Skip to main content

Table 3 Association of screen time with quality of life in children and adolescents

From: Association of screen time and physical activity with health-related quality of life in Iranian children and adolescents

Variable

Psychosocial QoL

School QoL

Social QoL

Physical QoL

Emotional QoL

Total QoL

Watching TV(hour)

 Unadjusted model

−0.22 (− 0.38,-0.05) a

− 0.26 (− 0.42,-0.97) a

− 0.17 (− 0.33,-0.01) a

−0.22 (− 0.38,-0.05) a

−0.38 (− 0.6,-0.16) a

−0.18 (− 0.34,-0.3) a

 Adjusted modelb

− 0.19 (− 0.37,-0.02) a

−0.21 (− 0.38,-0.03) a

−0.21 (− 0.38,-0.04) a

−0.25 (− 0.42,-0.08) a

−0.33 (− 0.56,-0.1) a

−0.18 (− 0.34,-0.01) a

Watching TV (high vs low)

 Unadjusted model

0.14 (−0.39,0.68)

0.11 (−0.44,0.67)

− 0.22 (− 0.75,0.31)

0.31 (− 0.23,0.86)

0.037 (− 0.71,0.79)

0.29 (− 0.22,0.81)

 Adjusted model b

0.024 (− 0.54,0.59)

0.05 (− 0.5,0.61)

−0.3 (− 0.86,0.25)

0.17 (− 0.4,0.76)

−0.15 (− 0.93,0.62)

0.17 (− 0.38,0.72)

Computer time (hour)

 Unadjusted model

−0.86 (− 1.18,-0.53) a

− 1.18 (− 1.51,-0.86) a

−0.01 (− 0.22,0,19)

0.23 (− 0.08,0.46)

−0.22 (− 0.53,0.08)

−0.68 (− 1.0,-0.36) a

 Adjusted model b

− 0.67 (− 0.99,-0.35) a

−0.85 (− 1.16,-0.53) a

−0.09 (− 0.31,0.138)

0.14 (− 0.09,0.38)

−0.09 (− 0.4,0.23)

−0.55 (− 0.87,-0.23) a

Computer time (high vs low)

 

 Unadjusted model

−2.39(− 3.3,-1.47) a

− 3.22 (− 4.13,-2.31) a

− 0.19 (− 0.94,0.54)

0.36 (− 0.39,1.1)

− 0.95 (− 1.89,-0.01) a

−1.9 (− 2.82,-0.99) a

 Adjusted model b

− 1.81 (−2.72,-0.91) a

− 2.24 (− 3.1,-1.35) a

− 0.38 (− 1.13,0.36)

0.03 (− 0.73,0.81)

−0.59 (− 1.59,0.4)

− 1.5 (− 2.4,-0.63) a

ST duration (hour)

 Unadjusted model

− 0.64 (− 0.88,-0.4)

−0.77 (− 1.02,-0.53)

−0.16 (− 0.38,0.059)

−0.15 (− 0.37,0.06)

−0.5 (− 0.81,-0.19)

−0.55 (− 0.78,-0.32)

 Adjusted model b

− 0.55 (− 0.79,-0.3)

−0.6 (− 0.83,-0.36)

−0.23 (− 0.47,0.008)

−0.21 (− 0.44,0.007)

−0.44 (− 0.75,-0.12)

−0.49 (− 0.72,-0.25)

ST duration (high vs low)

 

 Unadjusted model

−1.23 (− 1.79,-0.68) a

− 1.3 (− 1.87,-0.73) a

−0.27 (− 0.78,0.24)

−0.13 (− 0.66,0.4)

−0.95 (− 1.66,-0.24) a

−1.0 (− 1.5,-0.5) a

 Adjusted model b

− 1.15 (− 1.7,-0.59) a

−1.07 (− 1.63,-0.52) a

−0.42 (− 0.95,0.1)

−0.35 (− 0.91,0.19)

−0.96 (− 1.68,-0.23) a

−1 (− 1.5,-0.48) a

  1. ST screen time, PC personal computer, TV television, QoL quality of life
  2. Data are presented as β coefficient (95% CI)
  3. aStatistically significant
  4. bAdjusted for age, sex, living area, body mass index, socioeconomic status and physical activity