Outcome measures and time points
| Measure | T0 baseline | T1 1 month | T2 3 months | T3 6 months |
|---|---|---|---|---|
| Background information | X | |||
| Measures taken as part of usual care | ||||
| Performance Status Scale (PSS) | X | X | X | X |
| Maximal incisor opening (mouth opening) | X | X | X | X |
| Functional Intraoral Glasgow Scale | X | X | X | X |
| 100 mL Water swallow test | X | X | X | X |
| Additional measures for trial | ||||
| MD Anderson Dysphagia Inventory | X | X | X | X |
| General Self-Efficacy Scale | X | X | ||
| Self-reported adherence question | X | X | X | |
| HRQOL—FACT–HN | X | X | X | X |
| Modified Barium Swallow Impairment Score and Penetration/Aspiration score | X | |||
| Acceptability to participation/randomisation questionnaire | X | |||
HRQOL—FACT–HN, Health Related Quality of Life- Functional Assessment of Cancer Treatment- Head & Neck subscale.