Table 1.
The table reports the number of cigarettes per week smoked by participants.
| Female participants | Cigarettes/week | Male participants | Cigarettes/week |
|---|---|---|---|
| F1 | 0 | M1 | 0 |
| F2 | 0 | M2 | 0 |
| F3 | 0 | M3 | 0 |
| F4 | 0 | M4 | 0 |
| F5 | 0 | M5 | 0 |
| F6 | 0 | M6 | 0 |
| F7 | 0 | M7 | 0 |
| F8 | 0 | M8 | 0 |
| F9 | 0 | M9 | 0 |
| F10 | 0 | M10 | 0 |
| F11 | 0 | M11 | 0 |
| F12 | 42 | M12 | 0 |
| F13 | 42 | M13 | 40 |
| F14 | 50 | M14 | 40 |
| F15 | 50 | M15 | 50 |
| F16 | 50 | M16 | 55 |
| F17 | 56 | M17 | 60 |
| F18 | 85 | M18 | 65 |
| F19 | 100 | M19 | 75 |
| F20 | 100 | M20 | 85 |
| F21 | 100 | M21 | 100 |
| F22 | 140 | M22 | 100 |
| F23 | 140 | M23 | 105 |
Note. Those who smoked zero cigarettes per week were included in the nonsmoker group.