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

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

Data Points (as of 09/06/98) Males Females Total
Number of Data Points 8222 3297 11519
Number of Distinct Participants 1473 856 2329
Year First Collected 1959 1978 -
Year Last Collected 1996 1996 -

Type of Variable: Absolute Measure
Encoding: Continuous
Units of Measure: cm
Precision: ##.#
Anticipated Range: 14.0 thru 20.0
Masterfile Index: 161-04-25
Related Data Elements: none
Specific to this Data Element:
    Descriptive history:
    The left wrist circumference is part of the Behnke evaluation. Measurements in BLSA men were begun in 1960 and in BLSA women in 1978. The left wrist circumference is obtained with a flexible tape measure, manipulated to maintain close contact with the skin without compression of underlying tissues. The left wrist circumference is defined as distal to the styloid process of the radius and ulna.

    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 .