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Table 4 Socio-demographic characteristics of alcohol users and non-users among Korean adolescents

From: Prevalence, correlates, and associated psychological problems of substance use in Korean adolescents

  Alcohol users (n = 30,566), % Non-users (n = 41,494), % OR (95 % CI) p-value
Age (years), mean (95 % CI) 15.60 (1.65) 14.56 (1.68) 1.44 (1.43–1.44) <0.001
Sex, male, % 58.8 47.2 1.60 (1.59–1.61) <0.001
Area of residence, %     
 Rural 7.5 5.7 ref  
 Small city 49.7 50.1 0.76 (0.75–0.77) <0.001
 Large city 42.8 44.2 0.74 (0.73–0.75) <0.001
Paternal Education, %     
 Middle school education or lower 4.6 2.6 ref  
 High school education 41.1 33.0 0.71 (0.70–0.72) <0.001
 College degree or higher 54.4 64.4 0.48 (0.48–0.49) <0.001
Maternal Education, %     
 Middle school education or lower 3.7 2.4 ref  
 High school education 52.0 42.8 0.79 (0.78–0.80) <0.001
 College degree or higher 44.2 54.7 0.53 (0.52–0.53) <0.001
Residential type, %     
 With family 94.7 96.9 ref  
 With relatives 1.2 0.6 2.05 (2.00–2.10) <0.001
 With friends, alone, domitory 3.5 2.2 1.65 (1.63–1.67) <0.001
 Facility 0.6 0.3 1.91 (1.85–1.97) <0.001
Socio-economic status, %     
 Low 5.2 2.8 ref  
 Low-Middle 17.1 12.1 0.77 (0.76–0.78) <0.001
 Middle 47.8 48.6 0.54 (0.53–0.54) <0.001
 High-Middle 23.0 27.7 0.46 (0.45–0.46) <0.001
 High 6.8 8.8 0.42 (0.42–0.43) <0.001
Academic achievement, %     
 Low 14.3 8.4 ref  
 Low-Middle 26.5 22.2 0.70 (0.70–0.71) <0.001
 Middle 27.0 28.7 0.55 (0.55–0.56) <0.001
 High-Middle 22.4 26.6 0.49 (0.49–0.50) <0.001
 High 9.8 14.1 0.41 (0.40–0.41) <0.001
  1. OR odd ratios, CI confidence intervals