Table 2 Distribution of device usage - daily frequencies and average session durations for smartphones and tablet devices
From: Musculoskeletal symptoms among adult smartphone and tablet device users: a retrospective study
Frequency category for device use | Daily frequency of device use (times per day) | Smartphone users (n) | Tablet users (n) | Session duration category | Typical duration per usage session (minutes) | Smartphone users (n) | Tablet users (n) |
|---|---|---|---|---|---|---|---|
0 | None reported | 0 | 42 | 0 | None reported | 0 | 67 |
1 | 0–5 | 14 | 146 | 1 | 0–5 | 63 | 76 |
2 | 6–10 | 29 | 15 | 2 | 6–10 | 67 | 10 |
3 | 11–20 | 50 | 3 | 3 | 11–20 | 45 | 27 |
4 | 21–50 | 55 | 0 | 4 | 21–50 | 9 | 19 |
5 | 51–100 | 21 | 0 | 5 | 51–100 | 9 | 5 |
6 | Too many to count | 38 | 1 | 6 | More than 2 h | 14 | 3 |
Total | 207 | 207 | Total | 207 | 207 |