Very Low Uptake in Workplace Semen Analysis Research: Formative Web-Based Cross-Sectional Follow-Up Survey Distinguishing Employees With Self-Reported Unawareness From Aware Nonparticipants

Ayumi Nakazono   ^{1 *} , MSc ;   Kosuke Kojo   ^{1, 2, 3 *} , MD, PhD ;   Tomoko Oguri   ^{4, 5} , PhD ;   Hirokazu Nosato   ⁵ , PhD ;   Atsushi Ikeda   ³ , MD, PhD ;   Toshiyuki Kakinuma   ^{1, 6} , MD, PhD ;   Hiroyuki Nishiyama   ^{2, 3} , MD, PhD ;   Hideki Takeshita   ^{1, 7} , MD, PhD ;   Tatsuya Takayama   ^{1, 7} , MD, PhD ;   Kaoru Yanagida   ¹ , MD, PhD ;   Osamu Tsutsumi   ⁸ , MD, PhD

¹ Center for Human Reproduction, International University of Health and Welfare Hospital, Nasushiobara, Tochigi, Japan

² Tsukuba Clinical Research & Development Organization (T-CReDO), University of Tsukuba, Tsukuba, Ibaraki, Japan

³ Department of Urology, Institute of Medicine, University of Tsukuba, Tsukuba, Ibaraki, Japan

⁴ Research Institute of Science for Safety and Sustainability (RISS), National Institute of Advanced Industrial Science and Technology (AIST), Tsukuba, Ibaraki, Japan

⁵ Artificial Intelligence Research Center (AIRC), National Institute of Advanced Industrial Science and Technology (AIST), Tsukuba, Ibaraki, Japan

⁶ Department of Obstetrics and Gynecology, Yokohama City Seibu Hospital, St. Marianna University School of Medicine, Yokohama, Kanagawa, Japan

⁷ Department of Urology, International University of Health and Welfare Hospital, Nasushiobara, Tochigi, Japan

⁸ Center for Human Reproduction and Gynecologic Endoscopy, Sanno Hospital, Minato-ku, Tokyo, Japan

*these authors contributed equally