Shinichiro Tomitaka, Toshiaki A Furukawa. The GAD-7 and the PHQ-8 exhibit the same mathematical pattern of item responses in the general population: analysis of data from the National Health Interview Survey. BMC psychology. 2021. 9. 1. 149-149
Shinichiro Tomitaka, Toshiaki A Furukawa. Mathematical pattern of Kessler psychological distress distribution in the general population of the U.S. and Japan. BMC psychiatry. 2021. 21. 1. 188-188
Shinichiro Tomitaka, Yohei Kawasaki, Kazuki Ide, Maiko Akutagawa, Yutaka Ono, Toshiaki A Furukawa. Age-Related Changes in Item Responses to the Patient Health Questionnaire-9: Evidence From the National Health and Nutrition Examination Survey. Frontiers in psychiatry. 2020. 11. 723-723
Shinichiro Tomitaka, Yohei Kawasaki, Kazuki Ide, Maiko Akutagawa, Yutaka Ono, Toshi A. Furukawa. Responses to depressive symptom items exhibit a common mathematical pattern across the European populations. Scientific Reports. 2019. 9. 14923
Shinichiro Tomitaka, Yohei Kawasaki, Kazuki Ide, Hiroshi Yamada, Hirotsugu Miyake, Toshiaki A. Furukawa. Distribution of Total Depressive Symptoms Scores and Each Depressive Symptom Item in a Sample of Japanese Employees (vol 11, e0147577, 2016). PLOS ONE. 2016. 11. 3
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