n† | Self-reported exposure (%) | Expert exposure assessment (%) | McNemar test (p value) | Kappa coefficient | Phi coefficient | Sensitivity | Specificity | |
Formaldehyde‡ | 287 | 26.5 | 31.2 | 0.009 | 0.60 | 0.61 | 64.9 | 92.2 |
Glutaraldehyde‡ | 281 | 3.9 | 5.2 | NS | 0.52 | 0.52 | 46.7 | 98.5 |
Bleach, chlorine | 323 | 45.2 | 48.6 | 0.02 | 0.82 | 0.82 | 86.8 | 95.1 |
Alcohol | 313 | 64.9 | 92.4 | <0.0001 | 0.21 | 0.32 | 69.1 | 90.9 |
Quaternary ammonium‡ | 265 | 16.6 | 63.3 | <0.0001 | 0.08 | 0.15 | 20.2 | 92.2 |
Ammonia | 309 | 7.4 | 18.3 | <0.0001 | 0.52 | 0.59 | 39.7 | 100.0 |
Sprays | 322 | 39.3 | 35.2 | 0.01 | 0.84 | 0.84 | 94.8 | 91.3 |
Latex gloves | 300 | 80.7 | 71.3 | <0.0001 | 0.69 | 0.72 | 98.6 | 63.9 |
↵* Specific exposures listed (more than 10 participants exposed).
↵† Number of jobs without missing values for either of the two exposure estimates.
↵‡ Job classified by experts as environmentally exposed (table E1 in online supplement) to formaldehyde (n=13), glutaraldehyde (n=12) or quaternary ammonium components (n=32) were excluded from the analyses of each concerned specific exposure.