Details of Element: Bitrochanteric Diameter (Cm)
Component of Body Composition

Unique Name: bidic1
Contained in the Common BLSA Data Set ? No

Data Points (as of 09/06/98) Males Females Total
Number of Data Points 8223 3286 11509
Number of Distinct Participants 1474 854 2328
Year First Collected 1959 1978 -
Year Last Collected 1996 1996 -

Type of Variable: Absolute Measure
Encoding: Continuous
Units of Measure: cm
Precision: ##.#
Anticipated Range: 25.0 thru 39.0
Masterfile Index: 161-05-04
Related Data Elements: none
Specific to this Data Element:
    Descriptive history:
    The bitrochanteric diameter (breadth) is part of the Behnke evaluation. Measurements in BLSA men were begun in 1960 and in BLSA women in 1978. The bitrochanteric diameter is obtained with a large caliper. The bitrochanteric diameter is defined as the greatest lateral projection of the trochanters.

    Data collection methodology:
    Anthropometry

    Related protocols:
    Body composition

    Investigators:
    Dr. Reubin Andres (primary investigator)
    GRC Box-24
    andresr@grc.nia.nih.gov
    (410)-558-8194

    Frequency of data collection:
    Every visit.

    Inclusion/exclusion rules:
    None.

    Publications using these data:
Details for this Data Type
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Revised 09/18/98 -- Send comments to our Web Master .