Table 3.
Risk of lung cancer by type of painter and duration of employment, stratified by sex*
| Work as a painter | Cases | All painters | Spray painters† |
Construction painters | Manufacture painters† |
Repair painters† |
Other painters‡ |
|||||
| OR (95% CI)* | Cases | OR (95% CI)* | Cases | OR (95% CI)* | Cases | OR (95% CI)* | Cases | OR (95% CI)* | Cases | OR (95% CI)* | ||
| Men | ||||||||||||
| Never | 14 959 | 1 | 14 959 | 1 | 14 959 | 1 | 14 959 | 1 | 14 959 | 1 | 14 959 | 1 |
| Ever | 649 | 1.30 (1.13 to 1.50) | 56 | 1.27 (0.80 to 2.02) | 445 | 1.31 (1.11 to 1.55) | 194 | 1.21 (0.94 to 1.55) | 64 | 1.38 (0.87 to 2.20) | 26 | 1.16 (0.60 to 2.24) |
| Duration of employment (years) | ||||||||||||
| 1–5 | 192 | 1.19 (0.93 to 1.52) | 29 | 1.80 (0.91 to 3.58) | 114 | 1.18 (0.87 to 1.60) | 88 | 1.47 (1.00 to 2.14) | 27 | 1.29 (0.62 to 2.69) | 10 | 0.73 (0.28 to 1.91) |
| 6–17 | 171 | 1.38 (1.05 to 1.81) | 14 | 1.21 (0.51 to 2.88) | 126 | 1.52 (1.10 to 2.09) | 53 | 1.10 (0.70 to 1.71) | 14 | 2.21 (0.80 to 6.08) | 7 | 1.71 (0.51 to 5.81) |
| >17 | 280 | 1.42 (1.14 to 1.77) | 12 | 0.74 (0.29 to 1.88) | 203 | 1.57 (1.22 to 2.02) | 50 | 1.11 (0.69 to 1.77) | 22 | 1.60 (0.74 to 3.47) | 7 | 2.14 (0.45 to 10.08) |
| Test for trend, p value | <0.001 | 0.7 | <0.001 | 0.23 | 0.06 | 0.32 | ||||||
| Women | ||||||||||||
| Never | 3 726 | 1 | 3 726 | 1 | 3 726 | 1 | 3 726 | 1 | 3 726 | 1 | 3 726 | 1 |
| Ever | 35 | 1.05 (0.51 to 2.14) | 12 | 0.94 (0.30 to 2.99) | 12 | 2.10 (0.57 to 7.79) | 20 | 0.72 (0.30 to 1.73) | 3 | 1.37 (0.10 to 19.36) | 1 | – |
| Men and women | ||||||||||||
| Never | 18 685 | 1 | 18 685 | 1 | 18 685 | 1 | 18 685 | 1 | 18 685 | 1 | 18 685 | 1 |
| Ever | 684 | 1.29 (1.12 to 1.48) | 68 | 1.20 (0.78 to 1.85) | 457 | 1.32 (1.12 to 1.56) | 214 | 1.16 (0.91 to 1.47) | 67 | 1.37 (0.86 to 2.16) | 27 | 1.19 (0.62 to 2.28) |
| Duration of employment (years) | ||||||||||||
| 1–5 | 213 | 1.18 (0.93 to 1.50) | 37 | 1.51 (0.81 to 2.83) | 122 | 1.15 (0.85 to 1.57) | 100 | 1.35 (0.94 to 1.95) | 28 | 1.26 (0.61 to 2.58) | 11 | 0.77 (0.30 to 1.98) |
| 6–17 | 179 | 1.33 (1.02 to 1.73) | 16 | 1.02 (0.45 to 2.31) | 128 | 1.39 (1.01 to 1.91) | 58 | 1.05 (0.67 to 1.62) | 15 | 2.02 (0.74 to 5.51) | 7 | 1.69 (0.50 to 5.75) |
| >17 | 286 | 1.44 (1.16 to 1.79) | 14 | 0.83 (0.34 to 2.02) | 205 | 1.48 (1.15 to 1.91) | 53 | 1.14 (0.71 to 1.84) | 23 | 1.36 (0.62 to 2.99) | 7 | 2.13 (0.45 to 10.03) |
| Test for trend, p value | , l0.001 | 0.85 | <0.001 | 0.29 | 0.14 | 0.32 | ||||||
*Adjusted for age, study, pack-years, time since quitting smoking, occupational exposures (list A and B jobs), sex (only for analysis of men and women combined)
†There is some overlap between manufacture, spray and repair painters
‡Painters who were not categorised as a construction, manufacture, spray or repair painter, as indicated by the combination of ISCO and ISIC codes listed in online supplemental table 1
ISCO, International Standard Classification of Occupations; ISIC, International Standard Industrial Classification of All Economic Activities.