Table 2 Mean (SD) characteristics by screen time behavior typology membership

 Screen-based devices in the home (n)

4.60 (1.10)

4.43 (1.11)^a

4.82 (1.10)^a

4.54 (1.04)

0.003

 Working TVs in house (n)

2.44 (2.46)

2.46 (3.64)

2.38 (1.26)

2.49 (1.15)

0.93

 E-games consoles house (n)

1.50 (2.99)

1.39 (4.37)

1.58 (1.56)

1.55 (1.61)

0.80

 Screen-based devices in child’s bedroom (n)

1.58 (1.41)

1.23 (1.36)^a

1.97 (1.42)^ab

1.55 (1.34)^b

< 0.001

 Working TVs in child’s bedroom (n)

0.46 (2.88)

0.60 (4.62)

0.38 (0.54)

0.35 (0.48)

0.72

 E-games consoles in child’s bedroom (n)

0.45 (3.86)

0.62 (6.19)

0.36 (0.63)

0.62 (0.57)

0.77

 Rules for TV use

4.36 (3.95)

5.25 (3.65)^ab

3.66 (4.20)^a

3.99 (3.80)^b

< 0.001

 Rules for electronics use

5.09 (5.37)

6.44 (5.04)^b

3.61 (5.34)^ab

5.15 (5.39)^a

< 0.001

 Emotional support for screen time behaviors

5.64 (6.36)

5.12 (5.75)

6.19 (7.30)

5.68 (5.77)

0.32

 Use of screen behaviors to keep child occupied

−2.36 (2.10)

−2.73 (2.11)^ab

−2.17 (2.08)^a

− 2.07 (2.04)^b

0.004

 Parent discouragement of screen time behaviors

9.89 (7.21)

10.08 (7.66)

9.67 (7.06)

9.90 (6.71)

0.87

 Child’s homework requires a tablet/laptop

1.69 (1.04)

1.51 (1.03)^a

2.02 (0.99)^ab

1.50 (0.99)^b

< 0.001

 Parental physical activity (days/week meet recs)

2.77 (2.10)

3.00 (2.11)^a

2.77 (2.17)

2.39 (1.94)^a

0.032

 Screen time behaviors co-participation: Siblings

2.82 (2.58)

2.67 (2.49)

2.78 (2.51)

3.13 (2.79)

0.25

 Screen time behaviors co-participation: Parent/ guardian

2.35 (2.30)

2.28 (2.27)

2.28 (2.31)

2.56 (2.35)

0.48

 Screen time behaviors co-participation: Peers

1.24 (1.74)

0.97 (1.52)^a

1.54 (2.02)^a

1.25 (1.54)

0.004

 Parent concerns about screen time behaviors

1.40 (1.64)

1.43 (1.76)

1.27 (1.61)

1.56 (1.50)

0.27

 Child’s sleep (minutes/night)

548.85 (70.73)

564.62 (70.15)^b

528.64 (69.92)^ab

553.59 (66.08)^a

< 0.001

 Child’s physical activity (days/week meet recs)

3.45 (2.15)

3.73 (2.09)^a

3.21 (2.20)^a

3.38 (2.11)

0.045

 Child’s preference for screen time behaviours

−0.00 (1.25)

−0.38 (1.18)^ab

0.28 (1.26)^a

0.17 (1.21)^b

< 0.001

 Child’s addiction to electronic media (parental perceived)

2.92 (1.28)

2.56 (1.24)^ab

3.24 (1.28)^a

3.04 (1.21)^b

< 0.001