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Annual Trend of Physical Growth in Infant and Japanese High Economic Growth

Author

Listed:
  • Yuki Kani

    (Graduate school of Business Administration and Computer Science, Aichi Institute of Technology)

  • Katsunori Fujii

    (Graduate school of Business Administration and Computer Science, Aichi Institute of Technology)

  • Toshiro Sakai

    (Chubu University)

  • Nozomi Tanaka

    (Tokai Gakuen University)

  • Yuzuru Naito

    (Graduate school of Business Administration and Computer Science, Aichi Institute of Technology)

  • Yusaku Ogura

    (Graduate school of Business Administration and Computer Science, Aichi Institute of Technology)

Abstract

The Ministry of Health, Labor and Welfare has published measurement records on height, weight, chest circumference, and head circumference in 0 to 6 year-old children from 1960 to 2010 as indicators of physical development in early childhood in Japan. Physical development evaluation charts have been developed from these records using percentile methods, but reports on the trends in physical development over time are limited. This is because no method has been established to scientifically analyze physical growth. Even more difficult is investigating secular trends in physical growth and linking those trends to economic growth. In this study, we identified the first largest peak velocity (FLPV) during the year after birth in infant physical growth records (height, weight, chest circumference, head circumference), and applied the wavelet interpolation model to the variations over time in the identified FLPV. Next, we applied the wavelet interpolation model to the secular variations in GDP for the same years. We then applied a cross correlation function to the relationship between the curves of FLPV and GDP variations over time, and investigated how high economic growth acts as a controlling factor variations in physical development of young children over time. The speed of variation in the physical development of children over time was the greatest around 1980. By synchronizing GDP to that time, the results suggest that high economic growth is a controlling factor in the physical development of young children.

Suggested Citation

  • Yuki Kani & Katsunori Fujii & Toshiro Sakai & Nozomi Tanaka & Yuzuru Naito & Yusaku Ogura, 2019. "Annual Trend of Physical Growth in Infant and Japanese High Economic Growth," Proceedings of International Academic Conferences 9211520, International Institute of Social and Economic Sciences.
  • Handle: RePEc:sek:iacpro:9211520
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    File URL: https://iises.net/proceedings/iises-international-academic-conference-prague/table-of-content/detail?cid=92&iid=007&rid=11520
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    More about this item

    Keywords

    Twins ; Similarity ; Measurement system; Growth velocity curve; Wavelet Interpolation Method;
    All these keywords.

    JEL classification:

    • I00 - Health, Education, and Welfare - - General - - - General
    • I10 - Health, Education, and Welfare - - Health - - - General
    • I19 - Health, Education, and Welfare - - Health - - - Other

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