Descriptive characteristics of the contributing person-years
| Characteristic | No. of person-years | % of cohort |
|---|---|---|
| Total no. of person-years | 24 126 962 | 100.0 |
| Sex | ||
| Female | 12 457 638 | 51.6 |
| Male | 11 668 294 | 48.4 |
| Unknown/unspecified | 1030 | < 0.1 |
| Age, yr | ||
| < 18 | 4 880 854 | 20.2 |
| 18–29 | 3 766 248 | 15.6 |
| 30–44 | 4 809 124 | 19.9 |
| 45–64 | 8 840 679 | 36.6 |
| ≥ 65 | 1 830 057 | 7.6 |
| No. of prescriptions annually | ||
| 0 | 8 200 161 | 34.0 |
| 1–3 | 6 517 766 | 27.0 |
| 4–6 | 3 050 005 | 12.6 |
| 7–9 | 1 729 357 | 7.2 |
| ≥ 10 | 4 629 673 | 19.2 |
| Household size, no. of people | ||
| 1 | 4 758 066 | 19.7 |
| 2 | 5 760 859 | 23.9 |
| 3 | 3 104 824 | 12.9 |
| ≥ 4 | 10 503 213 | 43.5 |
| Income band, $ | ||
| < 15 000 | 2 780 122 | 11.5 |
| 15 000–30 000 | 3 346 896 | 13.9 |
| > 30 000 | 17 999 944 | 74.6 |