Table 3: Regression analysis between respiratory problems adjusted with age, duration of work and S-Al/U-Al concentrations.
Respiratory symptoms | OR (95% C.I.) | AOR (95% C.I.) |
Asthma | 6.56 (1.43-30.20)*** | 6.58 (1.45-30.26)*** |
Chronic cough | 12.50 (2.78-56.24)*** | 12.51 (2.79-56.34)*** |
Morning cough with sputum | 8.29 (1.82-37.74)*** | 7.69 (1.68-35.12)*** |
Phlegm | 1.95 (1.30-2.91) | 1.91 (1.26-2.90) |
Chronic phlegm | 2.43 (0.48-12.30) | 2.43 (0.43-10.10) |
Wheeze | 4.39 (0.89-21.61) | 2.24 (0.41-12.17) |
Respiratory problems (asthma, coughing) caused by current work | 6.21 (2.89-13.36) | 6.00 (2.78-12.94) |
*Significant at P < 0.05, **significant at P < 0.01, ***significant at P < 0.001, OR: Odd Ratio; AOR: Adjusted Odd Ratio; S-Al: Serum Aluminum; U-Al: Urinary Aluminum concentrations.