Details of Element:
ph
Component of
Medical Laboratory
Unique Name: ph
Contained in the
Common BLSA Data Set
? Yes
|
Data Points (as of 09/06/98) |
Males |
Females |
Total |
|
Number of Data Points |
11728 |
3762 |
15490 |
|
Number of Distinct Participants |
1560 |
918 |
2478 |
|
Year First Collected |
1958 |
1978 |
- |
|
Year Last Collected |
1998 |
1998 |
- |
Type of Variable: Absolute Measure
Encoding: Continuous
Units of Measure: (undeclared)
Precision: #.
Anticipated Range: 5. thru 8.
Masterfile Index: 002-01-38
Related Data Elements: none
Specific to this Data Element:
Inclusion/Exclusion Rules:
n/a
Descriptive History:
(none)
Details
for this Data Type
JM -
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