Table 1. Study samples.

	Sardinians in Argentina (n=306)	AIFA study Sardinian sample (n=309)	AIFA study Italian overall sample (n=3,398)
Gender (male)	47.7	47.8 (χ2 = 0.01, 1df, p = 0.999)	42.3 (χ2 = 0.23, 1df, p = 0.634)
Age ≤ 40 years	14.4	37.9 (χ2 = 46.90, 1df, p < 0.001)	43.4 (χ2 = 98.32, 1df, p < 0.001)
Graduate-level education	38.6	24.6 (χ2 = 13.89, 1df, p < 0.001)	26.2 (χ2 = 21.68, 1df, p < 0.001)
First generation	48 (15.9)

Data presented as % unless noted otherwise.

AIFA = Associazione Italiana del Farmaco (AIFA); df = degree of freedom.