Association between Information and Communication Technology Usage and the Quality of Sleep among School-Aged Children during a School Week
Table 1
Characteristics of study participants.
Variables
(%)
ICT use, (%)
SDNN (ms)
rMSSD (ms)
BMI (kg/m2)
MSBP (mm/hg)
MDBP(mm/hg)
Low users
High users
value
Mean (SD)
Mean (SD)
Mean (SD)
Mean (SD)
Mean (SD)
Gender
Males
29 (48)
19 (65)
10 (35)
0.143
108.35 (27.60)
80.45 (25.62)
17.72 (2.38)
114.81 (9.67)
75.45 (8.37)
Females
32 (52)
15 (47)
17 (53)
105.35 (28.10)
72.58 (27.14)
19.91 (3.25)
114.58 (7.87)
72.95 (6.31)
Age
10-11 years
31 (51)
18 (58)
13 (42)
0.710
105.80 (26.41)
78.10 (26.77)
17.89 (2.79)
114.20 (8.45)
75.95 (7.45)
13-14 years
30 (49)
16 (53)
14 (47)
107.77 (29.40)
74.28 (26.57)
19.94 (3.03)
115.21 (9.04)
72.16 (6.90)
ICT: information and technology use; : significant level; SDNN: Standard deviation of NN interval; rMSSD: root mean square of successive difference; BMI: body mass index; MSDP: mean systolic blood pressure; MDBP: mean diastolic blood pressure.