Table 1.

Demographic, Occupational and Behavioral Characteristics, and Symptoms of AKI-CD Cases (n = 527)

Variable	Men		Women
	Respondents	Median (IQR) or N (%)	Respondents	Median (IQR) or N (%)
Total	500		27
Age a (years)	500	28 (24-35)	27	34 (30-45)
Occupational
Field workers a (%)	500	440 (88%)	27	25 (93%)
Hours worked/day a	372	8 (8-12)	23	8 (8-12)
Days worked/week a	372	6 (6-6)	23	6 (6-6)
Day of week of clinical diagnosis
Sunday	500	26 (5%)	27	0
Monday	500	74 (15%)	27	7 (26%)
Tuesday	500	104 (21%)	27	5 (19%)
Wednesday	500	88 (18%)	27	5 (19%)
Thursday	500	90 (18%)	27	7 (26%)
Friday	500	81 (16%)	27	3 (11%)
Saturday	500	37 (7%)	27	0
Behavior a
Days since symptoms onset	434	2 (0-6)	26	2 (1-5)
NSAID use	500	25 (5%)	27	2 (7%)
Antibiotics use	500	25 (5%)	27	4 (15%)
Symptoms a
Headache	500	282 (56%)	27	19 (70%)
Nausea	500	276 (54%)	27	22 (81%)
Lumbar pain	500	263 (53%)	27	17 (63%)
Dyspnea	500	254 (51%)	27	15 (56%)
Fever	500	253 (51%)	27	13 (48%)
Loss of appetite	500	240 (48%)	27	16 (59%)
Muscle weakness	500	238 (48%)	27	17 (63%)
Vomiting	500	230 (46%)	27	18 (67%)
Paresthesia	500	228 (46%)	27	18 (67%)
Cramps	500	209 (42%)	27	17 (63%)
Myalgia	500	185 (37%)	27	11 (41%)
Fatigue	500	166 (34%)	27	12 (44%)
Joint pain	500	161 (33%)	27	14 (52%)
Abdominal pain	500	158 (32%)	27	16 (59%)
Dizziness	500	147 (29%)	27	14 (52%)
Tremor	500	142 (28%)	27	15 (56%)
Neck pain	499	111 (22%)	27	13 (48%)
Blurred vision	500	100 (20%)	27	11 (41%)
Dysuria	500	95 (19%)	27	11 (41%)
Cough	500	94 (19%)	27	11 (41%)
Chest pain	500	84 (17%)	27	9 (33%)
Confusion	500	46 (9%)	27	7 (26%)
Diarrhea	500	44 (9%)	27	3 (11%)
Rash	500	40 (8%)	27	4 (15%)
Edema	500	23 (5%)	27	12 (44%)

^aResponses to a questionnaire administered by mill staff at hospital.