Value |
Category |
0 |
Never |
1 |
Rarely (once or twice) |
2 |
Sometimes (3 to 10 times) |
3 |
Often (more than 10 times) |
99 |
n/a |
Sysmiss |
|
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.