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Table 1 Characteristics of children ages 5-16 years by C-reactive protein level in NHANES 1999-2002.

From: A cross-sectional study of food group intake and C-reactive protein among children

  C-reactive protein levels (mg/L)
  Low
(<1.0)
Average
(1.0-3.0)
High
(>3.0)
P value, two sided
  (n = 2939) (n = 718) (n = 453)  
  mean (SD)  
C-reactive protein levels (mg/L) 0.29 (0.23) 1.8 (0.59) 8.6 (8.4) -
Age (years) 11.4 (3.3) 11.6 (3.3) 11.6 (3.3) 0.084
Height (inches) 58.8 (7.6) 59.4 (7.3) 59.5 (7.2) 0.022
Height-for-age Z-Score 0.12 (1.1) 0.21 (1.1) 0.27 (1.0) 0.002
BMI (Kg/m2) 19.6 (4.1) 23.8 (5.9) 25.2 (7.7) <0.0001
BMI Z-score 0.29 (1.0) 1.2 (1.0) 1.3 (1.2) <0.0001
Waist circumference (cms) 68.8 (12.1) 79.4 (16.5) 83.3 (20.4) <0.0001
Sedentary behavior (hrs/day)* 2.9 (1.5) 2.9 (1.6) 3.0 (1.5) 0.728
Food groups (servings/day)     
   Dairy 2.0 (1.6) 1.8 (1.4) 1.9 (1.6) 0.012
   Grains 7.1 (3.8) 6.8 (3.6) 6.3 (3.5) <0.0001
   Fruit 1.5 (2.0) 1.3 (1.6) 1.4 (1.9) 0.384
   Vegetables 2.6 (2.4) 2.4 (2.1) 2.2 (2.2) 0.002
   Meat/Other Proteins 4.0 (3.2) 4.0 (3.2) 3.9 (3.1) 0.380
Energy intake (kcal) 2103.5 (14.7) 2011.9 (29.8) 1930.4 (37.5) <0.0001
Energy adjusted macronutrients     
   % calories from fat 32.8 (7.5) 32.7 (8.2) 32.2 (8.4) 0.213
   % calories from carbohydrates 54.7 (9.3) 54.6 (10.0) 54.8 (11.0) 0.917
   % calories from protein 13.7 (3.9) 13.8 (4.1) 14.1 (4.4) 0.064
   fiber intake/1000 kcal of energy 6.4 (2.9) 6.3 (2.8) 6.2 (3.1) 0.163
  No. (row percent)  
Gender     
   Girls 1435 (69.9) 373 (18.2) 245 (11.9) 0.057
   Boys 1504 (73.1) 345 (16.8) 208 (10.1)  
Race/Ethnicity     <0.0001
   Non-Hispanic Whites 885 (78.7) 144 (12.8) 96 (8.5)  
   Non-Hispanic Blacks 922 (72.0) 227 (17.7) 131 (10.2)  
   Hispanic 1132 (66.4) 347 (20.4) 226 (13.3)  
Socioeconomic Status     0.006
   Low 997 (69.1) 259 (17.9) 188 (13.0)  
   High 1942 (72.8) 459 (17.2) 265 (9.9)  
  1. Abbreviations: BMI, body mass index; NHANES, National Health and Nutrition Examination Survey; SD, standard deviation; kcal, kilocalories of energy
  2. * The number of usual hours spent watching television, playing video games or using a computer