| Value |
Category |
| 1 |
master only (1) |
| 2 |
using only (2) |
| 3 |
matched (3) |
| 4 |
missing updated (4) |
| 5 |
nonmissing conflict (5) |
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.
