Table 1: Samples studied.

Sardinians in
Argentina (306)
AIFA
Sardinian sub-sample (309)
AIFA
Total sample
(3398)
% Males 47.7 47.8
(χ 2=0.01, 1df, P=0.99)
42.3
(χ 2=0.23, 1df, P=0.63)
% ≤40 years of age 14.4 37.9
(χ 2=46.90, 1df, P<0.0001)
43.4
(χ 2=98.32, 1df, P<0.0001)
% University graduates 38.6 24.6
(χ 2=13.89, 1df, P<0.0001)
26.2
(χ 2=21.68, 1df, P<0.0001)