Table 2.

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

	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

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