Table 3.
Daily hours spent on screen-based media by symptom status.
| Daily hours of screen based activity | ||||||
|---|---|---|---|---|---|---|
| Computer use | Computer games | Television viewing | ||||
| Physical symptom status | M | 95% CI | M | 95% CI | M | 95% CI |
| Boys | ||||||
| Backache | ||||||
| Less than weekly | 1.60 | (1.56 to 1.63) | 1.99 | (1.95 to 2.03) | 2.41 | (2.38 to 2.44) |
| Weekly | 2.13 | (2.05 to 2.21) | 2.40 | (2.31 to 2.49) | 2.72 | (2.65 to 2.79) |
| Headache | ||||||
| Less than weekly | 1.61 | (1.57 to 1.65) | 1.99 | (1.95 to 2.04) | 2.42 | (2.39 to 2.46) |
| Weekly | 1.95 | (1.88 to 2.02) | 2.29 | (2.21 to 2.36) | 2.60 | (2.54 to 2.66) |
| Girls | ||||||
| Backache | ||||||
| Less than weekly | 1.54 | (1.50 to 1.57) | 0.66 | (0.63 to 0.68) | 2.22 | (2.19 to 2.25) |
| Weekly | 2.03 | (1.96 to 2.09) | 0.73 | (0.69 to 0.78) | 2.52 | (2.46 to 2.58) |
| Headache | ||||||
| Less than weekly | 1.48 | (1.44 to 1.52) | 0.66 | (0.63 to 0.68) | 2.21 | (2.17 to 2.24) |
| Weekly | 1.94 | (1.89 to 1.99) | 0.70 | (0.66 to 0.74) | 2.42 | (2.38 to 2.47) |
M-Mean; CI-confidence interval