Demographic, smoking and occupational characteristics of engineered stone workers with silicosis from four countries
| Overall | Australia | Israel | Spain | USA | P value* | |
| N=169 | N=14 | N=125 | N=20 | N=10 | ||
| Demographics | ||||||
| Age, mean±SD | 51.7±11.4 | 34.1±8.3 | 54.2±10.4 | 47.5±8.2 | 52.9±8.5 | <0.0001 AI, AS, AU, IS |
| Male, n (%) | 167 (98.8) | 14 (100.0) | 125 (100.0) | 20 (100.0) | 8 (80.0) | 0.0032UI |
| Smoking | ||||||
| Current/former, n (%) | 111 (66.1) | 13 (92.9) | 82 (66.1) | 12 (60.0) | 4 (40.0) | 0.0390AU |
| Never, n (%) | 57 (33.9) | 1 (7.1) | 42 (33.9) | 8 (40.0) | 6 (60.0) | 0.0390 AU |
| Cigarette pack-years, mean±SD | 20.8±20.6 | 8.1±7.6 | 25.2±22.1 | 9.3±7.4 | 9.4±7.2 | 0.0034AI |
| Work tenure | ||||||
| Industry years worked†, mean±SD | 19.9±9.8 | 10.6±6.0 | 21.3±10.0 | 18.9±8.2 | 17.3±5.1 | 0.0008AI |
*One-way ANOVA for continuous variables and Fisher’s exact tests for categorical variables between all countries. Individual comparisons: A=Australia, I=Israel, S=Spain, U=USA.
†Years worked in industry include manufacture of engineered stone products, masonry and stone setting.
ANOVA, analysis of variance.