Table 1. Most prevalent active medical problems at study entry a,b.
| Diagnostic categoryc | % |
| Hypertension | 55.4 |
| CHD | 47.7 |
| Pulmonary disease | 45.8 |
| Arthritis disease | 44.3 |
| Gastrointestinal disease | 42.1 |
| Anemia | 26.6 |
| Cerebrovascular disease | 25.9 |
| Arrhythmia | 25.9 |
| Congestive heart failure | 25.4 |
| Diabetes | 25.1 |
a: Included primary and secondary diagnosis.
b: Percent of patients with at least one of conditions from the given diagnostic category.
c: CHD: Included coronary heart disease and angina. Pulmonary disease: Included chronic obstructive pulmonary disease, bronchitis, pneumonia. Gastrointestinal disease: Included liver disease, and upper and lower gastrointestinal disorders.