Author

A. Kyan

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Review Open access Sep 2026

Validity and reliability of the Japanese version of the Movement Behaviour Questionnaire-Child (MBQ-C) for assessing active play, screen time, and sleep in preschool children

Background: Valid and feasible measures of preschoolers' 24-hour movement behaviours are needed for population-level research. We developed a Japanese version of the Movement Behaviour Questionnaire-Child (MBQ-C) and evaluated its measurement properties and practicality. Methods: After translation and cross-cultural ad...

K. Komura, M. Yamakita, A. Kyan et al. · medRxiv · 0 citations

Open access Aug 2026

Presence or Absence of Experiential Activities Before Entering Elementary School and Psychological Resilience Among Individuals Aged 15–39 Years: A Cross-Sectional Study in Japan

Psychological resilience is a key protective factor for mental health. Reducing inequalities in access to childhood experiential activities may foster resilience across socioeconomic backgrounds. However, Japan limits policies ensuring equitable access to such activities before entering elementary school. This cross-se...

Masana Sannomiya, Yuki Imamatsu, M. Ishii et al. · Youth · 0 citations