| SF-36 scales | Crude analysis | Adjusted analysis* | |||
| Mean scale scores and p value | Beta coefficients and p values | ||||
| Never smoker (1) n = 648 | Former smoker (2) n = 110 | Smoker (3) n = 197 | 2 - 1 | 3 - 1 | |
| Physical functioning | 94.2 | 92.4 (0.448) | 92.8 (0.274) | 0.7 (0.678) | -0.5 (0.665) |
| Role-physical | 95.1 | 91.3 (0.110) | 92.1 (0.033) | −0.9 (0.667) | −2.4 (0.074) |
| Bodily pain | 89.5 | 81.6 (0.015) | 84.1 (0.006) | −4.3 (0.112) | −4.4 (0.007) |
| General health | 82.7 | 76.6 (0.014) | 77.5 (0.001) | −3.4 (0.216) | −4.1 (0.002) |
| Vitality | 80.5 | 71.0 (0.002) | 74.5 (0.000) | −6.5 (0.024) | −5.7 (0.001) |
| Role-emotional | 95.8 | 91.9 (0.094) | 91.3 (0.005) | −2.1 (0.314) | −3.9 (0.008) |
| Social functioning | 93.1 | 88.7 (0.101) | 89.5 (0.020) | −1.6 (0.505) | −3.3 (0.026) |
| Mental health | 82.5 | 74.2 (0.008) | 74.5 (0.000) | −5.6 (0.050) | −7.7 (0.000) |
| PCS | 56.0 | 54.5 (0.096) | 55.3 (0.149) | −0.2 (0.763) | −0.3 (0.449) |
| MCS | 55.0 | 51.1 (0.010) | 51.3 (0.000) | −2.7 (0.052) | −3.5 (0.000) |