Age when first started smoking
Datafile
Index term
| Value label | Value | Absolute frequency | Relative frequency |
|---|---|---|---|
| missing | -9 | 1 | 0.01% |
| inapplicable | -8 | 7284 | 46.62% |
| proxy | -7 | 435 | 2.78% |
| Never smoked reg | -3 | 60 | 0.38% |
| don't know | -1 | 14 | 0.09% |
| [Value >= 0] | 1 | 7829 | 50.11% |
| Total | 15623 | 100.0% |
| Mean | Number Missing | Min | Max | Std Dev | N |
|---|---|---|---|---|---|
| 16.81 | 7794 | 5.0 | 98.0 | 4.96 | 7829 |
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