Details of Element: Days Spent in Bed
Component of Activities and Attitudes Quest.


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

Data Points (as of 09/06/98) Males Females Total
Number of Data Points 875 643 1518
Number of Distinct Participants 713 558 1271
Year First Collected 1963 1978 -
Year Last Collected 1994 1994 -

Type of Variable: Absolute Measure
Encoding: Discrete
    Value Meaning
    1 All the time
    2 A month or more
    3 Two to four weeks
    4 A few days
    5 None
Precision: #.
Anticipated Range: 1. thru 5.
Masterfile Index: 501-02-44
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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