| Value | Category | Cases | |
|---|---|---|---|
| -99 | Don?t know | 0 |
0%
|
| -88 | Other (specify) | 44 |
5.3%
|
| 1 | They protect us from illness | 0 |
0%
|
| 2 | They increase our iron intake | 637 |
76.4%
|
| 3 | They make our bones stronger | 153 |
18.3%
|
| Sysmiss | 1301 |