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. 2022 Jul 19;17(7):e0268838. doi: 10.1371/journal.pone.0268838

Table 1. Socio-demographic characteristics of the sample.

Variable N %
Gender NA = 2
    Female 750 61.2%
    Male 476 38.8%
Age NA = 14
    14–15 years 594 48.9%
    16–17 years 353 29.1%
    18–20 years 248 20.4%
    21–25 years 19 1.6%
Geographical region a
    Northern Italy 50 4.1%
    Central Italy 723 58.9%
    Southern Italy and Islands 445 36.2%

Descriptive statistics (frequencies) about the socio-demographic characteristics of the sample (N = 1.228).

aRegions in Northern Italy: Trentino Alto-Adige, Lombardia, Valle d’Aosta, Piemonte; Regions in Central Italy: Tuscany, Lazio; Regions in Southern Italy: Campania, Sicilia.