Study schedule of events and ILD outpatient clinic
| Type of visit | Screening | Baseline | Weekly | Monthly | Every 3 Months | ILD clinic visits as per standard clinical care | Annually as per standard clinical care |
| Visit number | 1 | 2 | |||||
| Week number | −2 | 0 | |||||
| Inclusion/exclusion criteria | ✓ | ||||||
| Informed consent | ✓ | ✓ | |||||
| Medical history | ✓ | ||||||
| Medications | ✓ | ✓ | |||||
| Acute exacerbations | ✓ | ✓ | |||||
| Spirometry | ✓ | ✓ | |||||
| DLCO | ✓ | ✓ | |||||
| 6-minute walk test | ✓ | ✓ | |||||
| Serology | ✓ | ✓ | ✓ | ||||
| HRCT | ✓ | ✓ | ✓ | ||||
| Dispensing of Apple Watch and iPhone | ✓ | ||||||
| Training on PROMS | ✓ | ||||||
| Breathlessness (PROMS mMRC)) | ✓ | ✓ | |||||
| Cough (PROMS VAS) | ✓ | ✓ | |||||
| Cough (PROMS LCQ) | ✓ | ✓ | |||||
| Fatigue (PROMS FAS) | ✓ | ||||||
| HRQoL (PROMS KBILD) | ✓ | ||||||
| Apple health export biometric and activity data | ✓ |
DLCO, Diffusion capacity of the lungs for carbon monoxide; FAS, Fatigue Assessment Scale; HRCT, high-resolution CT; KBILD, King’s Brief Interstitial Lung Disease; LCQ, Leicester Cough Questionnaire; mMRC, modified Medical Research Council dyspnoea scale; PROMS, patient-reported outcome measures; VAS, Visual Analogue Scale for cough severity.