Details of Element: Operator Day 2
Component of Act Quest. and Bmr

Unique Name: opdaq0
Contained in the Common BLSA Data Set ? No

Data Points (as of 09/06/98) Males Females Total
Number of Data Points 5223 301 5524
Number of Distinct Participants 1101 226 1327
Year First Collected 1958 1978 -
Year Last Collected 1981 1981 -

Type of Variable: Absolute Measure
Encoding: Discrete
    Value Meaning
    1 Fowler
    2 Budries
    4 Scott
    11 Carre
    51 Shields
    52 Plummer
    53 Harris
    56 Copley
Precision: ##.
Anticipated Range: 00. thru 99.
Masterfile Index: 141-02-30
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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