Table 2 (a) Cross-table between occupational exposure to inhalable noxious substances according to self-report in the questionnaire and the Job-Exposure matrix (JEM), n = 4811. (b) comparison of occupational exposure assessment: Self-Reported versus Job-Exposure matrix by occupational requirement level.
(a) | |||
---|---|---|---|
JEM exposure | |||
Exposed | Not exposed | Total self-reported | |
Exposed | 591 (12.3%) | 462 (9.6%) | 1053 (21.9%) |
Not exposed | 877 (18.2%) | 2881 (59.9%) | 3758 (78.1%) |
Total JEM | 1468 (30.5%) | 3343 (69.5%) | 4811 (100%) |
Cohen‘s Kappa 0.29 |
(b) | |||||
---|---|---|---|---|---|
Skill Level (low to high) | Self-Reported | JEM | Cohen’s Kappa | ||
n exposed | n not exposed | n exposed | n not exposed | ||
Category 1 | 30 | 77 | 77 | 30 | 0.17 |
Category 2 | 502 | 1320 | 719 | 1103 | 0.33 |
Category 3 | 242 | 794 | 300 | 736 | 0.33 |
Category 4 | 279 | 1567 | 372 | 1474 | 0.14 |