Table 2.
Comparison of children’s HRQOL scores and behavioral problems by their status of excessive screen time and early screen exposure
| Scales | Excessive screen time | p value | Early screen exposure | p value | ||
|---|---|---|---|---|---|---|
| No | Yes | No | Yes | |||
| N = 3251 | N = 1734 | N = 4393 | N = 592 | |||
| HRQOL, mean (SD) | ||||||
| Emotional functioning | 92.2 (12.5) | 90.1 (14.1) | < 0.001 | 91.8 (12.9) | 88.8 (14.5) | < 0.001 |
| Social functioning | 77.6 (11.3) | 75.5 (12.1) | < 0.001 | 76.9 (11.6) | 76.3 (12.2) | 0.227 |
| School functioning | 71.4 (15.3) | 68.8 (14.8) | < 0.001 | 70.5 (15.1) | 70.6 (15.4) | 0.842 |
| Physical functioning | 83.4 (20.3) | 80.3 (20.3) | < 0.001 | 82.3 (20.5) | 82.7 (19.7) | 0.644 |
| Psychosocial health summary score | 80.4 (9.1) | 78.1 (9.6) | < 0.001 | 79.7 (9.3) | 78.6 (9.9) | 0.005 |
| Total scale score | 81.2 (9.5) | 78.7 (10.0) | < 0.001 | 80.4 (9.7) | 79.6 (10.4) | 0.078 |
| Behavioral problems, n (%) | ||||||
| Conduct problems | 296 (9.1%) | 255 (14.7%) | < 0.001 | 455 (10.4%) | 96 (16.2%) | < 0.001 |
| Learning problems | 513 (15.8%) | 431 (24.9%) | < 0.001 | 801 (18.2%) | 143 (24.2%) | 0.001 |
| Psychosomatic problems | 664 (20.4%) | 452 (26.1%) | < 0.001 | 946 (21.5%) | 170 (28.7%) | < 0.001 |
| Impulsive-hyperactive | 402 (12.4%) | 375 (21.6%) | < 0.001 | 659 (15.0%) | 118 (19.9%) | 0.002 |
| Anxiety | 391 (12.0%) | 273 (15.7%) | < 0.001 | 578 (13.2%) | 86 (14.5%) | 0.357 |
| Hyperactivity index | 316 (9.7%) | 283 (16.3%) | < 0.001 | 497 (11.3%) | 102 (17.2%) | < 0.001 |
SD Standard Deviation