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Table 1 Observed (Obs) and expected (Exp) numbers of cancer of the nasopharynx and standardised incidence ratios (SIR) among men, by country and occupation. Only occupational categories with ≥5 cases (Nordic total) are shown. Country-specific numbers for Iceland not shown

From: Occupational risk variation of nasopharyngeal cancer in the Nordic countries

Occupational category

Denmark

Finland

Norway

Sweden

Nordic total

Obs

Exp

SIR

95% CI

Obs

Exp

SIR

95% CI

Obs

Exp

SIR

95% CI

Obs

Exp

SIR

95% CI

Obs

Exp

SIR

95% CI

Technical workers. Etc

21

20.7

1.01

0.63–1.55

21

17.1

1.23

0.76–1.87

5

13.6

0.37

0.12–0.86

83

90.2

0.92

0.73–1.14

130

141.9

0.92

0.77–1.09

Health workers

0

4.1

0.00

0.00–0.97

4

2.3

1.76

0.48–4.51

5

3.6

1.39

0.45–3.24

10

12.1

0.83

0.40–1.52

19

22.2

0.86

0.51–1.34

Teachers

5

9.1

0.55

0.18–1.29

4

6.7

0.60

0.16–1.53

10

9.8

1.02

0.49–1.87

15

23.4

0.64

0.36–1.06

36

49.3

0.73

0.51–1.01

Artistic workers

1

1.2

0.87

0.02–4.84

1

1.3

0.74

0.02–4.14

2

1.5

1.37

0.17–4.95

4

5.63

0.71

0.19–1.82

8

9.7

0.83

0.36–1.63

Religious workers etc

1

3.6

0.28

0.01–1.56

2

4.1

0.49

0.06–1.76

3

4.9

0.61

0.13–1.78

18

19.6

0.92

0.54–1.45

25

32.5

0.77

0.50–1.14

Administrators

15

22.2

0.68

0.38–1.12

18

10.0

1.79

1.06–2.83

12

17.3

0.69

0.36–1.21

36

34.4

1.05

0.73–1.45

81

84.3

0.96

0.76–1.19

Clerical workers

15

10.1

1.48

0.83–2.44

4

6.4

0.63

0.17–1.61

12

13.2

0.91

0.47–1.59

30

37.4

0.80

0.54–1.14

61

67.7

0.90

0.69–1.16

Sales agents

5

5.4

0.93

0.30–2.16

17

9.5

1.79

1.04–2.86

9

15.3

0.59

0.27–1.11

51

55.2

0.92

0.69–1.21

83

85.8

0.97

0.77–1.20

Shop workers

27

22.3

1.21

0.80–1.76

7

4.3

1.63

0.66–3.36

6

6.1

0.98

0.36–2.14

20

17.3

1.15

0.71–1.78

60

50.3

1.19

0.91–1.54

Farmers

26

40.1

0.65

0.42–0.95

22

38.1

0.58

0.36–0.88

37

40.5

0.91

0.64–1.26

80

89.4

0.89

0.71–1.11

165

208.8

0.79

0.68–0.92

Gardeners

4

5.8

0.69

0.19–1.76

10

6.1

1.64

0.79–3.02

5

10.2

0.49

0.16–1.15

37

33.6

1.10

0.78–1.52

56

55.7

1.00

0.76–1.31

Fishermen

5

2.2

2.32

0.75–5.42

1

0.5

1.94

0.05–10.79

22

13.4

1.64

1.03–2.49

1

3.6

0.28

0.01–1.55

29

20.4

1.42

0.95–2.04

Forestry workers

0

0.8

0.00

0.00–4.38

9

7.4

1.22

0.56–2.31

4

7.5

0.53

0.15–1.36

15

24.7

0.61

0.34–1.00

28

40.4

0.69

0.46–1.00

Miners and quarry workers

1

0.3

3.69

0.09–20.54

4

1.2

3.27

0.89–8.38

4

2.2

1.79

0.49–4.59

3

6.3

0.47

0.10–1.38

12

10.1

1.19

0.62–2.08

Seamen

3

2.5

1.22

0.25–3.57

3

1.6

1.84

0.38–5.38

18

11.4

1.58

0.93–2.49

7

5.6

1.26

0.50–2.59

31

21.2

1.46

0.99–2.07

Transport workers

3

4.9

0.62

0.13–1.80

4

4.6

0.87

0.24–2.23

7

5.6

1.25

0.50–2.58

18

17.9

1.01

0.60–1.59

32

33.2

0.96

0.66–1.36

Drivers

23

16.7

1.38

0.87–2.07

18

15.7

1.14

0.68–1.81

16

16.4

0.97

0.56–1.58

54

46.1

1.17

0.88–1.53

113

95.4

1.19

0.99–1.42

Postal workers

4

3.3

1.22

0.33–3.13

3

2.4

1.27

0.26–3.71

4

3.1

1.29

0.35–3.29

14

10.3

1.36

0.75–2.29

25

19.1

1.31

0.85–1.94

Textile workers

1

2.8

0.36

0.01–2.01

0

1.4

0.00

0.00–2.61

0

3.3

0.00

0.00–1.13

8

10.9

0.74

0.32–1.45

9

18.4

0.49

0.22–0.93

Shoe and leather workers

0

0.7

0.00

0.00–5.55

0

0.6

0.00

0.00–6.04

2

1.4

1.42

0.17–5.12

7

4.36

1.61

0.65–3.31

9

7.06

1.27

0.58–2.42

Smelting workers

6

6.7

0.89

0.33–1.94

0

2.3

0.00

0.00–1.63

1

4.6

0.22

0.01–1.21

21

17.6

1.19

0.74–1.82

28

31.3

0.89

0.59–1.29

Mechanics

15

17.7

0.85

0.47–1.40

10

15.9

0.63

0.30–1.15

27

22.6

1.19

0.79–1.74

82

82.8

0.99

0.79–1.23

135

139.5

0.97

0.82–1.15

Plumbers

1

1.6

0.61

0.02–3.42

0

2.7

0.00

0.00–1.37

2

2.7

0.75

0.09–2.70

11

9.5

1.15

0.58–2.07

14

16.6

0.84

0.46–1.41

Welders

Undetermined

2

2.8

0.71

0.09–2.58

5

3.0

1.65

0.54–3.86

12

10.9

1.10

0.57–1.92

19

16.8

1.13

0.68–1.77

Electrical workers

4

4.4

0.92

0.25–2.35

6

7.1

0.85

0.31–1.85

10

10.0

1.00

0.48–1.85

27

28.8

0.94

0.62–1.36

47

50.5

0.93

0.68–1.24

Wood workers

4

11.8

0.34

0.09–0.87

15

15.3

0.98

0.55–1.62

26

25.0

1.04

0.68–1.53

70

54.6

1.28

1.00–1.62

115

106.9

1.08

0.90–1.29

Painters

5

4.0

1.25

0.41–2.93

4

3.3

1.19

0.33–3.06

3

4.3

0.69

0.14–2.02

15

16.0

0.94

0.52–1.54

27

27.8

0.97

0.64–1.41

Bricklayers

11

4.4

2.53

1.26–4.52

3

1.6

1.86

0.38–5.45

6

2.5

2.36

0.87–5.14

8

7.1

1.13

0.49–2.23

28

15.6

1.80

1.20–2.60

Printers

4

2.9

1.39

0.38–3.56

1

1.7

0.60

0.02–3.37

3

2.7

1.11

0.23–3.24

15

8.7

1.72

0.96–2.83

23

16.1

1.43

0.91–2.15

Chemical process workers

2

2.5

0.81

0.10–2.91

4

2.6

1.53

0.42–3.91

5

5.8

0.87

0.28–2.03

14

13.4

1.04

0.57–1.75

25

24.3

1.03

0.67–1.52

Food workers

9

8.2

1.09

0.50–2.08

3

1.9

1.61

0.33–4.70

8

6.6

1.22

0.53–2.40

17

13.3

1.28

0.75–2.05

37

30.2

1.22

0.86–1.69

Glass makers etc

6

4.8

1.26

0.46–2.74

4

2.8

1.43

0.39–3.65

10

3.3

3.06

1.47–5.64

13

14.7

0.89

0.47–1.51

33

25.6

1.29

0.89–1.81

Packers

8

4.2

1.92

0.83–3.78

6

5.5

1.09

0.40–2.37

8

10.0

0.80

0.35–1.58

26

27.0

0.96

0.63–1.41

48

46.9

1.02

0.76–1.36

Engine operators

11

4.4

2.50

1.25–4.47

10

7.9

1.26

0.61–2.33

4

5.9

0.68

0.19–1.75

24

22.5

1.07

0.68–1.59

49

41.0

1.20

0.88–1.58

Public safety workers

3

4.0

0.75

0.16–2.20

4

4.4

0.92

0.25–2.34

6

4.1

1.46

0.54–3.17

11

13.2

0.83

0.42–1.49

24

25.9

0.93

0.59–1.38

Cooks and stewards

0

0.3

0.00

0.00–10.59

1

0.3

2.99

0.08–16.68

4

2.0

2.05

0.56–5.25

7

2.6

2.68

1.08–5.53

12

5.4

2.24

1.16–3.91

Waiters

5

0.7

6.81

2.21–15.88

0

0.3

0.00

0.00–11.08

4

0.8

4.79

1.30–12.25

3

1.3

0.00

0.46–6.59

12

3.2

3.69

1.91–6.45

Building caretakers

2

4.2

0.48

0.06–1.72

7

3.6

1.96

0.79–4.04

1

2.2

0.46

0.01–2.54

13

10.9

1.19

0.63–2.04

23

20.9

1.10

0.70–1.65

Hairdressers

2

1.19

1.69

0.20–6.09

0

0.1

0.00

0.00–46.17

2

0

0.64

0.00–5.79

6

2.6

2.33

0.85–5.07

8

4.5

1.78

0.77–3.51

Military personnel

0

2.2

0.00

0.00–1.67

1

1.6

0.63

0.02–3.53

2

3.5

0.57

0.07–2.05

4

7.5

0.53

0.15–1.37

7

14.8

0.47

0.19–0.97

Other economically active

35

30.8

1.14

0.79–1.58

13

16.1

0.81

0.43–1.39

32

25.5

1.25

0.86–1.77

70

69.5

1.01

0.79–1.27

154

143.4

1.07

0.91–1.26

Economically inactive

19

12.5

1.52

0.91–2.37

17

21.9

0.78

0.45–1.24

8

10.0

0.80

0.34–1.57

56

54.5

1.03

0.78–1.33

100

99.6

1.00

0.83–1.22

All categories

312

 

1.00

Ref

263

 

1.00

Ref

358

 

1.00

Ref

1037

 

1.00

Ref

1980

 

1.00

Ref

  1. Statistically significant SIR values are bolded
  2. CI confidence interval