| Characteristic | Number (%) | % | % | % |
|---|---|---|---|---|
| Ethnic group | All | White | Asian | Black |
| Individuals | 20 821 | 96.6% | 2.1% | 1.2% |
| Sex | ||||
| Male | 7457 (35.8%) | 35.6% | 42.5% | 38.9% |
| Age (years) | ||||
| Mean (95% CI; SD) | 79.79 (79.67 to 79.91; 9.03) | 79.9 (79.78 to 80.03; 9.36) | 77.27 (76.23 to 78.31; 8.94) | 75.30 (73.79 to 76.80; 10.63) |
| Age category, years | ||||
| 50–59 | 734 (3.5%) | 3.4% | 4.6% | 10.3% |
| 60–69 | 2231 (10.7%) | 10.6% | 14.5% | 15.9% |
| 70–79 | 6602 (31.7%) | 31.4% | 42.4% | 39.7% |
| 80–89 | 9091 (43.7%) | 44.1% | 33.4% | 29.4% |
| ≥90 | 2163 (10.4%) | 10.6% | 5.1% | 4.8% |
| Townsend quintile | ||||
| 1 (least deprived) | 19.9% | 20.1% | 17.0% | 12.1% |
| 2 | 24.4% | 24.7% | 22.9% | 11.5% |
| 3 | 22.4% | 22.3% | 24.1% | 21.3% |
| 4 | 19.5% | 19.4% | 22.1% | 24.9% |
| 5 (most deprived) | 13.8% | 13.6% | 13.9% | 30.2% |
| Prescribing index (95% CI; SD) | 8.29 (7.99 to 8.60; 2.28) | 8.34 (8.02 to 8.66; 2.29) | 9.09 (7.55 to 10.62; 2.33) | 6.51 (4.67 to 8.35; 2.74) |
| Comorbidity | ||||
| Myocardial infarction | 8.9% | 8.9% | 12.3% | 5.1% |
| Stroke | 22.7% | 22.7% | 23.6% | 18.6% |
| Chronic kidney disease | 43.6% | 43.4% | 49.6% | 47.4% |
| Diabetes | 59.3% | 58.8% | 72.8% | 75% |
| Hypertension | 55.4% | 55.3% | 61.0% | 59.3% |
| No comorbidity | 12.7% | 12.8% | 7.7% | 8.8% |
CI = confidence interval. SD = standard deviation.