Table 2: Frequency of neurological symptoms in studied participants stratified by job status (applicators vs nonapplicators). Using logistic regression analysis, independent effects of job status as well as khat chewing on developing the symptoms are also presented.
	n (%)		OR (95% CI)
Neurologic symptoms	Non-applicators (n=29)	Applicators (n=32)	Job status	Khat chewing
Dizziness	1 (3)	13 (41)	61.1 (5.1 to 743.2)	16.7 (5.1 to 743.2)
Feeling anxious	7 (24)	16 (50)	8.3 (1.6 to 43.1)	16.6 (3.2 to 86.1)
Nausea and vomiting	2 (7)	6 (19)	3.1 (0.6 to 16.9)	—
Feeling tired	6 (21)	15 (47)	5.5 (1.4 to 21.0)	5.0 (1.3 to 18.7)
Excessive sweating	4 (14)	11 (34)	4.1 (1.0 to 16.6)	—
Difficulty seeing at night	3 (10)	10 (31)	13.0 (1.8 to 92.4)	—
Being absent-minded	6 (21)	8 (20)	2.1 (0.5 to 8.0)	6 (1.5 to 23.8)
Headache	8 (28)	23 (72)	14.7 (3.0 to 72.7)	8.5 (1.7 to 42.4)
Loss of appetite	5 (17)	11 (34)	20.0 (2.1 to 195.4)	92.0 (7.9 to 1068.3)
Fast heart rate	3 (10)	2 (6)	0.6 (0.1 to 3.7)	—
Difficulty with balance	1 (3)	4 (13)	4.0 (0.4 to 38.1)	—
Blurred vision	6 (21)	8 (25)	1.3 (0.4 to 4.3)	—
Difficulty in concentration	2 (7)	8 (25)	12.8 (1.5 to 108.3)	1.4 (1.0 to 2.0)
Numbness	3 (10)	14 (44)	20.2 (3.1 to 131.8)	—
Momentary loss of consciousness	5 (17)	8 (25)	2.6 (0.6 to 10.3)	—
Feeling irritable	5 (17)	8 (25)	1.6 (0.5 to 5.6)	5.3 (1.3 to 21.7)
Shaking or trembling of hands	1 (3)	8 (25)	23.2 (2.2 to 239.8)	14.4 (2.2 to 95.7)
Difficulty in falling asleep	6 (21)	4 (13)	0.5 (0.1 to 2.1)	—
Weakness in arms and legs	2 (7)	5 (16)	5.4 (0.9 to 33.3)	—
Change in smell and taste	3 (10)	5 (16)	1.6 (0.3 to 7.4)	—
Feeling depressed	5 (17)	5 (16)	0.9 (0.2 to 3.5)	—
Involuntary movements	2 (7)	3 (9)	1.4 (0.2 to 9.0)	—
Excessive salivation	1 (3)	2 (6)	2.5 (0.2 to 31.5)	—
Tinnitus	3 (10)	6 (19)	2.0 (0.5 to 8.9)	—