 Similar Profiles

1 Active
2 Finished

Preventive education for Internet addiction in schools and assessment of the education
Yamada, M. (Principal Investigator)
Japan Society for the Promotion of Science
2025/04/01 → 2029/03/31
Project: Research Project
Pathological Internet use and health issues
Yamada, M. (Principal Investigator)
Japan Society for the Promotion of Science
2022/04/01 → 2025/03/31
Project: Research Project
Social Determinant of Health
Yamada, M. (PI)
2018/04/01 → 2022/03/31
Project: Research

53 Article
3 Review article
1 Letter

Epidemiology and Recurrence of Sigmoid Volvulus: Analysis of Health Insurance Claims Data in Japan
Yamada, M., Sekine, M., Fujinami, H., Motofuji, Y. & Shinno, E., 2026/04, In: DEN Open. 6, 1, e70212.
Research output: Contribution to journal › Article › peer-review

Open Access
Association of self-reported dental caries with sex, lifestyle, and problematic Internet use among elementary school children in Japan
Yamada, M., Sekine, M., Tatsuse, T. & Yanai, Y., 2025/12, In: BMC Oral Health. 25, 1, 129.
Research output: Contribution to journal › Article › peer-review

Open Access
1 Link opens in a new tab Scopus citations
Employment-Grade Differences in Factors for Work Performance: The Japanese Civil Servants Study
Fuchigami, T., Tatsuse, T., Yamada, M. & Sekine, M., 2025/09/01, In: Journal of Occupational and Environmental Medicine. 67, 9, p. 732-739 8 p.
Research output: Contribution to journal › Article › peer-review
Impact of community gathering place participation on nursing care needs and medical costs among the elderly
Watanabe, K., Yamada, M., Tatsuse, T. & Sekine, M., 2025/09/01, In: Journal of Public Health. 47, 3, p. e309-e317
Research output: Contribution to journal › Article › peer-review
1 Link opens in a new tab Scopus citations
A longitudinal study of the influence of work characteristics, work–family status, and social activities on problem drinking: the Japanese civil servants study
Shigeno, T., Tatsuse, T., Sekine, M. & Yamada, M., 2024, In: Industrial Health. 62, 6, p. 417-428 12 p.
Research output: Contribution to journal › Article › peer-review

Open Access
3 Link opens in a new tab Scopus citations

Factors correlated with drug use for constipation: perspectives from the 2016 open Japanese National Database
Mihara, H. (Creator), Murayama, A. (Creator), Nanjo, S. (Contributor), Ando, T. (Creator), Tajiri, K. (Creator), Fujinami, H. (Creator), Yamada, M. (Creator) & Yasuda, I. (Creator), figshare, 2020
DOI: 10.6084/m9.figshare.c.5100896, https://springernature.figshare.com/collections/Factors_correlated_with_drug_use_for_constipation_perspectives_from_the_2016_open_Japanese_National_Database/5100896
Dataset
Lifestyle, psychological stress, and incidence of adolescent constipation: results from the Toyama birth cohort study
Yamada, M. (Creator), Sekine, M. (Contributor), Tatsuse, T. (Creator) & Fujimura, Y. (Creator), figshare, 2021
DOI: 10.6084/m9.figshare.c.5259376.v1, https://springernature.figshare.com/collections/Lifestyle_psychological_stress_and_incidence_of_adolescent_constipation_results_from_the_Toyama_birth_cohort_study/5259376/1
Dataset
Additional file 1 of Factors correlated with drug use for constipation: perspectives from the 2016 open Japanese National Database
Mihara, H. (Creator), Murayama, A. (Creator), Nanjo, S. (Contributor), Ando, T. (Creator), Tajiri, K. (Creator), Fujinami, H. (Creator), Yamada, M. (Creator) & Yasuda, I. (Creator), figshare, 2020
DOI: 10.6084/m9.figshare.12858491, https://springernature.figshare.com/articles/dataset/Additional_file_1_of_Factors_correlated_with_drug_use_for_constipation_perspectives_from_the_2016_open_Japanese_National_Database/12858491
Dataset
Lifestyle, psychological stress, and incidence of adolescent constipation: results from the Toyama birth cohort study
Yamada, M. (Creator), Sekine, M. (Contributor), Tatsuse, T. (Creator) & Fujimura, Y. (Creator), figshare, 2021
DOI: 10.6084/m9.figshare.c.5259376, https://springernature.figshare.com/collections/Lifestyle_psychological_stress_and_incidence_of_adolescent_constipation_results_from_the_Toyama_birth_cohort_study/5259376
Dataset
Additional file 1 of Factors correlated with drug use for constipation: perspectives from the 2016 open Japanese National Database
Mihara, H. (Creator), Murayama, A. (Creator), Nanjo, S. (Contributor), Ando, T. (Creator), Tajiri, K. (Creator), Fujinami, H. (Creator), Yamada, M. (Creator) & Yasuda, I. (Creator), figshare, 2020
DOI: 10.6084/m9.figshare.12858491.v1, https://springernature.figshare.com/articles/dataset/Additional_file_1_of_Factors_correlated_with_drug_use_for_constipation_perspectives_from_the_2016_open_Japanese_National_Database/12858491/1
Dataset

医学生の近距離作業時の画面距離と近視・斜視との関連
蒼馬伊藤 (Recipient) & Yamada, M. (Recipient), 2025/07/26
Prize
令和6年度教員業績評価富山大学_優秀教員表彰
Yamada, M. (Recipient), 2024/12/01
Prize
とやま賞（学術研究部門）社会疫学・学校保健の分野
Yamada, M. (Recipient), 2023/04/01
Prize
令和4年度　優秀教員
Yamada, M. (Recipient), 2023/01/05
Prize
富山大学教員業績
Yamada, M. (Recipient), 2023/01/07
Prize

5 Oral presentation
4 Academic activities
2 social activities
2 Invited talk
More
- 1 Other educational activity

Deep learning（深い学び）は紙が良い　–　生成AIを超える知能は紙で育てる
Yamada, M. (Speaker)
2025/07/26
Activity: Talk or presentation › Invited talk
健康教育についての講演（ネット依存）
Yamada, M. (Participant)
2025/04 → …
Activity: Other › social activities
子どものネット依存と医学研究
Yamada, M. (Speaker)
2023/02/18
Activity: Talk or presentation › Oral presentation
地域で守る、子どものネット依存
Yamada, M. (Speaker)
2022/08/27 → 2022/08/28
Activity: Talk or presentation › Oral presentation
ネット依存の疫学研究と小学生への依存症教育
Yamada, M. (Speaker)
2022/08/27 → 2022/08/28
Activity: Talk or presentation › Oral presentation

富山医療学
Inadera, H., Sekine, M., Inadera, H. & Yamada, M.
2024/10/01 → 2025/03/31
Course
疫学
Sekine, M., Sekine, M., Tatsuse, T. & Yamada, M.
2024/10/01 → 2025/03/31
Course
疫学
Sekine, M., Tatsuse, T. & Yamada, M.
2024/10/01 → 2025/03/31
Course
疫学・健康政策学特論
Sekine, M., Tatsuse, T. & Yamada, M.
2024/10/01 → 2025/03/31
Course

医学英語Ⅱ

Mori, H., Takahara, T., Sugimori, M., Ishiki, M., Yamada, M., Nakamura, T., Takamura, A., Ishimoto, T., Yamada, S., Kimura, Y., Soko, C., Takemura, Y., Inoue, R., Takeuchi, Y., Hata, Y., Yoshikawa, T. & Cooper, T. D.

2024/10/01 → 2025/03/31

Course