Age, years | Median (IQR) | 52 | 36–66 |
Mean (SD) | 52 | 19 |
Age group, years | 18–39 | 210 047 | 29.9 |
40–59 | 241 831 | 34.4 |
60–79 | 194 168 | 27.6 |
≥80 | 56 219 | 8.0 |
Sex | Male | 328 712 | 46.8 |
Female | 373 553 | 53.2 |
Socioeconomic status (IMD quintile) | 1 (most deprived) | 102 796 | 14.6 |
2 | 126 069 | 18.0 |
3 | 132 262 | 18.8 |
4 | 146 622 | 20.9 |
5 (least deprived) | 186 284 | 26.5 |
Missing | 8232 | 1.2 |
Ethnic group | British and Mixed British (Irish, Other, or White) | 427 019 | 60.8 |
Mixed (White and Asian, White and Black African, White and Black Caribbean, or Other Mixed) | 3863 | 0.6 |
Indian, Bangladeshi, Pakistani, or Other Asian | 13 180 | 1.9 |
African, Caribbean, or Other Black | 5251 | 0.7 |
Other | 7236 | 1.0 |
Missing | 245 716 | 35.0 |
Long-term condition diagnosed at the point of baseline | Chronic kidney disease | 36 059 | 5.1 |
CVD (ischaemic heart disease, cerebrovascular disease, and peripheral cardiovascular disease) | 52 985 | 7.5 |
Heart failure | 12 799 | 1.8 |
Diabetes | 62 767 | 8.9 |
Hypertension | 150 458 | 21.4 |
Osteoarthritis | 95 294 | 13.6 |
Rheumatoid arthritis | 6723 | 1.0 |
Prescribed at baseline | NSAID | 19 364 | 2.8 |