Details of Element:
Questionnaire Form Administered
Component of
Audiometry - Virtual Equipment
Unique Name: qufoa
Contained in the
Common BLSA Data Set
? Yes
|
Data Points (as of 09/06/98) |
Males |
Females |
Total |
|
Number of Data Points |
705 |
565 |
1270 |
|
Number of Distinct Participants |
528 |
438 |
966 |
|
Year First Collected |
1972 |
1990 |
- |
|
Year Last Collected |
1994 |
1994 |
- |
Type of Variable: Absolute Measure
Encoding: Discrete
|
Value |
Meaning |
|
0 |
Before |
|
1 |
After |
Precision: #.
Anticipated Range: 0. thru 1.
Masterfile Index: 603-01-01
Related Data Elements: none
Specific to this Data Element:
Inclusion/Exclusion Rules:
n/a
Descriptive History:
(none)
Details
for this Data Type
JM -
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Revised 09/18/98 -- Send comments to our
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