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Table 2 Descriptive characteristics of participants at time 1

From: Consumption patterns of sweet drinks in a population of Australian children and adolescents (2003–2008)

  Age at time 1  
BAEW IYM  
  All 4 to < 6 years 6 to <8 years 8 to < 10 years 10 to <12 years 12 to <14 years 14 to <16 years 16 to <18 years p‡
Distribution n (%) 1604 169 214 278 184 309 277 173  
  (100.0) (10.3) (14.0) (18.3) (12.1) (20.0) (17.9) (11.2)  
Gender (males) n (%) 766 87 97 144 87 152 132 67 0.16
  (47.8) (51.5) (45.3) (51.8) (47.3) (49.2) (47.7) (38.7)  
BMI 19.6 16.7 16.8 18.2 19.2 21.0 21.6 22.7 <0.00001
  (3.6) (1.8) (2.1) (2.8) (3.0) (3.8) (3.2) (3.3)  
BMI z-score mean (SD)* 0.6 0.9 0.6 0.9 0.7 0.6 0.4 0.4 <0.00001
  (1.0) (1.0) (1.0) (1.0) (1.0) (1.1) (0.9) (0.9)  
SES (below state wide median) n (%)§ 967 83 142 169 119 198 161 95 0.008
  (61.4) (49.4) (67.0) (61.2) (64.7) (65.6) (60.1) (57.6)  
Overweight/ obese n (%)* 529 67 69 115 70 102 62 44 <0.0001
  (33.3) (39.6) (32.4) (41.4) (38.0) (33.6) (22.8) (25.7)  
  1. ‡P-value for the difference between age groups.
  2. *Due to missing data on weight and/or height, n is different for following groups; total n = 1591, 6 to <8 years n = 213, 12 to <14 years n = 304, 14 to <16 years n = 272, 16 to < 18 years n = 171.
  3. § Due to missing data on SES, n is different for following groups; total n = 1575, 4 to <6 years n = 168, 6 to <8 years n = 212, 8 to <10 years n = 276 12 to <14 years n=302, 14 to < 16 years n = 268, 16 to <18 years n = 165.
  4. BAEW, Be Active Eat Well.
  5. IYM, It’s Your Move!
  6. BMI, body mass index.
  7. BMI z-score, body mass index z-scores.
  8. SES, socio-economic status.
  9. Overview of distribution of age groups and descriptive characteristics of participants at time 1.