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• Association Between Dysfunctional Parenting Practices and Suspected Gaming Disorder Among Japanese Male Junior High School Students: A Cross-Sectional Study of Parental Assessment.

  Takahara D, Takahara M, Ahissou NCA, Nonaka D

  International journal of environmental research and public health ( MDPI AG )  23 ( 6 ) 818 - 818   2026.06 [ Peer Review Accepted ]

  Type of publication: Research paper (scientific journal)

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  The growing prevalence of gaming disorder (GD) in adolescents is a global concern. Despite parents’ critical role in addressing GD, how dysfunctional parenting practices are associated with adolescent GD remains understudied. This study assessed the association between dysfunctional parenting practices and adolescent GD among Japanese male junior high school students. Data were collected in 2024 via web-based, self-administered questionnaires from 300 parents (183 fathers and 117 mothers), each reporting on one male junior high school student. Suspected GD was assessed using a validated parent report measure (i.e., the Gaming Disorder Scale for Parents). Dysfunctional parenting practices were measured using the Parenting Scale, comprising two dimensions: Overreactivity and Laxness. Mean factor scores of Overreactivity and Laxness were compared between the suspected and non-suspected GD groups using a t-test. Logistic regression models assessed the association of Overreactivity and Laxness with suspected GD, controlling for covariates. The mean score of Overreactivity was significantly higher in the suspected GD group than in the non-suspected group, whereas that of Laxness was not. After adjustment, overreactive parenting was significantly associated with suspected GD (adjusted odds ratio: 1.89, 95% CI [1.31, 2.74]). This study showed that overreactive parenting was independently and significantly associated with increased odds of suspected GD.

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• The Effectiveness of a Social Skills Training Intervention Program for Family Members of Patients With Schizophrenia in Japan: A Pilot Study.

  Takahara M, Miyagi T, Takahara D, Toyama N, Toyosato T

  Cureus ( Springer Science and Business Media LLC )  18 ( 5 ) e109767   2026.05 [ Peer Review Accepted ]

  Type of publication: Research paper (scientific journal)

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• Associations between Difficulty in Accessing Maternal and Child Health Services and Stress Responses among Mothers Raising Young Children during the COVID-19 Pandemic in Japan

  Toyama, N; Hokama, C; Takahara, M; Toyama, Y

  NURSING REPORTS ( Nursing Reports )  14 ( 1 ) 506 - 515   2024.03 [ Peer Review Accepted ]

  Type of publication: Research paper (scientific journal)

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• Impact of village health volunteer support on postnatal depressive symptoms in the remote rural areas of Lao People's Democratic Republic: a cross-sectional study

  Toyama, N; Vongphoumy, I; Uehara, M; Sato, C; Nishimoto, F; Moji, K; Pongvongsa, T; Shirai, K; Takayama, T; Takahara, M; Tamashiro, Y; Endo, Y; Kounnavong, S; Kobayashi, J

  TROPICAL MEDICINE AND HEALTH ( Tropical Medicine and Health )  49 ( 1 ) 28   2021.03 [ Peer Review Accepted ]

  Type of publication: Research paper (scientific journal)

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• Perception of research difficulties affects staff nurses’ motivation towards research participation: the impact of understanding research value and collegial support

  Yumiko Endoh, Takehiko Toyosato, Takao Yokota, Chikako Maeshiro, Misuzu Takahara, Yumiko Henna, Yoko Tamashiro, Midori Kuniyoshi, Yasuko Koja

  Ryukyu Medical Association   38 ( 1-4 ) 13 - 24   2019 [ Peer Review Accepted ]

  Type of publication: Research paper (scientific journal)

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• Grant-in-Aid for Young Scientists(B)

  Project Year: 2016.04  -  2021.03 

  Direct: 2,500,000 (YEN)  Overheads: 750,000 (YEN)  Total: 3,250,000 (YEN)

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