Details of Element: q Waves (Duplicate of Col. 26)
Component of Ekg-Cad Classification

Unique Name: col2q
Contained in the Common BLSA Data Set ? No

Data Points (as of 09/06/98) Males Females Total
Number of Data Points 744 82 826
Number of Distinct Participants 214 47 261
Year First Collected 1958 1978 -
Year Last Collected 1997 1997 -

Type of Variable: Absolute Measure
Encoding: Continuous
Units of Measure: (undeclared)
Precision: #.
Anticipated Range: 1. thru 3.
Masterfile Index: 007-01-51
Related Data Elements: none
Specific to this Data Element:
    Inclusion/Exclusion Rules: n/a
    Descriptive History:
    Value used to compute Sum (Masterfile index 007-01-57) and CHD classification (Masterfile index 007-01-59).
    If = 1, 2 added to Sum.
    If = 2 or 3, 1 added to Sum.
Details for this Data Type
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Revised 09/18/98 -- Send comments to our Web Master .