Table 2.

Association between syphilis incidence rate and sociodemographic factors: explained variance, correlation and regression coefficients (analysis at county level)

	Explained variance	Regression coefficient	P value of regression coefficient	Correlation coefficient
Non-Estonian population (percentage)	0.259	0.738	0.000	0.509
Urban population (percentage)	0.275	0.841	0.000	0.524
Homicide rate (per 100,000)	0.095	−0.632	0.118	−0.308
Unemployment rate (percentage)	0.001	−0.002	0.909	−0.022
Live births (per 1000 females, age 15–49)	0.251	−0.012	0.000	−0.501
Tuberculosis incidence rate (per 100,000)	0.197	0.009	0.002	0.444