Chest tightness | Chronic bronchitis | Chronic cough | Dyspnoea (+2) | Any symptom† | |
---|---|---|---|---|---|
*The GEE analysis was performed using all available data of 429 cotton and 449 silk workers over 15 years, with adjustment for age, gender, years worked, and smoking status. Statistically significant odds ratios are italicised. | |||||
†Positive report for any of the symptoms including chest tightness, chronic bronchitis, cough, and dyspnoea. | |||||
Cotton workers (n = 429) | |||||
Retirement from mills | 0.3 (0.11 to 0.97) | 0.3 (0.09 to 0.90) | 0.3 (0.11 to 0.89) | 0.2 (0.09 to 0.55) | 0.2 (0.11 to 0.48) |
Years since last worked | 0.9 (0.86 to 0.98) | 0.8 (0.77 to 0.92) | 0.9 (0.81 to 0.96) | 0.9 (0.82 to 0.94) | 0.9 (0.80 to 0.92) |
Silk workers (n = 449) | |||||
Retirement from mills | 0.3 (0.10 to 0.86) | 0.1 (0.05 to 0.45) | 0.3 (0.09 to 0.78) | 0.5 (0.24 to 1.01) | 0.4 (0.18 to 0.65) |
Years since last worked | 1.0 (0.92 to 1.15) | 1.0 (0.86 to 1.04) | 1.0 (0.86 to 1.06) | 1.0 (0.91 to 1.03) | 1.0 (0.91 to 1.01) |