Age
Visit vs 10 PM - how long since last cigarette
| N | Mean | StdDev | Median | Min | Max | Unknown | Total | |
|---|---|---|---|---|---|---|---|---|
| Visit 5 | 729 | 2.9 | ± 2.4 | 1.0 | 1.0 | 8.0 | 6 | 735 |
Participant's age (category) vs 10 PM - how long since last cigarette
Visit 5
| N | Mean | StdDev | Median | Min | Max | Unknown | Total | |
|---|---|---|---|---|---|---|---|---|
| Total | 652 | 2.9 | ± 2.4 | 1.0 | 1.0 | 8.0 | 6 | 658 |
| 5-14 yrs old | 64 | 1.0 | ± 0.0 | 1.0 | 1.0 | 1.0 | - | 64 |
| 15-24 yrs old | 112 | 2.2 | ± 1.9 | 1.0 | 1.0 | 7.0 | - | 112 |
| 25-34 yrs old | 62 | 2.5 | ± 1.9 | 2.0 | 1.0 | 7.0 | - | 62 |
| 35-44 years | 96 | 2.9 | ± 2.2 | 2.0 | 1.0 | 7.0 | 2 | 98 |
| 45-54 years | 146 | 3.4 | ± 2.6 | 3.0 | 1.0 | 8.0 | 2 | 148 |
| 55-64 years | 83 | 3.6 | ± 2.5 | 3.0 | 1.0 | 7.0 | 1 | 84 |
| 65-74 years | 56 | 4.6 | ± 2.8 | 7.0 | 1.0 | 7.0 | 1 | 57 |
| 75-84 years | 31 | 3.9 | ± 2.8 | 3.0 | 1.0 | 7.0 | - | 31 |
| 85 years or older | 2 | 1.0 | ± 0.0 | 1.0 | 1.0 | 1.0 | - | 2 |
Participant's sex vs 10 PM - how long since last cigarette
Visit 5
| N | Mean | StdDev | Median | Min | Max | Unknown | Total | |
|---|---|---|---|---|---|---|---|---|
| Total | 729 | 2.9 | ± 2.4 | 1.0 | 1.0 | 8.0 | 6 | 735 |
| Female | 405 | 2.6 | ± 2.3 | 1.0 | 1.0 | 7.0 | 1 | 406 |
| Male | 324 | 3.3 | ± 2.5 | 3.0 | 1.0 | 8.0 | 5 | 329 |
Participant's race vs 10 PM - how long since last cigarette
Visit 5
| N | Mean | StdDev | Median | Min | Max | Unknown | Total | |
|---|---|---|---|---|---|---|---|---|
| Total | 729 | 2.9 | ± 2.4 | 1.0 | 1.0 | 8.0 | 6 | 735 |
| White | 302 | 3.2 | ± 2.6 | 2.0 | 1.0 | 7.0 | 2 | 304 |
| Black | 405 | 2.7 | ± 2.2 | 1.0 | 1.0 | 8.0 | 4 | 409 |
| More than one race | 22 | 2.4 | ± 2.4 | 1.0 | 1.0 | 7.0 | - | 22 |