Year started employment | Cases (n) | Controls (n) | OR (95% CI) | |
Men | ||||
Vehicle and mobile equipment mechanics (SOC 611) | <1950 | 22 | 15 | 2.3 (1.1 to 4.6) |
1950–59 | 37 | 33 | 1.8 (1.1 to 3.0) | |
1960–69 | 32 | 27 | 1.5 (0.9 to 2.6) | |
1970–79 | 18 | 20 | 1.2 (0.6 to 2.4) | |
1980+ | 10 | 15 | 0.7 (0.3 to 1.8) | |
Automobile mechanics (SOC 6111) | <1950 | 12 | 4 | 4.4 (1.3 to 14) |
1950–59 | 14 | 12 | 1.6 (0.7 to 3.7) | |
1960–69 | 17 | 11 | 1.8 (0.8 to 4.1) | |
1970–79 | 10 | 11 | 0.9 (0.4 to 2.3) | |
1980+ | 6 | 8 | 0.9 (0.3 to 2.9) | |
Plumbers, pipefitters and steam fitters (SOC 645) | <1950 | 7 | 2 | 3.1 (0.6 to 16) |
1950–59 | 11 | 5 | 3.4 (1.1 to 10) | |
1960–69 | 7 | 6 | 1.3 (0.4 to 4.1) | |
1970–79 | 3 | 6 | 0.6 (0.1 to 2.6) | |
1980+ | 5 | 6 | 0.6 (0.2 to 2.1) | |
Precision metalworkers (SOC 681–2) | <1950 | 9 | 8 | 1.6 (0.6 to 4.5) |
1950–59 | 22 | 13 | 3.0 (1.4 to 6.2) | |
1960–69 | 12 | 7 | 2.2 (0.8 to 6.0) | |
1970–79 | 5 | 6 | 1.1 (0.3 to 3.8) | |
1980+ | 5 | 3 | 2.6 (0.6 to 12) | |
Metalworking and plasticworking machine operators and tenders (SOC 751–2) | <1950 | 5 | 4 | 1.9 (0.5 to 7.4) |
1950–59 | 19 | 13 | 1.9 (0.9 to 4.1) | |
1960–69 | 12 | 6 | 2.8 (0.98 to 7.8) | |
1970–79 | 8 | 8 | 0.7 (0.3 to 2.1) | |
1980+ | 3 | 4 | 0.9 (0.2 to 4.7) | |
Textile, apparel, and furnishing machine operators and tenders (SOC 765) | <1950 | 13 | 9 | 2.0 (0.8 to 4.8) |
1950–59 | 18 | 4 | 8.5 (2.7 to 27) | |
1960–69 | 8 | 11 | 0.6 (0.2 to 1.5) | |
1970+ | 7 | 5 | 1.6 (0.5 to 5.2) | |
Women | ||||
Health service occupations (SOC 523) | <1960 | 6 | 7 | 2.2 (0.7 to 7.1) |
1960–69 | 7 | 10 | 1.9 (0.6 to 5.4) | |
1970–79 | 11 | 6 | 4.7 (1.6 to 14) | |
1980+ | 14 | 13 | 2.2 (0.9 to 5.2) | |
Cleaning and building service occupations, except private household (SOC 524) | <1970 | 10 | 4 | 5.5 (1.6 to 19) |
1970–79 | 5 | 7 | 2.4 (0.7 to 8.5) | |
1980+ | 13 | 8 | 3.6 (1.3 to 9.9) |
↵* Table shows three- and four-digit occupational codes with significant positive trends in risk with duration of employment. Computer system analysts and information clerks are excluded because of small numbers. Adjusted for age (<55, 55–64, 65–74, 75+ years), race (white only, Native American/white, other races), Hispanic ethnicity (yes/no), state (Maine, New Hampshire, Vermont), smoking status (never, occasional (<100 cigarettes over lifetime), former, current) and employment in high-risk occupations other than the one being analysed (ever/never).
SOC, Standard Occupational Classification.