From: Musculoskeletal symptoms among adult smartphone and tablet device users: a retrospective study
| Adopted posture | Smartphone user symptom prevalence (of n) | Tablet user symptom prevalence (of n) |
|---|---|---|
| Sitting | 55.8% (of 165) | 50.8% (of 61) |
| Standing | 49.5% (of 109) | 36.4% (of 11) |
| Lying on back | 55.8% (of 95) | 47.4% (of 19) |
| Lying on side | 55.3% (of 85) | 47.4% (of 19) |
| Lying on front | 50% (of 14) | 50% (of 38) |
| Varying positions | 52.5% (of 99) | 50% (of 12) |