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Table 2 Cross-sectional association of bedroom media with objectively measured sedentary time and self-reported screen-time

From: Bedroom media, sedentary time and screen-time in children: a longitudinal analysis

 

T0(n = 1512)

T1y(n = 715)

T4y(n = 319)

 

β (95% CI)

P

β (95% CI)

P

β (95% CI)

P

Accelerometer sedentary time*

         

Television in bedroom

−1.17

(−1.88, −0.46)

<0.01

−1.68

(−2.67, −0.70)

<0.01

0.21

(−1.23, 1.65)

0.77

Computer in bedroom

−0.49

(−1.25, 0.27)

0.21

0.29

(−0.91, 1.49)

0.64

1.25

(−0.32, 2.82)

0.12

Combined bedroom media

−0.76

(−1.26, −0.27)

<0.01

−0.79

(−1.51, −0.07)

0.03

0.51

(−0.40, 1.42)

0.27

 

T 0 (n = 1745)

 

T 4y (n = 373)

 

β (95% CI)

P

  

β (95% CI)

P

Self-reported screen-time †

         

Television in bedroom

0.06

(−0.07, 0.19)

0.35

   

0.22

(−0.02, 0.46)

0.07

Computer in bedroom

0.15

(0.02, 0.29)

0.02

   

0.35

(0.10, 0.60)

<0.01

Combined bedroom media

0.09

(0.01, 0.18)

0.03

   

0.20

(0.05, 0.34)

<0.01

  1. Models adjusted for clustering in schools, sex, age, body mass index, socio-economic status and urban/rural location.
  2. *Outcome variable: Weekly proportion of wear time spent sedentary; Beta coefficient (95% CI)*100.
  3. †Outcome variable: Weekly hours of self-reported screen-time (Box-Cox transformed); Beta coefficient (95% CI).