Table 4. Adjusted OR for misclassification of smoking status by self-report according to characteristics in all subjects and actual current smokers.
| Characteristics | Overall subjects (n = 445) | Actual current smokers (n = 228) | |||
|---|---|---|---|---|---|
| OR (95% CI) | p-value | OR (95% CI) | p-value | ||
| Age (years) | |||||
| 20–29a | 1.000 | 1.000 | |||
| 30–39 | 3.003 (1.261–7.151) | 0.013b | 3.801 (1.455–9.928) | 0.006b | |
| 40–49 | 3.162 (1.316–7.594) | 0.010b | 5.646 (2.065–15.439) | 0.001b | |
| ≥ 50 | 2.880 (1.110–7.472) | 0.030b | 7.798 (2.282–26.650) | 0.001b | |
| Exercise | |||||
| Propera | 1.000 | 1.000 | |||
| Improper | 1.092 (0.683–1.747) | 0.713 | 1.003 (0.521–1.933) | 0.992 | |
| Alcohol | |||||
| Propera | 1.000 | 1.000 | |||
| Improper | 0.682 (0.355–1.311) | 0.251 | 0.367 (0.168–0.805) | 0.012b | |
| Obesity | |||||
| Underweight/normala | 1.000 | 1.000 | |||
| Overweight | 0.673 (0.388–1.165) | 0.157 | 0.604 (0.277–1.314) | 0.203 | |
| Obesity | 0.992 (0.607–1.621) | 0.974 | 0.855 (0.430–1.699) | 0.654 | |
| Diseases | |||||
| Yes | 1.689 (0.839–3.397) | 0.142 | 10.002 (1.241–80.606) | 0.031b | |
| Noa | 1.000 | 1.000 | |||
Values are adjusted for age, exercise, alcohol, obesity, and presence or history of disease. The p-value calculated by adjusted logistic-regression analysis.
OR: odds ratio; CI: confidence interval.
aReference; bMean p-value is statistically significant.