Ordinary least-squares regression on the annual number of days of sickness among Swedish adults for the period 1988–91
| Full sample | Males | Females | |
|---|---|---|---|
| na, not applicable. | |||
| Controlling for occupational factors | |||
| Current smoker | 9.67 (7.18 to 12.15) | 9.67 (6.35 to 12.98) | 9.50 (6.03 to 12.96) |
| Former smoker | 2.52 (0.14 to 4.90) | 2.83 (−0.42 to 6.08) | 2.35 (−1.40 to 6.10) |
| Never smoker (reference category) | na | na | na |
| Observations | 14 272 | 7020 | 7252 |
| Controlling for health factors | |||
| Current smoker | 7.67 (5.43 to 9.90) | 7.26 (4.22 to 10.31) | 7.55 (4.30 to 10.81) |
| Former smoker | 0.58 (−1.60 to 2.76) | −0.19 (−3.01 to 2.63) | 1.05 (−2.27 to 4.37) |
| Never smoker (reference category) | |||
| Observations | 14 272 | 7020 | 7252 |