Participant characteristics by QRISK2 category (% totals may not sum up due to rounding)
| Variables | QRISK2 Score category: n(%) or median (IQR)* | Total | ||
| <10%, n=12 | 10%–20%, n=192 | >20%, n=476 | ||
| Age | 62 (61, 63) | 63 (62, 66) | 67 (64, 70) | 65 (63, 69) |
| Female (vs male) | 12 (100) | 71 (37.0) | 178 (37.4) | 261 (38.4) |
| Ethnicity | ||||
| White | 11 (91.7) | 137 (71.4) | 412 (86.6) | 560 (82.4) |
| Black (African or Caribbean) | 0 (0) | 32 (16.7) | 41 (8.6) | 73 (10.7) |
| Other | 1 (8.3) | 23 (12.0) | 23 (4.4) | 47 (6.9) |
| Highest level of education | ||||
| Left school at or before age 15 | 5 (41.7) | 76 (39.6) | 276 (58.0) | 357 (52.5) |
| CSEs, O-levels or equivalent | 2 (16.7) | 22 (11.5) | 41 (8.6) | 65 (9.6) |
| A-levels or equivalent | 1 (8.3) | 24 (12.5) | 42 (8.8) | 67 (9.9) |
| Further education | 0 (0) | 14 (7.3) | 19 (4.0) | 33 (4.9) |
| Bachelor degree | 3 (25.0) | 26 (13.5) | 52 (10.9) | 81 (11.9) |
| Further higher degree | 1 (8.3) | 23 (12.0) | 40 (8.4) | 64 (9.4) |
| IMD quintile | ||||
| 1 (most deprived) | 5 (41.7) | 88 (45.8) | 276 (58.0) | 369 (54.3) |
| 2 | 5 (41.7) | 78 (40.62) | 147 (30.1) | 230 (33.8) |
| 3 | 0 (0) | 3 (1.56) | 13 (2.7) | 16 (2.4) |
| 4 | 0 (0) | 0 (0) | 1 (0.2) | 1 (0.2) |
| 5 (least deprived) | 0 (0) | 0 (0) | 0 (0) | 0 (0) |
| Smoking status | ||||
| Current smoker (vs former) | 2 (16.7) | 112 (58.4) | 376 (79.0) | 490 (72.1) |
| Years smoked (years) | 45 (42–27) | 45 (43, 48) | 49 (45, 52) | 47 (44, 51) |
| Average smoking intensity (cigs/day) | 10 (7–18) | 15 (10, 20) | 20 (12, 20) | 20 (10, 20) |
| Lung function | ||||
| FEV1 (% predicted) | 89 (78.5, 106) | 84 (69, 100) | 81 (63, 94) | 81 (66, 96) |
| FEV/FVC (%) | 66 (62, 77) | 70 (65, 76) | 67 (60, 74) | 68 (61, 75) |
| Other cardiovascular risk factors | ||||
| On hypertensive treatment | 0 (0) | 34 (17.7) | 196 (41.2) | 230 (33.8) |
| Family history of heart disease | 1 (8.3) | 54 (28.12) | 233 (49.0) | 288 (42.4) |
| History of diabetes | 0 (0) | 0 (0) | 83 (17.4) | 83 (12.2) |
| BMI (kg/m2) | 22.9 (19.8, 30.2) | 25.5 (22.1, 28.6) | 26.1 (23.1–29.3) | 25.9 (22.8, 29.2) |
| Systolic BP (mm Hg) | 114 (100, 121) | 129 (117, 138) | 139 (128, 152) | 135 (125, 148) |
| Diastolic BP (mm Hg) | 73 (70, 75) | 82 (75, 87) | 84 (77, 91) | 83 (76, 90) |
BMI, body mass index; BP, blood pressure; IMD, Index of Multiple Deprivation.