Details of Element: Taken Within the Past 48 Hours?
Component of Medications File (Includes Name, 1-30 & Icd-9-Cm Codes, 50-67)

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

Data Points (as of 09/06/98) Males Females Total
Number of Data Points 13616 14934 28550
Number of Distinct Participants 804 735 1539
Year First Collected 1968 1990 -
Year Last Collected 1998 1998 -

Type of Variable: Absolute Measure
Encoding: Discrete
    Value Meaning
    0 No
    1 Yes
    2 Unsure
Precision: #.
Anticipated Range: 0. thru 2.
Masterfile Index: 812-01-68
Related Data Elements: none
Specific to this Data Element:
    Inclusion/Exclusion Rules: n/a
    Descriptive History: (none)
Details for this Data Type
JM - Disclaimer

Revised 09/18/98 -- Send comments to our Web Master .