Development and validation study of pregnancy personalized mobile application for prevention of delivery low birthweight infants

• Project/Area Number: 17H04452
• Research Category: Grant-in-Aid for Scientific Research (B)
• Allocation Type: Single-year Grants
• Section: 一般
• Research Field: Lifelong developmental nursing
• Research Institution: St. Luke's International University
• Principal Investigator: OTA Erika 聖路加国際大学, 大学院看護学研究科, 教授 (40625216)
• Co-Investigator(Kenkyū-buntansha): 本田 由佳 慶應義塾大学, 政策・メディア研究科(藤沢), 特任准教授 (40749553) ; 森崎 菜穂 国立研究開発法人国立成育医療研究センター, 社会医学研究部, 部長 (90721796)
• Project Period (FY): 2017-04-01 – 2022-03-31
• Project Status: Completed (Fiscal Year 2022)
• Budget Amount: ¥15,600,000 (Direct Cost: ¥12,000,000、Indirect Cost: ¥3,600,000); Fiscal Year 2020: ¥3,250,000 (Direct Cost: ¥2,500,000、Indirect Cost: ¥750,000); Fiscal Year 2019: ¥3,900,000 (Direct Cost: ¥3,000,000、Indirect Cost: ¥900,000); Fiscal Year 2018: ¥4,160,000 (Direct Cost: ¥3,200,000、Indirect Cost: ¥960,000); Fiscal Year 2017: ¥4,290,000 (Direct Cost: ¥3,300,000、Indirect Cost: ¥990,000)
• Keywords: 低出生体重児 / 妊娠中体重増加量 / アプリケーション / 栄養指導 / 妊娠体重増加量 / やせ型体型 / 妊婦 / 看護学 / 栄養学

Outline of Final Research Achievements

The study aimed to develop a package on appropriate weight gain and dietary intake for pregnant women and to implement an intervention using a mobile application. A personalized application and an individualized intervention program for pregnant women during antenatal check-ups were developed based on scientific evidence. The application can create a nomogram of appropriate weight gain during pregnancy for each individual body type, calculate weight gain during pregnancy and risk based on individual background factors, and provide guidelines and recipes for dietary intake required during pregnancy. The application was developed based on scientific evidence. Next, an intervention study was conducted to implement and verify the effectiveness of the developed personalized intervention program for appropriate weight gain care during pregnancy.

Academic Significance and Societal Importance of the Research Achievements

本研究が開発したモバイルアプリケーションは、エコチル調査のコホートデータに基づいた健康な妊婦（基礎疾患のない）を対象とした体型別の週数別適切な体重増加量範囲である。週数別の胎児の 出生体重がSGA（small for gestational age)やLGA(large for gestational age)のリスクが高い場合には、もう少し体重を増やした方が良い、または控えたほう が良いなどのアドバイスが個別に出るようになっている。体重を入力すると、週数別に個別にアドバイスがでる。エビデンスに基づくセルフケアができるモバイルツールの開発を行うことができ、学術的、社会的な意義は大きい。

Research Products

• [Journal Article] Gestational Weight Gain Growth Charts Adapted to Japanese Pregnancies Using a Bayesian Approach in a Longitudinal Study: The Japan Environment and Children’s Study (2023)
  • Author(s): Naho Morisaki, Aurlie Piedvache, Seiichi Morokuma, Kazushige Nakahara, Masanobu Ogawa, Kiyoko Kato, Masafumi Sanefuji, Eiji Shibata, Mayumi Tsuji, Masayuki Shimono, Toshihiro Kawamoto, Shouichi Ohga, Koichi Kusuhara
  • Journal Title: Journal of Epidemiology Volume: 33 Issue: 5 Pages: 217-226
  • DOI: 10.2188/jea.JE20210049
  • NAID: 130008079286
  • ISSN: 0917-5040, 1349-9092
  • Year and Date: 2023-05-05
  • Peer Reviewed / Open Access
• [Presentation] Effects of Secondhand Smoke and Depressive Symptoms in Nonsmoking Pregnant Women: A Systematic Review and Meta-Analysis. (2018)
  • Author(s): Daichi Suzuki, Windy M. V. Wariki, Maiko Suto, Noyuri Yamaj, Yo Takemoto, Md. Mosfequr Rahman, Erika Ota.
  • Organizer: 21 th East Asian Forum of Nursing Scholars & 11 th International Nursing Conference. Soul, Korea. 2018.
  • Int'l Joint Research
• [Presentation] Effects of Secondhand Smoke and Depressive Symptoms in Nonsmoking Pregnant Women: A Systematic Review and Meta-Analysis. (2017)
  • Author(s): Daichi Suzuki, Windy M. V. Wariki, Maiko Suto, Noyuri Yamaj, Yo Takemoto, Md. Mosfequr Rahman, Erika Ota.
  • Organizer: 16 th International Conference on Nursing & Midwifery. Bali, Indonesia. 2017.
  • Int'l Joint Research