Details of Element:
Percent Grade
Component of
Rayfield V02
Unique Name: pergr16
Contained in the
Common BLSA Data Set
? No
|
Data Points (as of 09/06/98) |
Males |
Females |
Total |
|
Number of Data Points |
497 |
527 |
1024 |
|
Number of Distinct Participants |
373 |
398 |
771 |
|
Year First Collected |
1968 |
1991 |
- |
|
Year Last Collected |
1998 |
1998 |
- |
Type of Variable: Absolute Measure
Encoding: Continuous
Units of Measure: (undeclared)
Precision: ##.
Anticipated Range: 15. thru 15.
Masterfile Index: 144-07-38
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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