Prevalence of self-reported acute symptoms in grain and animal feed industry workers in Norway*
| Symptoms | Exposed (n=56) | Referents (n=36) | p Value, χ2† |
|---|---|---|---|
| Nausea and/or vomit | 1 (2) | 2 (6) | 0.32 |
| Diarrhoea | 2 (4) | 0 | 0.25 |
| Headache | 17 (30) | 8 (22) | 0.39 |
| Fatigue | 17 (30) | 9 (25) | 0.58 |
| Fever attack | 6 (11) | 0 | 0.04 |
| Muscular pain | 15 (27) | 9 (25) | 0.85 |
| Influenza/cold | 12 (21) | 9 (25) | 0.69 |
| Sore throat | 6 (11) | 3 (8) | 0.71 |
| Cough | 19 (34) | 5 (14) | 0.03 |
| Cough with phlegm | 11 (20) | 2 (6) | 0.06 |
| Cough±phlegm | 20 (22) | 6 (17) | 0.05 |
| Tight chest | 3 (5) | 4 (11) | 0.32 |
| Wheezing | 6 (11) | 0 | 0.04 |
| Dyspnoea | 7 (13) | 3 (8) | 0.51 |
| Wheezing/tight chest/dyspnoea | 10 (18) | 6 (17) | 0.59 |
| Nose itch/sting | 6 (11) | 2 (6) | 0.38 |
| Runny nose | 16 (29) | 8 (22) | 0.50 |
| Σ Nose symptoms | 19 (34) | 9 (10) | 0.43 |
| Eye itch/sting | 12 (21) | 2 (6) | 0.04 |
| Runny eyes | 6 (11) | 1 (3) | 0.16 |
| Σ Eye symptoms | 13 (23) | 2 (6) | 0.03 |
| Hand itch/sting | 2 (4) | 0 | 0.25 |
| Skin rash | 4 (7) | 1 (3) | 0.37 |
| Σ Skins symptoms | 5 (9) | 1 (3) | 0.24 |
Bold values indicate p≤0.05.
*n (%) of the study population without respiratory protective equipment.
†p Value calculated between exposed workers and referents.