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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