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Mean of personal characteristics and PEFR of the fish smokers and matched controls at Oyorokoto fishing settlement at the time of the study.
| Characteristics | Fish smokers | Control group | p-value |
| (N=210) | (N=210) | ||
| Age (years) | 31.46±13.03 | 30.36±12.58 | 0.416 |
| Height (cm) | 157±0.05 | 158±0.06 | 0.088 |
| Weight (kg) | 58.64±9.88 | 59.65±10.46 | 0.338 |
| PEFR (L/min) | 321±58.93 | 400±42.92 | 0.0001 |
