Details of Element: Left Forearm Circumference (Cm)
Component of Body Composition

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

Data Points (as of 09/06/98) Males Females Total
Number of Data Points 8661 3681 12342
Number of Distinct Participants 1500 910 2410
Year First Collected 1959 1978 -
Year Last Collected 1998 1998 -

Type of Variable: Absolute Measure
Encoding: Continuous
Units of Measure: cm
Precision: ##.#
Anticipated Range: 22.0 thru 32.0
Masterfile Index: 161-04-19
Related Data Elements: none
Specific to this Data Element:
    Descriptive history:
    The left forearm circumference is part of the Behnke evaluation. Measurements in BLSA men were begun in 1960 and in BLSA women in 1978. The left forearm circumference is obtained with a flexible tape measure, manipulated to maintain close contact with the skin without compression of underlying tissues. The left forearm circumference is the maximal circumference of the forearm with arm hanging downward but slightly away from the trunk.

    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 .