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Table 4 Association between life style factors and systolic (SBP) and diastolic (DBP) blood pressure (mm Hg) in boys.

From: Life style related to blood pressure and body weight in adolescence: Cross sectional data from the Young-HUNT study, Norway

   SBP, mm Hg DBP, mm Hg
Variables N Mean (95% CI) P-trend Mean (95% CI) P-trend
Regularity of breakfast*        
   Every day 2840 125.2 124.8–125.6 -- 65.0 64.7–65.2 --
   4–6 days per week 404 125.7 124.6–126.8 -- 65.8 65.0–66.5 --
   1–3 days per week 322 124.8 123.6–126.1 -- 65.8 65.0–66.7 --
   Less than 1 day per week 273 125.1 123.7–126.5 0.78 66.0 65.0–66.9 0.005
Consumption of sweets*        
   Once per day or more 536 123.3 122.3–124.2 -- 64.6 63.9–65.2 --
   Every week, but not every day 2595 125.3 124.8–125.7 -- 65.2 64.9–65.5 --
   Less than once per week 688 126.8 125.9–127.6 <0.001 65.5 65.0–66.1 0.03
Consumption of vegetables*        
   Once per day or more 1315 125.0 124.4–125.6 -- 65.1 64.6–65.5 --
   Every week, but not every day 1700 125.3 124.8–125.9 -- 65.2 64.8–65.6 --
   Less than once per week 788 125.6 124.8–126.4 0.25 65.4 64.9–66.0 0.29
Physical activity*        
   4 days or more per week 1275 124.6 124.0–125.3 -- 64.6 64.2–65.0 --
   2–3 days per week 1483 125.5 124.9–126.1 -- 65.3 64.9–65.7 --
   1 day or less per week 1129 125.3 124.6–126.0 0.14 65.6 65.2–66.1 <0.001
Smoking status*        
   Non smokers 3129 125.4 125.0–125.8 -- 65.3 65.0–65.6 --
   Smokers 702 123.9 123.1–124.8 0.003 64.6 64.0–65.2 0.04
  1. *Adjusted for age and height.