Comparison between duration of digital device usage per day before and during COVID-19 lockdown (N=2476)
| Duration of digital device usage per day | Before COVID-19 | During COVID-19 |
| ≤2 hours | 201 (8.1%) | 67 (2.7%) |
| 3–4 hours | 596 (24.1%) | 271 (21.9%) |
| 5–6 hours | 648 (26.2%) | 502 (20.3%) |
| 7–8 hours | 492 (19.9%) | 1109 (44.8%) |
| 9–10 hours | 401 (16.2%) | 480 (19.4%) |
| 11–12 hours | 49 (1.9%) | 16 (0.7%) |
| >12 hours | 89 (3.6%) | 31 (1.3%) |
| Number of hours spent per day (mean±SD) | 6.13±2.8 | 10.53±2.99 |