Table 2 OR and 95% confidence intervals for lung cancer by major groups of industry and occupation in nonsmoking Chinese mena,b

From: Silica dust, diesel exhaust, and painting work are the significant occupational risk factors for lung cancer in nonsmoking Chinese men

  

Referents ( n =536)

All lung cancers ( n =132)

Adenocarcinoma ( n =89)

ISIC/ISCO codes

Category

n (%)

n (%)

Crude OR

Adjusted OR c

n (%)

Crude OR

Adjusted OR c

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)

  1. Abbreviations: OR=odds ratio; ISIC=International Standard Industrial Classification of All Economic Activities; ISCO=International Standard Classification of Occupations.
  2. aThe reference group consists of never employed in given industries or occupations.
  3. bThere is no case in the category of ISIC 2 and 4.
  4. cModels 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.
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