Table 1.
Categorization of hypothyroidism, DM and hypertension into disease statuses and categories. The HUNT Study, 1995–97 (baseline) and 2006–08 (follow-up)
| Disease statuses | Self-reported disease | Abnormal measurement | Disease categories | ||
|---|---|---|---|---|---|
| Baseline | follow-up | Baseline | follow-up | ||
| No disease, baseline and follow-up | No | No | No | No | Category A |
| Unknown, baseline and/or follow-up | No | No | Yes/no | Yes | Category B |
| Unknown baseline, known follow-up | No | Yes | Yes | – | Category C |
| No disease baseline, known follow-up | No | Yes | Yes | – | Category D |
| Known baseline | Yes | – | – | – | Category E |