Table 3.
Associations between BMI and obesity the time spent by the participants using the three electronic media devices.
| TV program viewing time (daily hours), mean (SD) | P | Computer usage time (daily hours), mean (SD) | P | Mobile phone usage time (daily hours), mean (SD) | P | Overall usage time of the three devices (daily hours), mean (SD) | P | |
|---|---|---|---|---|---|---|---|---|
| BMI (kg/m2) | 0.2 | <0.001 | <0.001 | <0.001 | ||||
| <18.5 | 0.97 (1.03) | 3.28 (3.10) | 3.30 (2.14) | 7.34 (4.10) | ||||
| 18.5–23 | 1.16 (1.23) | 2.43 (2.67) | 3.12 (2.54) | 6.37 (4.01) | ||||
| 23–25 | 1.20 (1.22) | 2.07 (2.45) | 2.64 (2.31) | 5.59 (5.60) | ||||
| ≥25 | 1.14 (1.15) | 2.07 (2.70) | 2.60 (2.21) | 5.40 (3.83) | ||||
| Obese | 0.72 | 0.03 | 0.002 | <0.001 | ||||
| Yes | 1.14 (1.15) | 2.07 (2.70) | 2.60 (2.21) | 5.40 (3.83) | ||||
| No | 1.16 (1.22) | 2.38 (2.66) | 3.00 (2.47) | 6.32 (3.96) |