Table 4.

Statistically significant results of single-factor linear regression analysis between incidence and mortality in men with socio-economic factors.

Epidemiological Index (Age-Modified per 100,000 Population)	Socio—Economic Index	p-Value	Number of Records †
Incidence in men, Benzo (k) 2012 levels	Gross National Income (GNI) per capita, purchasing power parity (PPP) (current international $)	0.043	27
Mortality in men, Hg 1992 levels	Adjusted net national income per capita (constant 2005 US$)	0.040	22
	Adjusted net national income per capita (currentUS$)	0.010	24
	Hospital beds (per 1000 persons)	0.036	24
	Life expectancy at birth, total (years)	0.048	26
	Labor force participation rate, male (% of male population, ages 15–64)	0.034	26
	Gross Domestic Product (GDP) (current US$)	0.013	24
	GNI per capita, PPP (current international $)	0.040	22
	Gross enrolment ratio, all levels combined (except pre-primary)for both sexes	0.007	23

†: Although the total number of records for each socio-economic factor should be equal to the number of EU member states (27). There were cases where there was no data for some countries.