Table 3 Distribution of respiratory symptoms in 120 rice mill workers by duration of employment
From: Prevalence of respiratory symptoms and disorders among rice mill workers in India
Respiratory symptoms | Duration of employment (years) | χ 2 | p value | ||
|---|---|---|---|---|---|
<10 | 10–19 | ≥20 | |||
N = 47 No. (%) | N = 31 No. (%) | N = 42 No. (%) | |||
Chest tightness | 9 (29) | 5 (10.6) | 18 (42.9) | 8.74 | <0.05 |
Phlegm | 11 (35.5) | 14 (29.8) | 24 (57.1) | 10.77 | <0.05 |
Cough | 7 (22.6) | 7 (14.9) | 12 (28.6) | 2.465 | <0.05 |
Dyspnea | 16 (51.6) | 8 (17.0) | 29 (69.0) | 16.73 | <0.05 |
Eye burning | 21 (56.8) | 19 (40.4) | 38 (90.5) | 20.7 | <0.05 |
Nose irritation | 6 (19.4) | 10 (21.3) | 14 (33.3) | 6.17 | <0.05 |