Table 3.

The differences of the Reflux Disease Questionnaire (RDQ) between HBV carriers and non-HBV subjects

Characteristics	Mean ± SD or n (%)		OR (95% CI)	P value
	Non-HBV (n = 908)	HBV (n = 93)
Burning feeling behind breastbone, frequency	0.13 ± 0.51	0.22 ± 0.67	1.27 (0.93–1.74)	0.118
Burning feeling behind breastbone, severity	0.17 ± 0.67	0.33 ± 0.97	1.27 (1.01–1.61)	0.037
Pain behind breastbone, frequency	0.17 ± 0.60	0.15 ± 0.51	0.94 (0.64–1.39)	0.767
Pain behind breastbone, severity	0.21 ± 0.68	0.25 ± 0.86	1.08 (0.81–1.43)	0.599
Acid taste in mouth, frequency	0.50 ± 0.98	0.52 ± 0.96	1.02 (0.82–1.26)	0.887
Acid taste in mouth, severity	0.59 ± 1.05	0.67 ± 1.19	1.07 (0.89–1.29)	0.485
Unpleasant movement of material upwards from the stomach, frequency	0.17 ± 0.61	0.18 ± 0.62	1.03 (0.73–1.44)	0.882
Unpleasant movement of material upwards from the stomach, severity	0.19 ± 0.63	0.23 ± 0.68	1.07 (0.78–1.47)	0.655
Pain in the central of the stomach, frequency	0.42 ± 0.99	0.54 ± 1.14	1.11 (0.92–1.34)	0.292
Pain in the central of the stomach, severity	0.54 ± 1.13	0.72 ± 1.31	1.13 (0.95–1.33)	0.156
Burning feeling in the central of the stomach, frequency	0.17 ± 0.65	0.18 ± 0.66	1.03 (0.76–1.41)	0.841
Burning feeling in the central of the stomach, severity	0.21 ± 0.74	0.29 ± 0.92	1.13 (0.88–1.44)	0.335

Data are shown by mean ± standard deviation or proportion of the character

P < 0.05 is considered as statistical significance