Kayo Maruyama ,　Kumiko Morita. Effectiveness of a Social-Media-Based Diet and Physical Activity Programme for Fathers in Japan: A Randomised Controlled Trial International Journal of Environmental Research and Public Health. 2024.08; 21 (8): ( DOI )

Kumiko Morita, Minako Kobayashi, Rieko Aoki, Hitomi Nagamine, Harumi Yamamoto, Fumi Ohtake, Mika Hoki, Hiroko Sumita, Kayo Maruyama, Kayoko Mitssuhashi, Akiko Sasaki. Factors that facilitate multigenerational exchanges in regional locations: a cross‐sectional study in Niigata City, Japan Archives of Public Health. 2021.03; 79 (41): ( DOI )

Xiaowei Lyu, Kumiko Morita, Hitomi Nagamine, Kayo Maruyama. Effectiveness of health education programme of primary school-aged children in the urban area of China Journal of Medical and Dental Sciences. 2021.01; 68 63-74.

Hitomi Nagamine, Xiaowei Lyu, Kayo Maruyama, Kumiko Morita. Implementation and evaluation of a primary diabetes prevention programme for young adult employees in Japan: A non‐randomized controlled trial Nursing Open. 2019; ( DOI )

Kayo MARUYAMA, Mie HOKUTO，Harumi YAMAMOTO, Kumiko MORITA. Literature review on intergenerational exchange programs using ICT. 26th East Asian Forum of Nursing Scholars 2023.03.10 Tokyo

Kayo MARUYAMA, Hitomi NAGAMINE, Kumiko MORITA. The association between dietary habits and health literacy and healthy behavior among parents of primary school children. The 6th International Nursing Research Conference of World Academy of Nursing Science 2020.02.29 Osaka

Mika Hoki, Nagamine Hitomi, Kayo Maruyama, Kumiko Morita. Literature review on chilrearing support from pregnancy to the childrearing period. 22nd EAFONS 2019 2019.01.17 Singapore

Kayo maruyama, Hitomi Nagamine, Harumi Yamamoto, Kumiko Morita. Trends in health education studies to improve lifestyles of primary school children. 20th East Asian Forum of Nursing Scholars 2017.03.09 Hong Kong