Details of Element: Investigator
Component of Bone Data

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

Data Points (as of 09/06/98) Males Females Total
Number of Data Points 234 16 250
Number of Distinct Participants 219 16 235
Year First Collected 1973 1978 -
Year Last Collected 1980 1979 -

Type of Variable: Absolute Measure
Encoding: Discrete
    Value Meaning
    1 GAIL
    2 NEIL
    3 DAVE
Precision: #.
Anticipated Range: 1. thru 3.
Masterfile Index: 162-02-67
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 .