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Table 4 Baseline nutritional attitudes and behaviours of students, overall and by the assigned strategy

From: PRALIMAP: study protocol for a high school-based, factorial cluster randomised interventional trial of three overweight and obesity prevention strategies

  Overall Educational
strategy
Screening
strategy
Environmental
strategy
    No Yes No Yes No Yes
  N = 5,458 N = 2,483 N = 2,975 N = 2,771 N = 2,687 N = 2,794 N = 2,664
  %/
mean*
SEM** %/
mean*
SD¥ %/
mean*
SD¥ %/
mean*
SD¥ %/
mean*
SD¥ %/
mean*
SD¥ %/
mean*
SD¥
Knowledge score (0-100) 50.9 0.5 51.9 9.1 51.2 9.0 51.6 9.0 51.4 9.1 51.7 9.1 51.3 9.0
Dietary guidelines followed               
   Fruits and vegetables (≥ 5#) 13.0   12.3   14.5   13.0   14.0   13.4   13.6  
   Meats, eggs and fishes (1-2#) 94.7   94.7   95.1   95.0   94.8   95.2   94.6  
   Sugary foods (2-3#) 33.3   35.2   33.1   32.6   35.5   33.4   34.7  
   Dairy product (3-4#) 40.8   40.3   43.3   42.1   41.8   41.6   42.3  
   Starchy foods (3 to 6#) 69.1   70.7   71.0   71.1   70.7   71.6   70.1  
   Drinks (≥ 5#) 85.9   85.5   86,0   85.6   85.7   84.9   86.7  
   Number of meals per week (21-28) 61.1   62.6   64.1   64.1   62.7   64.0   62.8  
Nibbling 70.9   70.0   68.2   69.3   68.8   67.5   70.7  
Physical activities guidelines followed 47.1   45.6   47.3   45.9   47.2   46.3   46.8  
Number of nutritional guidelines followed 4.3 0.04 4.3 1.3 4.4 1.3 4.3 1.3 4.3 1.3 4.4 1.3 4.3 1.3
   ≤ 2 9.3   8.1   8.2   7.9   8.5   8.1   8.3  
   3 18.3   18.1   17.2   17.4   17.7   16.8   18.4  
   4 30.0   30.6   27.9   30.1   28.2   30.1   28.1  
   5 25.4   26.0   26.5   26.2   26.3   25.8   26.7  
   6 12.7   12.6   15.1   14.1   13.8   14.4   13.5  
   ≥ 7 4.2   4.6   5.2   4.4   5.5   4.8   5.1  
  1. ¶ Overall baseline characteristic parameters are estimated according to stratification and cluster design
  2. * Data are mean when SD is displayed or percentages
  3. ** Standard Error of the Mean
  4. ¥ Standard Deviation
  5. # Number of daily servings recommended by nutritional guidelines