From: Musculoskeletal symptoms among adult smartphone and tablet device users: a retrospective study
| Holding device | Smartphone user symptom prevalence (of n) | Tablet user symptom prevalence (of n) |
|---|---|---|
| Right hand only | 61.4% (of 44) | 50% (of 4) |
| Right hand mainly | 56.8% (of 81) | 60% (of 5) |
| Both hands equally | 57.9% (of 38) | 52.9% (of 34) |
| Left hand mainly | 48.1% (of 27) | 50% (of 10) |
| Left hand only | 83.3% (of 6) | 100% (of 3) |
| Don’t hold it – use a cradle, stand or other | 44.4% (of 9) | 43.3% (of 30) |