From: Musculoskeletal symptoms among adult smartphone and tablet device users: a retrospective study
Method of operation of device | Smartphone user symptom prevalence (of n) | Tablet user symptom prevalence (of n) |
---|---|---|
Right thumb only | 58.3% (of 72) | 50% (of 2) |
Right hand only | 60.7% (of 28) | 38.5% (of 13) |
Right hand mainly | 56.8% (of 81) | 52.9% (of 34) |
Both hands equally | 46.2% (of 13) | 38.9% (of 18) |
Both thumbs equally | 53.8% (of 26) | 100% (of 5) |
Left hand mainly | 100% (of 2) | (0) |
Left thumb only | 100% (of 4) | (0) |