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Participant socio-demographic characteristics, Group Health Cooperative, Seattle, WA, November 2015–January 2016
| Variable | N |
|---|---|
| Gender | |
| Male | 7 |
| Female | 11 |
| Race | |
| White | 16 |
| Black or multiracial | 2 |
| Smoking status | |
| Current smoker | 11 |
| Former smoker | 7 |
| Median (IQR) | |
| Age (years) | 68 (55, 74) |
IQR, interquartile range.
