how many hours ago did you last smoke? nurse: code the number of hours.
| Value label | Value | Absolute frequency | Relative frequency |
|---|---|---|---|
| inapplicable | -8 | 13141.00 | 83.99% |
| [Value GT 0] | 1 | 2505.00 | 16.01% |
| Total | 15646.00 | 100.00% |
| Value label | Value | Absolute frequency | Relative frequency |
|---|---|---|---|
| 2.471 | 13141 | 0 | 24% |



