Details of Element: Quality of Immittance Data, Left Ear
Component of Acoustic Immittance - Virtual Equipment

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

Data Points (as of 09/06/98) Males Females Total
Number of Data Points 242 244 486
Number of Distinct Participants 212 221 433
Year First Collected 1991 1992 -
Year Last Collected 1995 1996 -

Type of Variable: Absolute Measure
Encoding: Discrete
    Value Meaning
    0 Acceptable
    1 Something minor wrong
    2 Garbage - data unreliable
Precision: #.
Anticipated Range: 0. thru 2.
Masterfile Index: 604-03-62
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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