Details of Element: Air Trapping 0-Absent 1-Present
Component of Pulmonary Function

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

Data Points (as of 09/06/98) Males Females Total
Number of Data Points 0 0 0
Number of Distinct Participants 0 0 0
Year First Collected n/a n/a -
Year Last Collected n/a n/a -

Type of Variable: Absolute Measure
Encoding: Discrete
    Value Meaning
    0 No
    1 Yes
Precision: #.
Anticipated Range: 0. thru 1.
Masterfile Index: 110-01-42
Related Data Elements: none
Specific to this Data Element:
    Inclusion/Exclusion Rules: n/a
    Descriptive History: (none)
Details for this Data Type
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Revised 09/18/98 -- Send comments to our Web Master .