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Table 2 Relationship between TV watching and body composition variables a

From: Sizing the association between lifestyle behaviours and fatness in a large, heterogeneous sample of youth of multiple ethnicities from 4 countries

  

New Zealand

Fiji

Tonga

Australia

All

 

Hours per day

Pacific (N = 830)

Maori (N = 370)

Asian (N = 138)

European (N = 239)

All New Zealand (N = 1577)

Indigenous Fijian (N = 600)

Fijian Indian (N = 781)

All Fiji (N = 1381)

Tongan (N = 1019)

Australian (N = 1673)

All (N = 5650)d

Mean BMIb

<1

24.99 (0.17)

23.96 (0.50)

19.68 (0.43)

21.04 (0.39)

23.68 (0.24)

21.68 (0.23)

18.94 (0.20)

20.13 (0.16)

22.26 (0.15)

20.62 (0.07)

21.64 (0.08)

Increment in BMIc

1-2

0.06 (0.45)

0.23 (0.52)

1.21 (0.42)†

0.52 (0.13)‡

0.31 (0.26)

-0.13 (0.28)

-0.12 (0.18)

-0.13 (0.18)

0.23 (0.19)

0.21 (0.14)

0.16 (0.09)

>2

0.33 (0.29)

-0.00 (0.51)

0.69 (0.34)*

1.18 (0.29)‡

0.41 (0.26)

-0.00 (0.29)

-0.12 (0.21)

-0.08 (0.18)

0.43 (0.21)*

0.15 (0.10)

0.23 (0.09)*

Mean BMIzb

<1

1.35 (0.04)

1.09 (0.11)

-0.26 (0.15)

0.21 (0.10)

0.97 (0.06)

0.42 (0.07)

-0.63 (0.08)

-0.18 (0.05)

0.68 (0.04)

0.28 (0.03)

0.43 (0.02)

Increment in BMIzc

1-2

0.01 (0.01)

0.02 (0.10)

0.39 (0.12)†

0.16 (0.06)†

0.07 (0.06)

-0.04 (0.08)

-0.07 (0.07)

-0.06 (0.06)

0.06 (0.05)

0.04 (0.04)

0.03 (0.03)

>2

0.06 (0.06)

-0.03 (0.12)

0.27 (0.11)*

0.31 (0.08)‡

0.09 (0.06)

-0.02 (0.08)

-0.06 (0.08)

-0.04 (0.06)

0.09 (0.05)

0.02 (0.03)

0.05 (0.03)

Mean %BFb

<1

29.82 (0.52)

28.92 (1.44)

18.89 (1.35)

23.09 (1.15)

27.63 (0.52)

20.50 (0.62)

22.63 (0.60)

21.71 (0.43)

22.08 (0.60)

26.07 (0.36)

24.67 (0.23)

Increment in %BFc

1-2

0.88 (1.22)

1.55 (1.47)

3.85 (2.51)

1.48 (1.68)

1.46 (0.77)

-0.40 (0.70)

-0.45 (0.65)

-0.45 (0.54)

0.54 (0.64)

0.11 (0.44)

0.43 (0.33)

>2

0.80 (0.73)

0.37 (1.59)

3.20 (1.32)*

3.43 (0.88)‡

1.28 (0.46)*

0.19 (0.67)

-0.63 (0.56)

-0.30 (0.44)

1.61 (0.53)†

0.37 (0.38)

0.77 (0.24)†

Mean TFMb

<1

22.35 (0.67)

20.95 (1.61)

9.98 (0.97)

14.26 (1.03)

19.69 (0.60)

12.27 (0.47)

11.27 (0.45)

11.72 (0.33)

13.69 (0.46)

14.76 (0.22)

15.19 (0.20)

Increment in TFMc

1-2

0.64 (1.66)

1.33 (1.85)

3.33 (1.79)

1.25 (0.68)

1.21 (0.84)

-0.19 (0.58)

-0.20 (0.43)

-0.25 (0.43)

0.50 (0.48)

0.49 (0.36)

0.50 (0.28)

>2

0.98 (1.09)

0.36 (1.63)

2.28 (0.94)*

3.15 (0.83)‡

1.27 (0.54)

0.32 (0.61)

-0.31 (0.43)

-0.08 (0.34)

1.44 (0.55)*

0.47 (0.28)

0.75 (0.21)‡

  1. aAdjusted for age and sex. “New Zealand All”, “Fiji All” and “All countries” were further adjusted for ethnicity; bStandard error in parentheses; cCompared to “<1 hour per day” (reference category). Standard error in parentheses; dR2 for BMI, BMIz, %BF and TFM models = 0.315, 0.311, 0.243 and 0.227, respectively; BMI = Body mass index (kg/m2); BMIz = BMI z-score; %BF = Percent body fat (%); TFM = Total fat mass (kg); *P<0.05; †P < 0.01; ‡P < 0.001.
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International Journal of Behavioral Nutrition and Physical Activity

ISSN: 1479-5868

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