Table 3. Multiple Regression Model for the Trends in Chronic Hepatitis B Incidence Rates Among the Population of Poland for the Years 2005 to 2013^a.

	b Parameterb	Stat. zc	P Valued
Intercept	-1088.08	-6.01	< 0.0001
Year	0.55	6.05	< 0.0001
Sex	-1.98	-10.44	< 0.0001
Place of residence	1.2	6.35	< 0.0001
Age	75.23	4.20	< 0.0001
Year*Age	-0.04	-4.22	< 0.0001

^aGEE analysis results (link: identity, family: Gaussian, correlation: autoregressive 1).

^bb parameter: multiple regression equation coefficient.

^cstat. z: value of test statistics.

^dP Value: based on normal distribution.