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Table 2 Socio-demographic and behavioural sample characteristics of German boys according to quartiles of dietary pattern scores

From: Dietary patterns of adolescents in Germany - Associations with nutrient intake and other health related lifestyle characteristics

Dietary patterns Western   Healthy   Traditional  
   Q1 Q2 Q3 Q4 p Q1 Q2 Q3 Q4 p Q1 Q2 Q3 Q4 p
n 155 156 156 155   155 156 156 155   155 156 156 155  
Age (mean) 14.0 14.0 14.5 15.5 <.0001 15.0 14.3 14.5 14.5 0.1218 14.1 14.1 15.0 15.2 <.0001
Community size (number of subjects, %)                
   < 5000 inhabitants 28.0 30.8 18.1 23.1   29.7 33.1 21.1 16.2   17.9 23.8 25.4 32.9  
   5000 - < 100000 inhabitants 18.9 23.9 25.9 31.3   27.3 25.5 24.0 23.2   25.1 28.0 25.5 21.4  
   > 100000 inhabitants 24.2 22.1 25.2 28.6 0.1931 20.1 19.9 26.8 33.2 0.033 38.2 20.7 23.6 17.6 0.0079
Socioeconomic status (3-21) §† 12.7 11.5 12.4 11.4 0.0341 11.2 12.0 12.4 12.4 0.0226 12.1 12.4 12.1 11.2 0.0988
Education (number of subjects %)  
   Grammar school 33.5 21.7 25.9 18.9   12.1 24.0 33.7 30.2   30.2 28.9 22.1 18.7  
   Secondary school|| 15.7 32.0 22.3 30.0   33.1 26.2 18.4 22.3   30.3 23.4 21.5 24.8  
   Others 21.4 22.3 30.8 25.5 0.0008 28.1 27.0 16.1 28.7 0.0001 22.6 28.6 30.1 18.7 0.4305
Dietary supplement user (number of subjects, %) ঠ16.4 23.4 26.7 33.6 0.4234 17.1 19.7 26.6 36.6 0.0109 24.7 23.8 24.5 27.0 0.6456
Joint family meals (number of subjects, %)                
breakfast at least three or five times a week 29.2 30.8 21.2 18.8   23.2 27.4 23.5 26.0   23.3 24.2 24.4 28.2  
  more seldom or never 19.0 21.2 25.8 33.9 0.0004 26.1 24.4 24.8 24.7 0.8159 29.8 25.6 25.7 18.9 0.1033
lunch at least three or five times a week 24.9 27.1 23.8 24.2   23.7 26.1 23.7 26.4   28.4 23.1 26.2 22.3  
  more seldom or never 19.6 21.4 24.7 34.4 0.0678 27.0 24.5 25.0 23.5 0.7651 26.9 27.4 24.1 21.6 0.7472
dinner at least three or five times a week 24.3 25.3 24.0 26.5   19.9 25.0 25.8 29.3   28.5 25.2 22.8 23.5  
  more seldom or never 18.2 22.8 24.9 34.0 0.2888 38.4 26.4 20.4 14.8 <.0001 26.2 24.8 30.5 18.5 <.0001
Lunch at school (number of subjects, %)                
  Five times a week 7.8 7.1 10.6 6.8   7.3 8.0 7.4 9.7   1.9 13.3 7.2 9.0  
  at least one or two times a week 24.8 24.5 18.6 36.2   23.1 23.3 21.5 35.3   26.0 24.7 26.3 26.8  
  more seldom or never 67.5 68.4 70.8 57.1 0.3754 69.6 68.7 71.1 55.0 0.4794 72.1 62.0 66.5 64.2 0.2698
Cooking skills (number of subjects, %)                 
  very good 23.6 17.4 27.0 32.0   28.6 27.2 21.5 22.7   24.0 20.1 32.2 23.7  
  good 21.6 26.8 22.9 28.7   24.6 21.9 26.5 27.0   27.7 25.0 20.1 27.2  
  worse 21.4 28.5 23.8 26.3 0.4909 24.1 30.4 22.9 22.6 0.2706 31.7 31.4 27.1 9.8 0.1468
Physical activity (hours per week) 6.0 5.8 4.2 5.2 0.08 5.0 4.8 5.5 6.0 0.0398 4.7 5.6 4.7 6.4 0.042  
Time spent watching TV a day                 
  0 to 30 minutes 25.7 26.1 22.6 25.7   24.9 25.3 20.1 29.8   30.3 29.3 23.3 17.1  
  1 to 2 hour 24.8 23.4 24.3 27.6   23.0 26.9 26.3 23.8   28.0 23.8 25.9 22.3  
  3 to 4 hour or more 13.2 26.5 25.3 35.1 0.2590 31.9 21.7 23.4 23.1 0.4584 24.4 24.7 24.1 26.8 0.7075
Overweight adolescents (number of subjects, %) 21.3 22.5 29.9 26.3 0.7168 28.0 22.9 17.3 31.7 0.3934 36.6 19.6 20.4 23.4 0.2774  
  1. test for trends
  2. Χ² statistics
  3. § Index according to Winkler [33]
  4. Haupt- oder Realschule
  5. at least one time supplement use within a reference period of 4 weeks