Table 5. Outcomes: missingness among participants, Waves 1-5.
| Wave 1 | Wave 2 | Wave 3 | Wave 4 | Wave 5 | |
|---|---|---|---|---|---|
| Participants | 8,174 | 7,282 | 6,619 | 5,942 | 5,213 |
| Risk factors | |||||
| BMI | 28% | 6% | 8% | 10% | 12% |
| Stop smoking | <0.5% | 2% | 3% | 4% | 4% |
| Chronic health conditions | |||||
| Diabetes | <0.5% | 2% | 4% | 4% | 5% |
| Cancer | <0.5% | 2% | 3% | 4% | 4% |
| Lung disease | <0.5% | 2% | 3% | 4% | 4% |
| Hypertension | <0.5% | 2% | 3% | 4% | 4% |
| Heart disease | <0.5% | 2% | 3% | 4% | 4% |
| Stroke | <0.5% | 2% | 4% | 4% | 5% |
| Functional limitations | |||||
| ADLs | <0.5% | 2% | 3% | 4% | 4% |
| IADLs | <0.5% | 2% | 3% | 4% | 4% |
| Health care utilisation | |||||
| ED visits | <0.5% | 2% | 3% | 4% | 4% |
| Inpatient admissions | <0.5% | 2% | 3% | 4% | 4% |
| Outpatient visits | <0.5% | 2% | 3% | 4% | 5% |
Notes: Mortality was treated as never missing: if GRO linkage had not identified a participant as deceased at a given Wave they were assumed alive irrespective of participation.