Table 2. OR and 95% confidence intervals for lung cancer by major groups of industry and occupation in nonsmoking Chinese mena,b.
| Referents (n=536) |
All lung cancers (n=132)
|
Adenocarcinoma (n=89)
|
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|---|---|---|---|---|---|---|---|---|
| ISIC/ISCO codes | Category | n (%) | n (%) | Crude OR | Adjusted ORc | n (%) | Crude OR | Adjusted ORc |
| ISIC | Major industrial division | |||||||
| 1 | Agriculture, hunting, forestry, and fishing | 1 (0.2) | 1 (0.8) | 4.08 (0.25, 65.72) | 7.36 (0.28, 190.77) | 1 (1.1) | 6.08 (0.38, 98.09) | 19.29 (0.72, 502.49) |
| 3 | Manufacturing | 98 (18.3) | 28 (21.2) | 1.20 (0.75, 1.93) | 1.00 (0.58, 1.70) | 18 (20.2) | 1.13 (0.65, 1.99) | 0.95 (0.51, 1.79) |
| 5 | Construction | 37 (6.9) | 15 (11.4) | 1.73 (0.92, 3.26) | 1.61 (0.79, 3.26) | 10 (11.2) | 1.71 (0.82, 3.57) | 1.68 (0.74, 3.84) |
| 6 | Wholesale and retail trade, and restaurants and hotels | 78 (14.6) | 18 (13.6) | 0.93 (0.53, 1.61) | 1.04 (0.55, 1.94) | 12 (13.5) | 0.92 (0.48, 1.76) | 1.00 (0.48, 2.10) |
| 7 | Transport, storage, and communication | 80 (14.9) | 16 (12.1) | 0.79 (0.44, 1.40) | 0.71 (0.37, 1.35) | 9 (10.1) | 0.64 (0.31, 1.33) | 0.60 (0.27, 1.33) |
| 8 | Financing, insurance, real estate, and business services | 34 (6.3) | 3 (2.3) | 0.34 (0.10, 1.14) | 0.43 (0.12, 1.55) | 2 (2.2) | 0.34 (0.08, 1.44) | 0.40 (0.09, 1.85) |
| 9 | Community, social, and personal services | 149 (27.8) | 35 (26.5) | 0.94 (0.61, 1.44) | 1.02 (0.62, 1.67) | 25 (28.1) | 1.02 (0.62, 1.67) | 0.97 (0.55, 1.69) |
| 10 | Activities not adequately defined | 34 (6.3) | 8 (6.1) | 0.95 (0.43, 2.11) | 1.02 (0.41, 2.53) | 6 (6.7) | 1.07 (0.44, 2.62) | 1.21 (0.45, 3.26) |
| ISCO | Major occupational group | |||||||
| 0/1 | Professional, technical, and related workers | 50 (9.3) | 14 (10.6) | 1.15 (0.62, 2.16) | 1.58 (0.76, 3.29) | 7 (7.9) | 0.83 (0.36, 1.89) | 0.90 (0.35, 2.29) |
| 2 | Administrative and managerial workers | 29 (5.4) | 7 (5.3) | 0.98 (0.42, 2.29) | 1.18 (0.47, 2.97) | 5 (5.6) | 1.04 (0.39, 2.76) | 1.19 (0.42, 3.36) |
| 3 | Clerical and related workers | 47 (8.8) | 16 (12.1) | 1.44 (0.79, 2.62) | 1.53 (0.76, 3.08) | 11 (12.4) | 1.47 (0.73, 2.95) | 1.48 (0.67, 3.29) |
| 4 | Sales workers | 77 (14.4) | 15 (11.4) | 0.76 (0.42, 1.38) | 0.79 (0.41, 1.54) | 10 (11.2) | 0.76 (0.37, 1.52) | 0.65 (0.29, 1.46) |
| 5 | Services | 111 (20.7) | 30 (22.7) | 1.13 (0.71, 1.78) | 0.90 (0.53, 1.53) | 23 (25.8) | 1.33 (0.79, 2.24) | 1.09 (0.60, 1.98) |
| 6 | Agricultural animal husbandry and forestry workers, fishermen, and hunters | 16 (3.0) | 3 (2.3) | 0.76 (0.22, 2.63) | 0.78 (0.20, 2.97) | 3 (3.4) | 1.13 (0.32, 3.97) | 1.21 (0.31, 4.68) |
| 7/8/9 | Production and related workers, transport equipment operators and labourers | 285 (53.2) | 87 (65.9) | 1.70 (1.14, 2.54) | 1.58 (0.99, 2.54) | 61 (68.5) | 1.92 (1.19, 3.10) | 1.72 (1.00, 2.98) |
| 7–0 | Production supervisors and general foremen | 74 (13.8) | 21 (15.9) | 1.18 (0.70, 2.00) | 0.88 (0.48, 1.62) | 12 (13.5) | 0.97 (0.51, 1.88) | 0.68 (0.32, 1.46) |
| 8–0 | Shoemaker and leather goods makers | 86 (16.0) | 27 (20.5) | 1.35 (0.83, 2.18) | 1.41 (0.82, 2.42) | 19 (21.3) | 1.42 (0.81, 2.48) | 1.57 (0.85, 2.90) |
| 9–5 | Bricklayers, carpenters, and other construction workers | 32 (6.0) | 16 (12.1) | 2.17 (1.15, 4.09) | 2.25 (1.11, 4.54) | 10 (11.2) | 1.99 (0.94, 4.22) | 2.11 (0.94, 4.75) |
Abbreviations: OR=odds ratio; ISIC=International Standard Industrial Classification of All Economic Activities; ISCO=International Standard Classification of Occupations.
aThe reference group consists of never employed in given industries or occupations.
bThere is no case in the category of ISIC 2 and 4.
c
Models were adjusted for age, place of birth, education level, residential radon exposure, past history of lung diseases, any cancer in first-degree relatives, and intake of meat. Bold values indicate P<0.05.