Table 3 Association of all electronic devices and social network programs with sleep-related problems

Model 1

852.2

1088.0

Cellphone use (time)

1.09 (1.02, 1.18)

0.001

1.12 (1.06, 1.19)

< 0.001

Model 2

485.2

746.8

Cellphone use (time)

1.15 (1.04, 1.28)

0.007

1.07 (1.00, 1.14)

0.03

Age (years)

0.91(0.84, 0.99)

0.04

1.01 (0.97, 1.05)

0.55

Organized sports participation (Ref. No)

Yes

1.13 (0.88, 1.46)

0.30

1.09 (0.93, 1.29)

0.25

SDQ (Ref. Normal)

Borderline

1.69 (1.26, 2.26)

< 0.001

1.35 (1.17, 1.55)

< 0.001

Anormal

1.57 (1.21, 2.04)

< 0.001

1.35 (1.16, 1.56)

< 0.001

Diet (Ref. Optimal MD)

Nonoptimal MD

1.12 (0.87, 1.45)

0.34

1.24 (1.06, 1.46)

0.007

Model 3

1093.5

1093.5

Computer use (time)

1.06 (1.00, 1.13)

0.03

1.03 (0.98, 1.08)

0.20

Model 4

496.0

747.4

Computer use (time)

1.01 (0.92, 1.10)

0.78

1.03 (0.98, 1.09)

0.17

Age (years)

0.93 (0.85, 1.01)

0.10

1.02 (0.97, 1.06)

0.33

Sports participation (Ref. No)

Yes

1.16 (0.90, 1.48)

0.24

1.11 (0.94, 1.31)

0.20

SDQ (Ref. Normal)

Borderline

1.83 (1.37, 2.45

< 0.001

1.38 (1.20, 1.59)

< 0.001

Abnormal

1.59 (1.21, 2.10)

< 0.001

1.37 (1.19, 1.59)

< 0.001

Diet (Ref. Optimal MD)

Nonoptimal MD

1.18 (0.91, 1.53)

0.19

1.27 (1.08, 1.49)

0.003

Model 5

851.7

1091.1

Videogames use (time)

1.08 (1.02, 1.15)

0.005

1.07 (1.03, 1.12)

< 0.001

Model 6

487.5

747.7

Videogames use (time)

1.07 (0.99, 1.16)

0.08

1.02 (0.96, 1.08)

0.43

Age (years)

0.93 (0.86, 1.01)

0.11

1.02 (0.98, 1.06)

0.29

Organized sports participation (Ref. No)

Yes

1.15 (0.90, 1.48)

0.25

1.10 (0.93, 1.30)

0.23

SDQ (Ref. Normal)

Borderline

1.82 (1.38, 2.41)

< 0.001

1.37 (1.18, 1.58)

< 0.001

Abnormal

1.67 (1.26, 2.22)

< 0.001

1.38 (1.19, 1.59)

< 0.001

Diet (Ref. Optimal MD)

Nonoptimal MD

1.16 (0.91, 1.49)

0.22

1.27 (1.08, 1.49)

0.003

Model 7

519.1

740.3

WhatsApp use (time)

1.12 (0.76, 1.76)

0.56

1.31 (1.16, 1.48)

0.001

Model 8

480.2

728.5

WhatsApp use (time)

1.12 (0.74, 1.69)

0.56

1.20 (1.02, 1.42)

0.02

Age (years)

0.92 (0.85, 1.01)

0.10

1.01 (0.97, 1.05)

0.54

Organized sports participation (Ref. No)

Yes

1.13 (0.88, 1.35)

0.33

1.12 (0.94, 1.33)

0.18

SDQ (Ref. Normal)

Borderline

1.80 (1.33, 2.45)

< 0.001

1.34 (1.16, 1.54)

< 0.001

Abnormal

1.65 (1.12, 2.17)

< 0.001

1.41 (1.22, 1.16)

< 0.001

Diet (Ref. Optimal MD)

Nonoptimal MD

1.20 (0.93, 1.54)

0.14

1.26 (1.07, 1.48)

0.005