Details of Element: Certainty of Diagnosis
Component of Diagnoses

Unique Name: ceofd
Contained in the Common BLSA Data Set ? Yes

Data Points (as of 09/06/98) Males Females Total
Number of Data Points 49269 35151 84420
Number of Distinct Participants 820 751 1571
Year First Collected 1986 1986 -
Year Last Collected 1998 1998 -

Type of Variable: Absolute Measure
Encoding: Discrete
    Value Meaning
    0 Questionable
    1 Probable
    2 Definite
Precision: #.
Anticipated Range: 0. thru 2.
Masterfile Index: 003-01-21
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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