Table 1—

Characteristics of popcorn plant cases, evaluated 1999–2001

	Case no.
	1	2	3	4	5	6	7	8	9
Age at symptom onset yrs	39	51	41	27	33	44	42	34	48
Sex	M	M	F	M	M	F	F	F	M
Smoking pack-yrs	1	25	0	8	15	0	50	1.5	0
Mixing job	+	+	−	+	+	−	−	−	+
Year employment started	1984	1997	1993	1997	1990	1994	1996	1998	1992
Year of symptom onset	1993	1998	1994	1998	1996	1995	1997	1998	1994
Year employment stopped	2001	1999	1994	1999	1999	1996	1998	2000	1999
Acute onset	−	−	+	+	−	−	−	−	−
Cough	+	+	+	+	+	+	+	+	+
Dyspnoea	+	+	+	+	+	+	+	+	+
Wheeze	+	+	+	+	+	+	+	+	+
Phlegm	−	−	−	−	+	−	−	+	+
Weight loss since symptom onset kg	9.6	22.7	3.6	0	15.9	9.1	3.6	0	13.6
Fever	+	−	−	−	+	−	+	+	−
Myalgia	+	+	+	+	+	+	+	+	+
Fatigue	+	+	+	+	+	+	+	+	+
Night sweats	+	−	+	+	−	+	+	+	−
Eye irritation	+	+	+	+	+	+	+	+	+
Nasal irritation	−	−	−	+	+	+	+	+	−
Skin irritation	−	+	−	−	+	−	−	−	−
Year listed for lung transplant			1995	1999		2000			1999