1. Amagasaki city Employee Health Promotion Section(2004).A Report on Health Promotion for Amagasaki city Employees in the 21st Century. Amagasaki city. (in Japanese).
2. Amagasaki city. (2018).Amagasaki city Health Promotion Plan. (in Japanese).https://www.city.amagasaki.hyogo.jp/_res/projects/default_project/_page_/001/013/330/zousinkeikaku1.pdf
3. Amagasaki city National Health Insurance Section. (2015).Health promotion and intervention planning based on Amagasaki city health data for 1st period. (in Japanese).https://www.city.amagasaki.hyogo.jp/_res/projects/default_project/_page_/001/002/939/datahealth_3.pdf
4. All‐Japan federations national health insurance organization. (2009‐2016).Anual survey on national health insurance 2008–2015. All‐Japan federations national health insurance organization. (in Japanese).