Research Article

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 usersHigh users valueMean (SD)Mean (SD)Mean (SD)Mean (SD)Mean (SD)

Gender
 Males29 (48)19 (65)10 (35)0.143108.35 (27.60)80.45 (25.62)17.72 (2.38)114.81 (9.67)75.45 (8.37)
 Females32 (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 years31 (51)18 (58)13 (42)0.710105.80 (26.41)78.10 (26.77)17.89 (2.79)114.20 (8.45)75.95 (7.45)
 13-14 years30 (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.