Koyama Y - Search Results

1

Epistatic interactions between oxytocin- and dopamine-related genes and trust.

Koyama Y, Nawa N, Ochi M, Surkan PJ, Fujiwara T. Koyama Y, et al. PLoS One. 2024 Sep 19;19(9):e0308728. doi: 10.1371/journal.pone.0308728. eCollection 2024. PLoS One. 2024. PMID: 39298414 Free PMC article.

2

Impact of Alcohol Outlet Density on Reported Cases of Child Maltreatment in Japan: Fixed Effects Analysis.

Koyama Y, Fujiwara T. Koyama Y, et al. Front Public Health. 2019 Oct 4;7:265. doi: 10.3389/fpubh.2019.00265. eCollection 2019. Front Public Health. 2019. PMID: 31637225 Free PMC article.

3

Degree of influence in class modifies the association between social network diversity and well-being: Results from a large population-based study in Japan.

Koyama Y, Fujiwara T, Isumi A, Doi S. Koyama Y, et al. Soc Sci Med. 2020 Sep;260:113170. doi: 10.1016/j.socscimed.2020.113170. Epub 2020 Jul 6. Soc Sci Med. 2020. PMID: 32712555 Free article.

4

Is Japan's child allowance effective for the well-being of children? A statistical evaluation using data from K-CHILD study.

Koyama Y, Fujiwara T, Isumi A, Doi S. Koyama Y, et al. BMC Public Health. 2020 Oct 6;20(1):1503. doi: 10.1186/s12889-020-09367-0. BMC Public Health. 2020. PMID: 33023534 Free PMC article.

5

Association of parental social network diversity with behaviour problems and resilience of offspring in a large population-based study of Japanese children.

Koyama Y, Fujiwara T, Isumi A, Doi S. Koyama Y, et al. BMJ Open. 2020 Oct 21;10(10):e035100. doi: 10.1136/bmjopen-2019-035100. BMJ Open. 2020. PMID: 33087366 Free PMC article.

6

The impact of public assistance on child mental health in Japan: results from A-CHILD study.

Koyama Y, Fujiwara T, Isumi A, Doi S, Ochi M. Koyama Y, et al. J Public Health Policy. 2021 Mar;42(1):98-112. doi: 10.1057/s41271-020-00254-x. Epub 2020 Oct 28. J Public Health Policy. 2021. PMID: 33116265

7

Interplay between social isolation and loneliness and chronic systemic inflammation during the COVID-19 pandemic in Japan: Results from U-CORONA study.

Koyama Y, Nawa N, Yamaoka Y, Nishimura H, Sonoda S, Kuramochi J, Miyazaki Y, Fujiwara T. Koyama Y, et al. Brain Behav Immun. 2021 May;94:51-59. doi: 10.1016/j.bbi.2021.03.007. Epub 2021 Mar 9. Brain Behav Immun. 2021. PMID: 33705870 Free PMC article.

8

Association between Social Integration and Face Mask Use Behavior during the SARS-CoV-2 Pandemic in Japan: Results from U-CORONA Study.

Nawa N, Yamaoka Y, Koyama Y, Nishimura H, Sonoda S, Kuramochi J, Miyazaki Y, Fujiwara T. Nawa N, et al. Among authors: koyama y. Int J Environ Res Public Health. 2021 Apr 28;18(9):4717. doi: 10.3390/ijerph18094717. Int J Environ Res Public Health. 2021. PMID: 33925191 Free PMC article.

9

Do Social Ties Moderate the Association between Childhood Maltreatment and Gratitude in Older Adults? Results from the NEIGE Study.

Doi S, Koyama Y, Tani Y, Murayama H, Inoue S, Fujiwara T, Shobugawa Y. Doi S, et al. Among authors: koyama y. Int J Environ Res Public Health. 2021 Oct 21;18(21):11082. doi: 10.3390/ijerph182111082. Int J Environ Res Public Health. 2021. PMID: 34769605 Free PMC article.

10

Association between adverse childhood experiences and brain volumes among Japanese community-dwelling older people: Findings from the NEIGE study.

Koyama Y, Fujiwara T, Murayama H, Machida M, Inoue S, Shobugawa Y. Koyama Y, et al. Child Abuse Negl. 2022 Feb;124:105456. doi: 10.1016/j.chiabu.2021.105456. Epub 2022 Jan 3. Child Abuse Negl. 2022. PMID: 34991011

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