Seroprevalence of anti-HAV among patients with chronic viral liver disease

Table 4 Factors affecting seropositivity for IgG anti-hepatitis A virus on the multivariable analysis

Characteristics	Anti-HAV positivity, n (%)	OR (95% CI)	P value
Age (≥ 40 yr)	809/852 (94.95)	33.44 (20.14-55.52)	< 0.001
Female	245/272 (90.07)	2.07 (1.16-3.71)	0.014
Etiology			0.487
HBV	827/956 (86.51)	1
HCV	27/30 (90)	0.61 (0.15-2.47)
Status of liver disease			0.075
Chronic viral hepatitis	425/529 (80.34)	1
Liver cirrhosis	429/457 (93.87)	1.64 (0.95-2.82)
Place of residence			0.035
Seoul	311/389 (79.95)	1
Gyeonggi-do	241/274 (87.96)	1.51 (0.86-2.66)	0.153
Metropolitan cities	96/101 (95.05)	4.11 (1.37-12.35)	0.012
Other provinces	206/223 (92.38)	1.84 (0.93-3.65)	0.080

HBV: Hepatitis B virus; HCV: Hepatitis C virus; HAV: Hepatitis A virus; OR: Odds ratio; CI: Confidence interval.