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Table 4 Comparison of percent body fat and lifestyle behaviours between those with and without a bedroom TV among American boys and girls

From: Mediating role of television time, diet patterns, physical activity and sleep duration in the association between television in the bedroom and adiposity in 10 year-old children

 

Boys

Girls

 

TV in the bedroom

No TV in the bedroom

p-valuea

TV in the bedroom

No TV in the bedroom

p-valuea

(n = 210)

(n = 64)

 

(n = 268)

(n = 92)

Percent body fat (mean, SD)

21.4 (8.8)

18.9 (6.2)

0.01

25.1 (8.0)

24.1 (7.6)

0.30

TV viewing time [hours/day category; median (IQR)] b

3.9 (3.0)

3.0 (1.7)

<0.0001

4.0 (2.9)

2.9 (1.5)

<0.0001

≤2 h of screen time/day (n, %)

21 (10.0)

10 (15.6)

0.26

48 (17.9)

28 (30.4)

0.01

>2 h of screen time/day (n, %)

189 (90.0)

54 (84.4)

220 (82.1)

64 (69.6)

Healthy diet score (mean, SD)

−0.01 (1.72)

−0.18 (1.44)

0.48

−0.25 (2.3)

0.30 (2.4)

0.06

Unhealthy diet score (mean, SD)

0.14 (1.50)

−0.67 (1.91)

0.003

0.15 (1.5)

−0.37 (1.3)

0.05

Minutes of MVPA per day (mean, SD)

58.3 (20.9)

57.8 (17.4)

0.88

42.8 (15.5)

47.3 (15.6)

0.02

Sleep duration (min/night; mean, SD)

530.5 (52.3)

525.2 (41.3)

0.52

535.6 (59.9)

537.6 (53.1)

0.79

  1. aStudent’s t-test for continuous data; Chi-square or Fisher’s exact test for categorical responses
  2. bTV viewing time categories: 1 = 0 h, 2 = <1 h, 3 = 1 h, 4 = 2 h, 5 = 3 h, 6 = 4 h, and 7 = 5 or more hours of TV per day
  3. MVPA, moderate-to-vigorous physical activity; TV, television; SD, standard deviation; IQR, inter-quartile range
  4. N = 634