| Value |
Category |
| 1 |
coffee-colored fluid |
| 2 |
bright red / blood red |
| 3 |
clear / colorless |
| 4 |
yellow |
| 5 |
color of food |
| 6 |
other |
| 8 |
don't know |
| 9 |
|
| 11 |
.Z |
Warning: these figures indicate the number of cases found in the data file. They cannot be interpreted as summary statistics of the population of interest.