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Table 2 Standardized prevalence ratio and standardized rate ratio by industrial sectors and job categories (Reference: Korean female general population)

From: Thyroid cancer among female workers in Korea, 2007–2015

  Total Non-office Office Non-office/Office
Industry sectors Cases SPR 95% CI Cases SPR 95% CI Cases SPR 95% CI SRR 95% CI
Agriculture, forestry, fishing, mining and quarrying 13 1.90 1.01 3.25 7 1.48 0.59 3.05 6 2.86 1.05 6.22 0.52 0.17 1.54
Manufacture of beverages and food products 43 1.28 0.92 1.72 34 1.30 0.90 1.82 9 1.20 0.55 2.27 1.08 0.52 2.26
Manufacture of textiles and apparel 48 1.21 0.90 1.61 26 0.96 0.63 1.41 22 1.76 1.10 2.66 0.55 0.31 0.97
Manufacture of coke, briquettes, refined petroleum, chemicals and chemical products 20 1.94 1.18 3.00 9 1.42 0.65 2.70 11 2.75 1.38 4.93 0.52 0.21 1.25
Manufacture of rubber and plastics products 12 0.99 0.51 1.73 7 0.79 0.32 1.64 5 1.50 0.49 3.50 0.53 0.17 1.67
Manufacture of basic metals 23 1.15 0.73 1.73 16 1.20 0.68 1.94 7 1.06 0.43 2.19 1.13 0.46 2.73
Manufacture of electronic components, computer; visual, sounding and communication equipment 53 1.35 1.01 1.77 43 1.39 1.01 1.88 10 1.19 0.57 2.18 1.18 0.59 2.34
Manufacture of electrical equipment 13 1.28 0.68 2.20 6 0.85 0.31 1.84 7 2.31 0.93 4.75 0.37 0.12 1.09
Manufacture of machinery and equipment 127 1.24 1.03 1.47 96 1.20 0.97 1.47 31 1.35 0.92 1.92 0.89 0.59 1.33
Manufacture of motor vehicles, trailers and semitrailers, and transport equipment 38 1.20 0.85 1.65 30 1.16 0.78 1.66 8 1.37 0.59 2.70 0.85 0.39 1.85
Manufacture of wood, products of wood, cork and furniture 16 1.55 0.88 2.51 7 1.03 0.41 2.13 9 2.53 1.16 4.81 0.41 0.15 1.09
Other manufacturing 52 1.57 1.17 2.06 33 1.45 1.00 2.03 19 1.84 1.11 2.88 0.79 0.45 1.38
Construction 68 1.54 1.19 1.95 18 1.12 0.66 1.76 50 1.78 1.32 2.34 0.63 0.37 1.08
Wholesale and retail trade 262 1.76 1.55 1.99 116 1.54 1.27 1.84 146 1.99 1.68 2.34 0.77 0.60 0.98
Transportation 42 1.74 1.25 2.35 21 1.69 1.05 2.58 21 1.79 1.11 2.74 0.94 0.52 1.73
Accommodation and food service activities 67 1.12 0.87 1.42 45 1.24 0.90 1.66 22 0.94 0.59 1.43 1.31 0.79 2.19
Publishing activities, motion picture, broadcasting activities, telecommunications, information service activities 57 2.32 1.76 3.01 18 2.06 1.22 3.26 39 2.46 1.75 3.37 0.84 0.48 1.46
Financial and insurance activities 173 3.52 3.02 4.09 31 2.96 2.01 4.20 142 3.68 3.10 4.33 0.80 0.55 1.19
Real estate activities and rental and leasing activities 87 1.17 0.93 1.44 46 1.01 0.74 1.35 41 1.40 1.01 1.90 0.72 0.47 1.10
Professional, scientific and technical activities 70 1.79 1.39 2.26 18 1.30 0.77 2.05 52 2.06 1.54 2.70 0.63 0.37 1.08
Business facilities management and business support services 105 1.13 0.92 1.37 65 0.99 0.76 1.26 40 1.48 1.06 2.01 0.67 0.45 0.99
Public administration and defense; compulsory social security 456 1.86 1.69 2.04 55 1.39 1.04 1.80 401 1.95 1.77 2.15 0.71 0.53 0.94
Education 277 1.74 1.54 1.96 127 1.61 1.34 1.91 150 1.87 1.59 2.20 0.86 0.68 1.09
Human health and social work activities 240 1.72 1.51 1.96 164 1.71 1.46 2.00 76 1.74 1.37 2.18 0.98 0.75 1.29
Arts, sports and recreation related services 29 1.31 0.88 1.88 16 1.10 0.63 1.79 13 1.70 0.90 2.90 0.65 0.31 1.35
Membership organizations, repair and other personal services 104 1.35 1.10 1.64 50 1.09 0.81 1.44 54 1.74 1.31 2.27 0.63 0.43 0.92
  1. For age-standardized external comparison, the total of 155,842 workers, of which 73,226/82,616 workers were classified as non-office/office respectively, were enrolled, after excluding those workers who either have deceased or for whom the data between the year of 2007 and 2014 regarding their occupation and information on categorization of occupation (non-office/office) did not exist. Among them, 2537 workers, of which 1120/1417 workers were classified as non-office/office respectively, were diagnosed with thyroid cancer