Table 1. The seroprevalence of anti-HAV IgG antibodies in Shaanxi in 2017.

	Sample size (N)	Seroprevalence (%)	Pearson’s x2	P
Age groups:
2∼9	345	80.9
10∼15	414	49.3*		<0.05
16∼27	402	59.0*		<0.05
28∼38	286	87.8
39∼60	112	94.6*		<0.05
Urban/rural:
Urban	589	74.7
Rural	970	65.7	14.000	<0.000
Gender
Male	715	67.8
Female	844	70.1	0.967	0.325
Total	1,559	69.1

Notes.

The chi-square test was done with comparing to 2–9 years group.