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SNIFS trial advice strategies
| Advice strategy | Definition |
| Nasal saline irrigation | Participants given verbal instructions and a link to a demonstration video on YouTube. Participants provided with a neti pot and asked to irrigate their nose daily for 6 months. |
| Steam inhalation | Participants were asked to inhale steam for 5 min each day. |
| Usual care | Use of medications or referral was at discretion of patient’s physician. |
