| Value |
Category |
Cases |
|
| 0 |
Not twin |
2692 |
|
| 1 |
Twin |
109 |
|
| 2 |
Second child but not twin |
0 |
|
| 3 |
One twin remaining in the study |
0 |
|
| 4 |
One child remaining |
0 |
|
| 5 |
miss |
1 |
|
| 9 |
|
2 |
|
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.
