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Table 6 Nutritional status, time spent in sedentary activities and arterial hypertension in the two birth cohorts.

From: Prevalence of non-communicable diseases in Brazilian children: follow-up at school age of two Brazilian birth cohorts of the 1990's

Variables   Ribeirão Preto   São Luís P value
  n % weighted* n % weighted*  
Nutritional status according to Cole et al.      < 0.001
   Underweight 32 3.6 39 5.8  
   Normal 542 68.6 595 88.8  
   Overweight 139 18.2 25 3.6  
   Obesity 75 9.5 13 1.8  
   Unknown 2 - 1 -  
Nutritional status according to Must et al.      < 0.001
   Underweight 98 11.2 112 16.1  
   Normal 492 63.4 522 78.5  
   Overweight 104 13.5 24 3.5  
   Obesity 94 11.9 14 1.9  
   Unknown 2 - 1 -  
Time spent in sedentary activities (hours per day) **      < 0.001
   0 13 2.0 6 1.0  
   1 to 4 249 39.2 173 27.3  
   > 4 to 8 371 57.0 399 60.1  
   > 8 15 1.9 73 11.6  
   Missing 142 - 22 -  
Systolic blood pressure ***      < 0.001
   Normal 687 90.7 647 97.5  
   High 69 9.3 18 2.5  
   Missing 34 - 8   
Diastolic blood pressure ***      0.673
   Normal 742 95.9 630 95.4  
   High 29 4.1 30 4.6  
   Missing 19 - 13   
   Arterial hypertension ****      < 0.001
   No 665 89.0 626 95.4  
   Yes 79 10.9 31 4.6  
   Missing 46 - 16 -  
  1. Ribeirão Preto, 2004/05 and São Luís, 2005/06.
  2. * Percentages may not add to 100% because of rounding. Missing values were excluded from percentages and P-value calculations.
  3. ** Daily time spent watching TV, playing videogames or on the computer
  4. *** ≥P95 for age, sex and height
  5. **** Systolic and/or diastolic blood pressure ≥P95 for age, sex and height