Table 1.
Descriptive statistics and univariable comparisons between cases and controls
| Cases with VF n = 64 |
Controls without VF n = 133 |
P value for difference | |
|---|---|---|---|
| Mean (IQR) | Mean (IQR) | ||
| Age (years) | 76.9 (71.2 to 83.5) | 71.7 (67.0 to 78.0) | <0.001 |
| Health state by EQ-VAS | 55 (35 to 75) | 64 (47 to 80) | 0.098 |
| n (%) | n (%) | ||
| Socioeconomic status | |||
| Housing tenure | 0.112 | ||
| Mortgaged/owned | 48 (80.0) | 108 (85.7) | |
| Private or HA rental | 7 (11.7) | 7 (5.6) | |
| Council rental | 1 (1.7) | 8 (6.4) | |
| Sheltered accommodation or NH | 4 (6.7) | 3 (2.4) | |
| Risk factors for fracture | |||
| Previous non-vertebral fracture | <0.001 | ||
| Yes | 46 (73.0) | 56 (42.8) | |
| No | 17 (27.0) | 75 (57.2) | |
| FH hip fracture | 0.397 | ||
| Yes | 12 (18.8) | 20 (15.0) | |
| No | 43 (67.2) | 101 (75.9) | |
| Do not know | 9 (14.1) | 12 (9.0) | |
| Use of steroids for >3 months | 0.002 | ||
| Yes | 18 (31.0) | 14 (11.9) | |
| No | 40 (69.0) | 104 (88.1) | |
| Poor vision | 0.016 | ||
| Yes | 10 (15.6) | 7 (5.3) | |
| No | 54 (84.4) | 125 (94.7) | |
| Frailty | |||
| Walking distance | 0.005 | ||
| <400 yd | 33 (57.9) | 42 (35.6) | |
| ≥400 yd | 24 (42.1) | 76 (64.4) | |
| Falls | 0.023 | ||
| One or more per year | 23 (36.5) | 27 (21.1) | |
| Less than one per year | 40 (63.5) | 101 (78.9) | |
| Concomitant illnesses | 0.561 | ||
| Yes | 54 (85.7) | 117 (88.6) | |
| No | 9 (14.3) | 15 (11.4) | |
| Balance problems | 0.056 | ||
| Yes | 27 (42.2) | 34 (25.8) | |
| No | 37 (57.8) | 97 (73.5) | |
EQ-VAS EuroQol visual analogue scale, FH family history, HA housing association, IQR inter-quartile range, VF vertebral fracture