Table 3

 Odds ratios (ORs) for stomach cancer by duration of employment in selected occupation and industry groups among men

Duration (years)
1–9⩾10
Cases/controlsOR* (95% CI)Cases/controlsOR* (95% CI)
*ORs for every employment in specific occupation and industrial groups adjusted for age, education, smoking, and number of jobs.
†Infinity.
Occupational groups
Agricultural and fishery workers24/430.7 (0.4 to 1.3)16/141.1 (0.5 to 2.3)
Inspectors and vehicle controllers3/41.1 (0.2 to 5.3)7/51.6 (0.5 to 5.2)
Machine and plant operators6/32.5 (0.6 to 10.5)4/90.4 (0.1 to 1.4)
Metal workers27/400.9 (0.5 to 1.7)44/431.1 (0.7 to 1.8)
Mining and construction workers16/360.5 (0.3 to 1.0)25/191.0 (0.5 to 2.0)
Salespersons8/62.0 (0.7 to 6.3)3/0INF†
Teaching professionals9/150.9 (0.3 to 2.1)3/230.13 (0.04 to 0.46)
Transport and freight handlers20/191.6 (0.8 to 3.3)28/251.2 (0.6 to 2.2)
Industrial groups
Agriculture, crops19/350.7 (0.4 to 1.2)13/150.8 (0.3 to 1.7)
Agriculture, livestock, and fishing3/31.8 (0.3 to 9.7)1/20.6 (0.1 to 6.4)
Agriculture and forestry services5/100.7 (0.2 to 2.2)4/15.6 (0.6 to 51.9)
Financial institutions3/130.3 (0.1 to 1.2)6/51.8 (0.5 to 6.3)
Food and tobacco products15/151.6 (0.7 to 3.4)9/91.2 (0.5 to 3.2)
General construction18/380.6 (0.3 to 1.2)34/360.8 (0.5 to 1.4)
Glass, clay, cement, stone products3/60.7 (0.2 to 3.1)4/22.2 (0.4 to 12.5)
Instruments, jewellery, and toys6/130.8 (0.3 to 2.4)8/71.6 (0.5 to 4.5)
Leather goods1/20.8 (0.1 to 8.7)7/0INF†
Machinery manufacturing9/300.5 (0.2 to 1.0)26/181.4 (0.8 to 2.8)
Metal products, fabricated15/122.3 (1.0 to 5.1)8/51.8 (0.6 to 5.9)
Metal products, primary5/71.2 (0.4 to 4.0)2/50.5 (0.1 to 2.7)
Mining5/61.1 (0.3 to 3.6)2/21.2 (0.2 to 8.9)
Publishing6/61.2 (0.4 to 4.1)12/82.0 (0.8 to 5.2)
Railroad, highway, and water17/280.8 (0.4 to 1.6)19/290.6 (0.3 to 1.2)
Retail stores18/271.0 (0.5 to 2.0)20/151.5 (0.7 to 3.1)
Special trade construction8/101.1 (0.4 to 3.0)14/34.1 (1.1 to 14.9)
Wood and related products5/160.4 (0.1 to 1.0)5/41.3 (0.3 to 5.2)