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Prevalence of caffeine and nicotine use in patients with RLS
| RLS | Frequency (n=126) | Percentage (%) | Nicotine use (%) | Caffeine use (%) |
|---|---|---|---|---|
| No | 103 | 81 | 87.5 | 84 |
| Mild | 11 | 9 | 3 | 6.7 |
| Moderate | 10 | 8 | 6.3 | 6.7 |
| Severe | 2 | 1 | 3.2 | 2.2 |
Abbreviation: RLS, restless leg syndrome.
