Table 3.
X-ray, drug intake, and diseases in the studied populations.
| Total N = 63 | All workers employed in TiO2 plant N = 45 | Workers producing TiO2N = 40 | Office workers N = 5 | External controls N = 18 | p value | ||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| N | % | N | % | N | % | N | % | N | % | ||
| Scan test (12 months) | |||||||||||
| Yes | 11 | 17.5 | 6 | 13.3 | 5 | 12.5 | 1 | 20.0 | 5 | 27.8 | (a) χ2 = 0.172 |
| No | 52 | 82.5 | 39 | 86.7 | 35 | 87.5 | 4 | 80.0 | 13 | 72.2 | (b) χ2 = 0.362 |
| Drug (3 months) | |||||||||||
| Yes | 36 | 83.7 | 25 | 89.3 | 20 | 87.0 | 5 | 100.0 | 11 | 73.3 | (a) χ2 = 0.177 |
| No | 7 | 16.3 | 3 | 10.7 | 3 | 13.0 | 0 | 0.0 | 4 | 26.7 | (b) χ2 = 0.311 |
| Respiratory diseases | |||||||||||
| Yes | 9 | 14.5 | 8 | 18.2 | 8 | 20.5 | 0 | 0.0 | 1 | 5.6 | (a) χ2 = 0.200 |
| No | 53 | 85.5 | 36 | 81.8 | 31 | 79.5 | 5 | 100.0 | 17 | 94.4 | (b) χ2 = 0.208 |
(a) Comparison among exposed and controls. (b) Comparison among kind of exposure and controls.