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Table 2 Pre-test characteristics (behaviours) for the control and the intervention group in the HEIA study

From: Changes in adolescents' intake of sugar-sweetened beverages and sedentary behaviour: Results at 8 month mid-way assessment of the HEIA study - a comprehensive, multi-component school-based randomized trial

  Pre-test  
  Control Intervention  
  n = 881 n = 490  
  Mean SD Mean SD p
SSB, dl/d
- week
1.2 (1.7) 1.1 (1.6) 0.28
- weekend 2.3 (2.0) 2.3 (2.0) 0.76
TV/DVD, hours/d
- week
1.5 (1.0) 1.5 (1.1) 0.65
- weekend 2.1 (1.2) 2.2 (1.3) 0.13
Computer/games, hours/d
- week
1.1 (0.9) 1.1 (0.9) 0.16
- weekend 1.5 (1.1) 1.5 (1.1) 0.69
  1. SSB = Sugar-sweetened beverages
  2. p = T-test
  3. n vary slightly