Body composition and bone mineral density (Dual X energy absorptiometry)

Dual X energy absorptiometry scans (iDXA; General Electric, formerly Lunar Corp., Madison, WI) were used to obtain measurements of bone and soft tissue for the total body and sub regions, including bone mineral content (g), fat mass (g), and lean mass (g).

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Keywords
Constructs
Waves
  • Generation R

  • 5-6 years
  •   M C
    4.9 - 9.1 years   From 2008-01-01 to 2012-12-31

  • 9-10 years
  •   M C
    8.7 - 12.5 years   From 2012-01-01 to 2016-12-31

  • 13-14 years
  •   C
    12.5 - 16.8 years   From 2016-01-01 to 2019-12-31

  • 17-18 years
  •   C
    17.0 - 18.0 years   From 2020-10-01 (ongoing)

    Mode of collection MeasurementsAndTests    Biological sample/measurement
    Analysis unit Individual
    Instrument name Dual X energy absorptiometry (DXA) scan
    Measure name Body composition and bone mineral density
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