2015 - 2019 The international comparative study on the health effects of precarious employment
2012 - 2015 Whether an increase in precarious employment has expanded the inequalities in health and healthcare access? 20-year time-trend analysis
2011 - 2015 The influence of a socioeconomic disparity caused by precarious employment on family's health
2013 - 低所得者への医療供給体制のあり方に関する研究-受診抑制と治療中断の改善に向けて
2010 - 2011 The impact of sleep duration and insomnia on the incidence of lifestyle-related diseases : a large-scale cohort study
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Papers (63):
Yumi Arai, Yuko Kachi, Hiroyuki Hikichi, Kazuhiro Watanabe, Reiko Inoue, Noboru Iwata, Akizumi Tsutsumi. Association between long working hours of doctors and the seriousness of adverse events: a cross-sectional study using national adverse event reporting system data in Japan. Industrial health. 2024
Manami Ochi, Tsuguhiko Kato, Yuko Kachi, Bibha Dhungel, Mako Nagayoshi, Yuichi Ichinose, Kenji Takehara. Japanese fathers' work-related factors associated with involvement in childcare. Journal of occupational health. 2024
Mako Nagayoshi, Yuko Kachi, Tsuguhiko Kato, Manami Ochi, Yuichi Ichinose, Takayuki Kondo, Kenji Takehara. Paternal involvement in childcare and housework and mothers' spanking behavior: The Japanese longitudinal survey of newborns in the 21st century. Journal of epidemiology. 2024
Tsuguhiko Kato, Yuko Kachi, Manami Ochi, Mako Nagayoshi, Bibha Dhungel, Takayuki Kondo, Kenji Takehara. The long-term association between paternal involvement in infant care and children's psychological well-being at age 16 years: An analysis of the Japanese Longitudinal Survey of Newborns in the 21st Century 2001 cohort. Journal of affective disorders. 2023. 324. 114-120
Bibha Dhungel, Tsuguhiko Kato, Stuart Gilmour, Yuko Kachi, Manami Ochi, Mako Nagayoshi, Kenji Takehara. Trajectories of fathers' childcare involvement and child behavioral outcomes. Pediatrics international : official journal of the Japan Pediatric Society. 2023. 65. 1. e15682