TABLE 2.

Comparison of smokeless tobacco users and non-tobacco users according to upper respiratory tract symptoms

Upper respiratory tract symptoms	Smokeless tobacco users users		Non-tobacco		x²	p	OR
	n	%	n	%
Cough
Yes	111	60.7	72	39.3	12.17	<0.001	1.871 (1.313–2.667)
No	187	45.2	227	54.8
Sputum
Yes	127	65.8	66	34.2	28.55	<0.001	2.615 (1.829–3.738)
No	170	42.4	231	57.6
Hoarseness
Yes	62	53.4	54	46.6	0.62	0.031	–
No	237	49.4	243	50.6
Shortness of breath
Yes	99	59.3	68	40.7	7.99	<0.005	1.683 (1.171–2.418)
No	199	46.4	230	53.6
Reflux
Yes	85	50.0	85	50.0	0.00	0.938	–
No	213	50.4	210	49.6
Dysphagia
Yes	65	60.7	42	39.3	6.43	0.011	1.733 (1.130–2.657)
No	226	47.2	253	52.8
Snore
Yes	155	55.6	124	44.4	6.87	0.009	1.540 (1.115–2.129)
No	142	42.8	175	52.2
Apnea hypopnea
Yes	68	63.0	40	37.0	8.75	0.003	1.900 (1.237–2.918)
No	230	47.2	257	52.8
Neck pain
Yes	82	49.1	85	50.9	0.07	0.785	–
No	217	50.3	214	49.7
Swelling in the neck
Yes	24	51.1	23	48.1	0.02	0.879	–
No	275	49.9	276	50.1
Pruritus
Yes	46	55.4	37	44.6	1.13	0.287	–
No	253	49.1	262	50.9

Pearson Chi-Square Test; α: 0.05.