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Table 1 Distribution of the individual independent variables and age-adjusted prevalence of weekly binge drinking and weekly alcohol consumption (i.e. drinking at least one alcoholic beverage per week) among 14–17 years-old students from 6 European cities participating in the SILNE survey, 2013

From: Adolescent alcohol use and parental and adolescent socioeconomic position in six European cities

  All participants Weekly binge drinking Weekly alcohol consumption
N % Age-adjusted prevalence 95%CI Age-adjusted prevalence 95%CI
Gender
 Female 4658 53.5 2.9 (2.4–3.5) 8.4 (7.7–9.3)
 Male 4047 46.5 5.6 (4.9–6.3) 14.6 (13.5–15.7)
City (country)
 Namur (Belgium) 1653 19.0 6.1 (5.1–7.3) 15.7 (14.1–17.4)
 Tampere (Finland) 1016 11.7 1.1 (0.7–1.9) 2.1 (1.4–3.1)
 Hannover (Germany) 1060 12.2 4.9 (3.6–6.7) 7.6 (6.0–9.6)
 Latina (Italy) 1874 21.5 5.7 (4.7–6.8) 19.8 (18.1–21.7)
 Amersfoort (Netherlands) 1548 17.8 4.6 (3.5–5.9) 13.8 (12.0–15.7)
 Coimbra (Portugal) 1554 17.8 1.9 (1.4–2.6) 4.7 (3.9–5.8)
Migrant background
 Native 6988 80.3 4.3 (3.8–4.8) 12.1 (11.4–12.9)
 Mixed couples 913 10.5 4.8 (3.6–6.5) 10.8 (8.9–12.9)
 Both parents immigrants 804 9.2 3.1 (2.1–4.5) 6.4 (4.9–8.2)
Parental education level
 Low level 1177 13.5 5.3 (4.1–6.8) 11.5 (9.7–13.6)
 Middle level 3497 40.2 4.7 (4.0–5.5) 12.7 (11.5–13.9)
 High level 4031 46.3 3.7 (3.1–4.4) 10.8 (9.8–11.9)
Family Affluence Scale
 0–2 837 9.6 5.5 (4.0–7.4) 11.4 (9.3–13.7)
 3 1360 15.6 4.1 (3.1–5.2) 9.7 (8.3–11.4)
 4 2253 25.9 3.7 (3.0–4.5) 9.3 (8.2–10.5)
 5 1522 17.5 3.8 (2.9–4.9) 12.0 (10.5–13.8)
 6–7 2733 31.4 4.5 (3.7–5.4) 13.7 (12.4–15.1)
Academic achievement
 Insufficient (<50%) 313 3.6 7.0 (4.9–10.0) 14.2 (11.0–18.1)
 Low (50–59%) 1117 12.8 5.5 (4.3–7.0) 14.0 (12.1–16.2)
 Average (60–69%) 3616 41.5 4.9 (4.2–5.6) 12.8 (11.8–14.0)
 Good (70–84%) 2784 32.0 3.2 (2.6–3.9) 9.8 (8.7–10.9)
 High (>85%) 875 10.1 1.5 (0.9–2.6) 5.3 (4.0–6.9)
Student weekly income
 0–5 € 2063 23.7 2.4 (1.8–3.1) 6.9 (5.9–8.0)
 6–10 € 2084 23.9 2.0 (1.5–2.7) 7.3 (6.3–8.4)
 11–20 € 2070 23.8 3.8 (3.1–4.7) 11.3 (10.0–12.7)
 21–50 € 1623 18.7 5.9 (4.8–7.2) 15.5 (13.8–17.3)
  > 50 € 865 9.9 10.7 (8.7–13.1) 22.8 (20.1–25.9)
Total 8705 100.0 8541   8652  
Total prevalence    4.2 (3.8–4.6) 11.3 (10.7–12.0)
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