Table 4 Time Spent in reading a paper book versus a digital device and eyestrain
From: Visual implications of digital device usage in school children: a cross-sectional study
Time Spent (Hours) | Eyestrain | Total | ||
|---|---|---|---|---|
Yes | No | |||
< 2 | Books | 46 (23.2%) | 152 (76.8%) | 198 (100.0%) |
Digital Devices | 40 (17.9%) | 184 (82.1%) | 224 (100.0%) | |
2–4 | Books | 42 (15.4%) | 231 (84.6%) | 273 (100.0%) |
Digital Devices | 45 (17.9%) | 206 (82.1%) | 251 (100.0%) | |
4–6 | Books | 8 (10.7%) | 67 (89.3%) | 75 (100.0%) |
Digital Devices | 14 (17.1%) | 68 (82.9%) | 82 (100.0%) | |
> 6 | Books | 7 (23.3%) | 23 (76.7%) | 30 (100.0%) |
Digital Devices | 4 (21.1%) | 15 (78.9%) | 19 (100.0%) | |
Total | 103 (17.9%) | 473 (82.1%) | 576 (100.0%) | |