Table 3 Association between life style factors and systolic (SBP) and diastolic (DBP) blood pressure (mm Hg) in girls.
| Â | Â | SBP, mm Hg | DBP, mm Hg | ||||
|---|---|---|---|---|---|---|---|
Variables | N | Mean | (95% CI) | P-trend | Mean | (95% CI) | P-trend |
Regularity of breakfast* | Â | Â | Â | Â | Â | Â | Â |
   Every day | 2539 | 119.7 | 119.3–120.1 | -- | 63.6 | 63.3–63.8 | -- |
   4–6 days per week | 543 | 119.1 | 118.2–119.9 | -- | 63.6 | 63.0–64.3 | -- |
   1–3 days per week | 454 | 119.6 | 118.6–120.5 | -- | 63.8 | 63.1–64.5 | -- |
   Less than 1 day per week | 403 | 119.8 | 118.8–120.8 | 0.95 | 64.1 | 63.4–64.8 | 0.18 |
Consumption of sweets* | Â | Â | Â | Â | Â | Â | Â |
   Once per day or more | 371 | 117.8 | 116.7–118.8 | -- | 63.2 | 62.5–64.0 | -- |
   Every week, but not every day | 2797 | 119.7 | 119.3–120.0 | -- | 63.6 | 63.3–63.8 | -- |
   Less than once per week | 746 | 120.3 | 119.6–121.1 | <0.001 | 64.2 | 63.6–64.7 | 0.02 |
Consumption of vegetables* | Â | Â | Â | Â | Â | Â | Â |
   Once per day or more | 1531 | 119.4 | 118.9–120.0 | -- | 63.5 | 63.1–63.9 | -- |
   Every week, but not every day | 1825 | 119.7 | 119.2–120.2 | -- | 63.5 | 63.2–63.9 | -- |
   Less than once per week | 561 | 119.9 | 119.1–120.8 | 0.32 | 64.5 | 63.9–65.1 | 0.03 |
Physical activity* | Â | Â | Â | Â | Â | Â | Â |
   4 days or more per week | 889 | 119.5 | 118.8–120.1 | -- | 62.8 | 62.3–63.3 | -- |
   2–3 days per week | 1710 | 119.5 | 119.0–120.0 | -- | 63.5 | 63.2–63.9 | -- |
   1 day or less per week | 1359 | 119.7 | 119.2–120.3 | 0.51 | 64.3 | 63.9–64.7 | <0.001 |
Smoking status* | Â | Â | Â | Â | Â | Â | Â |
   Non smokers | 3052 | 119.8 | 119.4–120.2 | -- | 63.7 | 63.5–64.0 | -- |
   Smokers | 884 | 118.8 | 118.1–119.5 | 0.01 | 63.3 | 62.8–63.8 | 0.16 |