Table 1.
Participant characteristics at baseline by gender
| Women (n = 130) | Men (n = 30) | Mean differences (95% CI) or chi squared, p | |
|---|---|---|---|
| Group (HIGH:LOW) | 65:65 | 15:15 | - |
| Age at fracture (years), mean (SD) | 84.4 (6.7) | 81.7 (10.6) | 2.7 (-0.4 to 5.7), 0.083 |
| Height (cm), mean (SD) | 157.6 (7.7) | 168.3 (14.5) | -10.7 (-14.4 to -7.0), p < 0.01 |
| Mass (kg), mean (SD) | 58.5 (12.0) | 67.8 (15.0) | -9.3 (-14.4 to -4.3), p < 0.01 |
| Pre-fracture Barthel Index, mean (SD) | 93.9 (9.0) | 96.2 (9.3) | -2.3 (-5.9 to 1.4), 0.217 |
| Pre-fracture falls, mean (SD) | 1.7 (1.5) | 2.3 (2.3) | -0.6 (-1.3 to 0.0), 0.066 |
| Pre-fracture co-morbidities, mean (SD) | 3.8 (1.8) | 4.1 (2.1) | -0.3 (-1.1 to 0.4), 0.384 |
| Pre-fracture services, mean (SD) | 1.1 (1.4) | 1.1 (1.3) | 0.1 (-0.5 to 0.6), 0.859 |
| Medications, mean (SD) | 6.7 (2.7) | 5.8 (2.5) | 0.9 (-0.2 to 2.0), 0.094 |
| Hostel dwelling, n (%) | 28 (21.5) | 1 (3.3) | 5.4, p = 0.020 |
| Type of pre-fracture walking aid, | |||
| No aids or using walking stick or crutches, n (%) | 104 (80) | 26 (86.7) | 0.7, p = 0.399 |
| All other aids, n (%) | 26 (20) | 4 (13.3) | |
| Left hip fracture, n (%) | 77 (59.2) | 18 (60) | 0.006, p = 0.938 |
| Type of fracture, | |||
| Intra-capsular, n (%) | 63 (49.2)* | 15 (50) | 0.006, p = 0.939 |
| Trochanteric, n (%) | 65 (50.8)* | 15 (50) | |
| Type of surgery, | |||
| Bone screw, plate or other, n (%) | 79 (60.8) | 17 (56.7) | 0.1, p = 0.738 |
| Arthroplasty, n (%) | 51 (39.2) | 13 (43.3) | |
| Short Portable Mental Status Questionnaire ≥3 adjusted errors, n (%) | 48 (36.9) | 6 (20) | 3.2, p = 0.077 |
Bold indicates p < 0.05; *n = 128.