Table 2. Adjusted odds ratio of self-rated subjective health status by demographic and lifestyle variables according to smoking status in the 2007-2012 Korea National Health and Nutrition Examination Survey*.
| Classification | Non-smoker (n = 16,590) | Former smoker (n = 5,454) | Current-smoker (n = 5,490) |
|---|---|---|---|
| Gender | |||
| Male | 1.484 (1.305-1.687) | 1.24 (1.011-1.522) | 1.422 (1.171-1.726) |
| Female | Ref (1.0) | Ref (1.0) | Ref (1.0) |
| Age (yr) | |||
| 20-29 | Ref (1.0) | Ref (1.0) | Ref (1.0) |
| 30-39 | 0.824 (0.719-0.944) | 0.802 (0.609-1.056) | 0.857 (0.707-1.039) |
| 40-49 | 0.801 (0.697-0.920) | 0.831 (0.625-1.105) | 0.798 (0.648-0.981) |
| 50-59 | 0.630 (0.539-0.736) | 0.684 (0.515-0.910) | 0.650 (0.513-0.823) |
| 60- | 0.394 (0.334-0.465) | 0.596 (0.445-0.797) | 0.506 (0.389-0.657) |
| Residence area | |||
| Urban | 1.123 (1.018-1.238) | 1.203 (1.021-1.416) | 1.022 (0.878-1.191) |
| Rural | Ref (1.0) | Ref (1.0) | Ref (1.0) |
| Income | |||
| 1st Q | Ref (1.0) | Ref (1.0) | Ref (1.0) |
| 2nd Q | 1.167 (1.053-1.292) | 1.127 (0.942-1.350) | 1.253 (1.065-1.475) |
| 3rd Q | 1.273 (1.148-1.412) | 1.158 (0.968-1.386) | 1.327 (1.113-1.583) |
| 4th Q | 1.403 (1.259-1.563) | 1.544 (1.262-1.890) | 1.452 (1.218-1.731) |
| Occupation | |||
| Clerical | 1.209 (1.111-1.315) | 1.593 (1.333-1.904) | 1.250 (1.036-1.508) |
| Manual | 1.160 (1.034-1.302) | 1.470 (1.179-1.832) | 1.316 (1.030-1.683) |
| Technical | 0.979 (0.805-1.190) | 1.879 (1.494-2.362) | 1.299 (1.037-1.626) |
| Unemployed | Ref (1.0) | Ref (1.0) | Ref (1.0) |
| Education level | |||
| <High school | Ref (1.0) | Ref (1.0) | Ref (1.0) |
| High school | 1.232 (1.110-1.367) | 1.328 (1.116-1.579) | 1.288 (1.099-1.510) |
| College and more | 1.432 (1.279-1.604) | 1.719 (1.426-2.073) | 1.315 (1.101-1.570) |
| Drinking status | |||
| Non drinker | Ref (1.0) | Ref (1.0) | Ref (1.0) |
| Mild drinker | 1.179 (1.092-1.273) | 1.330 (1.108-1.598) | 1.306 (1.050-1.624) |
| Moderate drinker | 1.303 (1.095-1.550) | 1.433 (1.168-1.758) | 1.318 (1.043-1.666) |
| Heavy drinker | 1.260 (0.996-1.595) | 1.351 (1.093-1.670) | 1.193 (0.948-1.500) |
| Obesity | |||
| Lean | Ref (1.0) | Ref (1.0) | Ref (1.0) |
| Normal | 1.34 (1.136-1.581) | 1.589 (1.074-2.351) | 1.379 (1.000-1.901) |
| Obese | 1.138 (0.950-1.363) | 1.461 (0.969-2.203) | 1.098 (0.789-1.530) |
| Regular exercise | |||
| Yes | 1.185 (1.076-1.304) | 1.24 (1.064-1.445) | 1.377 (1.181-1.605) |
| No | Ref (1.0) | Ref (1.0) | Ref (1.0) |
| Regular walk | |||
| Yes | 1.234 (1.137-1.340) | 1.239 (1.091-1.408) | 1.24 (1.091-1.409) |
| No | Ref (1.0) | Ref (1.0) | Ref (1.0) |
| Stress level | |||
| Heavy | Ref (1.0) | Ref (1.0) | Ref (1.0) |
| Moderate | 1.619 (1.330-1.973) | 2.500 (1.645-3.799) | 1.750 (1.312-2.333) |
| Little | 3.451 (2.853-4.174) | 3.912 (2.594-5.898) | 3.372 (2.593-4.385) |
| None | 5.908 (4.786-7.293) | 6.427 (4.213-9.806) | 5.908 (4.331-8.059) |
*Adjusted for gender, age, residence area, income, occupation, smoking and drinking status, education, stress level, obesity, and physical activities.