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Table 5 Joint association of physical activity and 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

Joint association of PA-ST in adjusted modelb

Low PA-Low ST

Reference

Reference

Reference

Reference

Reference

Reference

Low PA-High ST

−1.1 (−2.2, 0.1)

−0.72 (− 1.9, 0.4)

− 0.79 (− 1.9, 0.31)

−1.8 (−3.0,-0.7)+

− 1.8 (− 3.4,-0.21) a

− 1.3 (− 2.4,-0.21) a

High PA-Low ST

1.9 (1.0, 2.7) a

1.1 (0.3, 2.0)a

1.1 (0.3, 1.9)a

2.9 (2.0,3.8) a

3.5 (2.3,4.7) a

2.2 (1.3,3.1) a

High PA- High ST

0.7 (− 0.2, 1.7) a

0.0 (− 0.9,0.9)

0.84 (− 0.01, 1.7)

3.1 (2.1,4.1) a

2.8 (1.5,4.1) a

1.3 (0.4,2.3) a

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