whether bmi measure is valid
| Value label | Value | Absolute frequency | Relative frequency |
|---|---|---|---|
| valid | 1 | 19718.00 | 95.26% |
| height/weight not usable | 2 | 15.00 | 0.07% |
| height/weight refused | 3 | 40.00 | 0.19% |
| height/weight attempted but not obtained | 4 | 8.00 | 0.04% |
| height/weight not attempted | 5 | 169.00 | 0.82% |
| other invalid | 6 | 749.00 | 3.62% |
| Total | 20699.00 | 100.00% |
