whether bp readings are valid
| Value label | Value | Absolute frequency | Relative frequency |
|---|---|---|---|
| valid bp measurement | 1 | 4075.00 | 80.65% |
| ate, drank, smoked, exercised in previous half hour | 2 | 889.00 | 17.59% |
| three valid readings not obtained | 4 | 34.00 | 0.67% |
| refused, not obtained, not attempted | 6 | 55.00 | 1.09% |
| Total | 5053.00 | 100.00% |
