Details of Element:
Type of Color Deficiency
Component of
Vision-Color-Tonography
Unique Name: tyofc
Contained in the
Common BLSA Data Set
? Yes
|
Data Points (as of 09/06/98) |
Males |
Females |
Total |
|
Number of Data Points |
352 |
6 |
358 |
|
Number of Distinct Participants |
127 |
6 |
133 |
|
Year First Collected |
1965 |
1978 |
- |
|
Year Last Collected |
1988 |
1989 |
- |
Type of Variable: Absolute Measure
Encoding: Discrete
|
Value |
Meaning |
|
0 |
Blue-Yellow |
|
1 |
Red-Green |
Precision: #.
Anticipated Range: 0. thru 2.
Masterfile Index: 611-01-15
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
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