Table II.

Respiratory symptoms among salt water fish (pilchard and anchovy) processing workers

Symptom history	Prevalence (%) (n = 594)
Chest symptoms
Wheezing in the past yr.	86 (14%)
Woken up by tight chest in the past yr.	49 (9%)
Shortness of breath in the past yr.	26 (4%)
Woken up by shortness of breath in the past yr.	23 (4%)
Woken up by cough in the past yr.	110 (19%)
Asthma history
Doctor diagnosed asthma	42 (7%)
Current use of asthma medication	24 (4%)
Work-related asthma symptom experience
Ever inhaled an excessive amount of   dust/vapours/mist	124 (21%)
Work-related asthma symptoms   (tight chest or wheezing)	93 (16%)
Job change due to work-related chest symptoms	10 (2%)
Ocular-nasal symptoms
Hayfever current	134 (23%)
Work-related ocular-nasal symptoms	157 (26%)