Age-standardised prevalence rates (95% CI), OR and prevalence ratio (PR) of current smokers; data on Korean men aged 25–64 years participating in the Korean National Health and Nutrition Examination Survey
| 2007 | 2008 | 2009 | 2010 | 2011 | 2012 | p For trend | |
|---|---|---|---|---|---|---|---|
| Total | 47.8 (44.3 to 51.4) | 50.6 (49.1 to 52.0) | 49.9 (48.6 to 51.2) | 52.0 (50.2 to 53.8) | 50.1 (48.0 to 52.2) | 47.0 (44.9 to 49.0) | <0.0001 |
| Non-manual | 38.7 (30.1 to 47.2) | 43.7 (39.2 to 48.2) | 44.4 (40.1 to 48.7) | 46.6 (41.7 to 51.5) | 43.8 (38.6 to 48.9) | 40.9 (35.3 to –46.4) | <0.0001 |
| General managers and professionals | 38.9 (24.2 to 53.5) | 45.2 (38.1 to 52.3) | 45.5 (38.3 to 52.6) | 46.1 (37.5 to 54.6) | 43.2 (34.8 to 51.6) | 41.1 (31.4 to 50.8) | – |
| Office workers | 36.5 (15.1 to 57.8) | 42.0 (26.9 to 57.2) | 39.9 (32.5 to 47.4) | 46.1 (36.3 to 55.9) | 45.2 (32.2 to 58.2) | 40.0 (27.4 to 52.7) | – |
| Manual | 57.0 (48.9 to 65.0) | 56.1 (52.4 to 59.8) | 55.6 (51.8 to 59.4) | 57.8 (51.5 to 64.0) | 54.5 (48.8 to 60.2) | 50.6 (43.9 to 57.4) | <0.0001 |
| Agricultural and fishery workers | 52.5 (40.7 to 64.3) | 63.4 (46.0 to 80.8) | 47.1 (18.7 to 75.5) | 43.7 (19.1 to 68.3) | 43.9 (0.0 to 140.7) | 55.4 (5.0 to 105.8) | – |
| Craft and related workers, plant and machine operators and assemblers | 54.7 (43.0 to 66.4) | 56.3 (51.0 to 61.6) | 56.0 (50.4 to 61.5) | 56.5 (48.3 to 64.7) | 53.6 (45.1 to 62.1) | 52.5 (42.6 to 62.4) | – |
| Elementary occupations (construction and mining) | 68.0 (31.6 to 104.4) | 51.4 (26.8 to 75.9) | 56.7 (37.7 to 75.8) | 60.8 (24.6 to 96.0) | 57.1 (32.2 to 82.0) | 41.6 (3.81 to 79.4) | |
| Service or sales workers | 52.0 (36.4 to 67.5) | 50.0 (40.8 to 59.3) | 52.9 (43.9 to 62.0) | 53.4 (43.0 to 63.9) | 54.7 (43.8 to 65.5) | 46.5 (29.6 to 63.4) | <0.0001 |
| OR of manual vs non-manual | 2.00 (1.43 to 2.80) | 1.67 (1.33 to 2.10) | 1.63 (1.32 to 2.01) | 1.60 (1.20 to 2.13) | 1.47 (1.11 to 1.94) | 1.41 (1.05 to 1.88) | <0.0001 |
| OR of service vs non-manual | 1.96 (1.22 to 3.16) | 1.31 (0.94 to 1.81) | 1.46 (1.07 to 1.99) | 1.32 (0.97 to 1.82) | 1.56 (1.14 to 2.13) | 1.13 (0.73 to 1.74) | 0.0389 |
| PR of manual vs non-manual | 1.33 (1.12 to 1.59) | 1.14 (1.02 to 1.26) | 1.10 (0.99 to 1.22) | 1.10 (0.99 to 1.23) | 1.08 (0.96 to 1.21) | 1.10 (0.97 to 1.26) | <0.0001 |
| PR of service vs non-manual | 1.43 (1.16 to 1.78) | 1.07 (0.93 to 1.24) | 1.14 (1.00 to 1.30) | 1.11 (0.97 to 1.28) | 1.19 (1.02 to 1.39) | 1.03 (0.85 to 1.25) | <0.0095 |