Table 1.
Background data on participants and urine samples (means and ranges)
| All | Men | Women | |
|---|---|---|---|
| N | 152 | 65 | 87 |
| Never-/ever-smokers (n) | 60/91 | 27/38 | 33/53 |
| Pack-yearsa | 13.8 (0.4-51.0) | 14.5 (0.4-51.0) | 13.3 (1.2-36.3) |
| Body mass (lbs) | 165 (108–245) | 183 (143–245) | 150 (108–209) |
| Age | 48 (24–70) | 49 (30–70) | 48 (24–64) |
| GFR (ml/min/1.73 m2) | 101 (77.0-147) | 99.5 (78-140) | 101 (77.0-147) |
| 24 h samples (n) | 130 | 55 | 75 |
| 24 h collection time (hrs) | 23.2 (20.5-26.6) | 23.3 (21.5-26.6) | 23.1 (20.5-24.8) |
| 24 h volume (ml) | 1878 (444–5790) | 1795 (680–4199) | 1938 (444–5790) |
| ON samples (n) | 145 | 63 | 82 |
| ON collection time (hrs) | 8.7 (6.0-14.8) | 8.7 (6.0-14.8) | 8.6 (6.3-11.3) |
| ON volume (ml) | 419 (95–1050) | 434 (120-1050) | 407 (95–1002) |
ain ever-smokers.