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Table 1 The consumption of tap and bottled water (ml/d) by children in the NDNS sample (n = 845) by age group, gender, and socio-demographic group. The data are means and standard deviations (Std)

From: Water and beverage consumption patterns among 4 to 13-year-old children in the United Kingdom

  Water (Tap + Bottled) Tap water Bottled water
N Mean Std1 Mean Std1 Mean Std1
All 845 257.6 275.7 215.9 259.8 41.7 116.2
Age (years)
 4–8 436 241.0 245.4 212.4 228.0 28.6 94.9
 9–13 409 273.7 304.0 219.3 290.1 54.4 134.0
   0.1061 0.7018 0.0041
Gender
 Boys 430 233.7 247.6 192.8 229.5 40.9 118.0
 Girls 415 282.7 300.3 240.1 286.0 42.5 114.4
   0.0284 0.0275 0.8543
Quartiles of IUC2
 Q1 (poorer) 148 177.1 193 145.8 175.9 31.3 97.0
 Q2 186 260.7 282.6 208.7 249.9 52.0 135.6
 Q3 215 272.6 256.4 240.0 251.5 32.6 96.6
 Q4 (richer) 197 318.9 331.8 266.5 319.4 52.4 125.6
   <0.0001 a <0.0001 a 0.2319
Season
 Winter 230 241.8 224.8 208.8 212.7 33.0 92.6
 Spring 233 286.7 308.2 234.0 280.0 52.8 138.8
 Summer 207 242.0 238.2 194.7 225.1 47.3 119.1
 Fall 175 254.3 326.3 223.9 319.5 30.4 105.9
   0.3518 0.4019 0.119
BMI
Under/normal 607 261.0 282.4 221.2 268.9 39.8 112.3
Overweight/obese 204 251.8 250.9 208.6 236.1 43.2 116.5
   0.6973 0.5803 0.7080
Ethnic group
 White 723 247.1 270.4 205.0 254.7 42.1 118.1
 Non white 122 310.7 299.7 271.1 281.6 39.6 104.5
   0.0276 0.0123 0.8156
Region
 England: North 201 234.4 233.5 178.2 208.4 56.2 137.4
 England: Central/Midlands 142 207.3 240.1 184.4 229.0 22.9 88.8
 England: South (incl. London) 355 303.6 317.4 264.2 305.0 39.4 112.0
 Scotland,Wales, Northern Ireland 147 210.9 232.2 165.8 206.9 45.1 115.9
   0.0016 bc 0.0003 bd 0.0872
  1. aSignificant two by two differences: Q3 vs Q1; Q4 vs Q1
  2. bSignificant two by two differences: England South vs Scotland, Wales, Northern Ireland
  3. cSignificant two by two differences: England Central vs England South
  4. dSignificant two by two differences: England North vs England South
  5. 1Std: Standard Deviation
  6. 2IUC: Income per Consumption Unit
  7. Comparisons between two means were either significant (bold) or not