Discordant Group 1* Over-report | Discordant Group 2† Under-report | ||||||
---|---|---|---|---|---|---|---|
n | % | p Value‡ | n | % | p Value‡ | ||
No of workers | |||||||
Overall | 1313 | 49 | 3.7 | 174 | 13.3 | ||
Cases | 419 | 20 | 4.8 | <0.05 | 90 | 21.5 | <0.05 |
Controls | 894 | 29 | 3.2 | 84 | 9.4 | ||
Population controls | 397 | 10 | 2.5 | 45 | 11.3 | ||
Hospital controls | 497 | 19 | 3.8 | 39 | 7.8 | ||
Sex | |||||||
Male | 574 | 37 | 6.4 | <0.0001 | 133 | 23.2 | <0.05 |
Female | 739 | 12 | 1.6 | 41 | 5.5 | ||
Age (years) | |||||||
<35 | 124 | 1 | 0.8 | 0.21 | 9 | 7.3 | 0.06 |
35–44 | 189 | 8 | 4.2 | 17 | 9.0 | ||
45–54 | 230 | 4 | 1.7 | 22 | 9.6 | ||
55–64 | 275 | 14 | 5.1 | 36 | 13.1 | ||
65–74 | 339 | 8 | 2.4 | 30 | 8.8 | ||
75+ | 156 | 14 | 9.0 | 60 | 38.5 | ||
Education (years) | |||||||
<8 | 235 | 7 | 3.0 | 0.92 | 58 | 24.7 | 0.36 |
8–12 | 548 | 24 | 4.4 | 81 | 14.8 | ||
13+ | 507 | 18 | 3.6 | 32 | 6.3 | ||
No of jobs | |||||||
Occupation | |||||||
Professional/technical | 600 | 14 | 2.3 | <0.0001 | 8 | 1.3 | <0.0001 |
Construction | 69 | 3 | 4.3 | 28 | 40.6 | ||
Blue collar excluding construction | 399 | 20 | 5.0 | 145 | 36.3 | ||
Other§ | 972 | 13 | 1.3 | 16 | 1.6 | ||
Duration of employment (years) | |||||||
1–10 | 1137 | 24 | 2.1 | <0.0001 | 136 | 12.0 | 0.40 |
11–20 | 439 | 13 | 3.0 | 40 | 9.1 | ||
>20 | 296 | 12 | 4.1 | 28 | 9.5 | ||
Decade of job termination | |||||||
<1940 | 87 | 0 | 0.0 | 0.34 | 11 | 12.6 | 0.16 |
1940–1949 | 136 | 0 | 0.0 | 22 | 16.2 | ||
1950–1959 | 276 | 7 | 2.5 | 32 | 11.6 | ||
1960–1969 | 379 | 9 | 2.4 | 38 | 10.0 | ||
1970–1979 | 508 | 8 | 1.6 | 35 | 6.9 | ||
1980–1989 | 679 | 10 | 1.5 | 46 | 6.8 | ||
>1990 | 1020 | 18 | 1.8 | 65 | 6.4 |
*Exposed according to self-reports, but unexposed according to DOM-JEM.
†Unexposed according to self-reports, but exposed according to DOM-JEM.
‡p Values from χ2 and t tests across discordant and concordant assessment groups.
§Includes administrative, managerial, clerical, sales, service, agricultural and related workers.
DOM-JEM, general population job-exposure matrix.