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Table 4 Effects at 8 months mid-way assessment of the HEIA study, by gender and weight status

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

GIRLS Normal weight   Overweight/
obese
  BOYS Normal
weight
  Overweight/
Obese
 
  Mean CI Mean CI   Mean CI Mean CI
SSB, dl/d
- week
n = 545   n = 92   SSB, dl/d
- week
n = 550   n = 85  
Control 0.9 (0.8,1.0) 0.9 (0.6,1.3) Control 1.4 (1.3,1.6) 1.1 (0.8,1.5)
Intervention 0.8 (0.7,1.0) 0.5 (0.0,1.0) Intervention 1.3 (1.1,1.5) 1.2 (0.6,1.8)
- weekend n = 572   n = 98   - weekend n = 600   n = 90  
Control 2.1 (2.0,2.3) 2.0 (1.5,2.4) Control 2.6 (2.5,2.8) 2.5 (2.0,3.0)
Intervention 1.9# (1.7,2.1) 1.5 (0.9,2.2) Intervention 2.6 (2.4,2.9) 2.5 (1.6,3.4)
TV/DVD, hours/d
- week
n = 579   n = 100   TV/DVD, hours/d
- week
n = 630   n = 93  
Control 1.6 (1.5,1.6) 1.6 (1.4,1.8) Control 1.6 (1.5,1.7) 2.0 (1.7,2.2)
Intervention 1.3** (1.2,1.4) 1.6 (1.3,1.9) Intervention 1.5 (1.4,1.6) 2.4 (1.9,2.8)
- weekend n = 570   n = 99   - weekend n = 619   n = 93  
Control 2.2 (2.1,2.3) 2.3 (2.0,2.6) Control 2.4 (2.3,2.5) 2.6 (2.4,2.9)
Intervention 2.1* (1.9,2.2) 2.1 (1.7,2.5) Intervention 2.3 (2.2,2.4) 2.9 (2.4,3.4)
Computer/games, hours/d
- week
n = 578   n = 101   Computer/games, hours/d
- week
n = 628   n = 94  
Control 1.0 (1.0,1.1) 1.0 (0.8,1.2) Control 1.3 (1.2,1.4) 1.5 (1.2,1.7)
Intervention 0.8*** (0.7,0.9) 1.1 (0.8,1.3) Intervention 1.2 (1.1,1.3) 2.0# (1.5,2.4)
- weekend n = 570   n = 100   - weekend n = 624   n = 93  
Control 1.4 (1.3,1.5) 1.7 (1.4,1.9) Control 1.8 (1.7,1.9) 2.0 (1.8,2.3)
Intervention 1.1*** (1.0,1.2) 1.4 (1.1,1.8) Intervention 1.8 (1.6,1.9) 2.4 (1.9,2.9)
  1. SSB = Sugar-sweetened beverages, Overweight including obese
  2. One-way ANCOVA
  3. Adjusted for pre-test behaviours
  4. *** p = <.001, ** p = 0.001, *p = 0.04, # p = 0.06