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. 2020 Sep 1;12:24. doi: 10.1186/s11689-020-09327-0

Table 1.

Demographic characteristics

Overall participants (N = 85)
Sex, n (%)
 Male 40 (47.1)
 Female 45 (52.9)
Age strata (years), n (%)
 ≤ 2 1 (1.2)
 > 2 to ≤ 5 11 (12.9)
 > 5 to ≤ 9 16 (18.8)
 > 9 to ≤14 17 (20.0)
 > 14 to < 18 9 (10.6)
 ≥ 18 to ≤ 40 22 (25.9)
 > 40 9 (10.6)
Age at consent, years
 Mean (SD) 17.8 (14.57)
 Median (range) 14 (2–72)
Country of residence, n (%)
 Belgium 18 (21.2)
 France 33 (38.8)
 Germany 7 (8.2)
 Spain 7 (8.2)
 UK 4 (4.7)
 Japan 15 (17.6)
 Turkey 1 (1.2)

SD standard deviation, UK United Kingdom