Table 1.
Demographics of Women with Incident Fracture
| BMI group |
Significant P valuesa | |||
|---|---|---|---|---|
| Underweight (1) (n = 90) |
Non-obese (2) (n = 3,270) |
Obese (3) (n = 941) |
||
| Age (years) | 72 (11) | 70 (9) | 69 (8) | (1) vs. (3), (2) vs. (3) |
| Prior fracture | 51.1 | 39.4 | 39.7 | |
| Incident fracture site | ||||
| Hip | 14.4 | 8.0 | 6.5 | (1) vs. (3) |
| Spine | 12.4 | 11.2 | 9.7 | |
| Rib | 4.5 | 13.9 | 13.5 | (1) vs. (2), (1) vs. (3), |
| Wrist | 27.0 | 24.0 | 20.2 | (2) vs. (3) |
| Upper arm | 9.0 | 8.9 | 9.9 | |
| Upper leg | 8.9 | 4.0 | 5.6 | |
| Lower leg | 5.7 | 5.5 | 8.8 | (2) vs. (3) |
| Pelvis | 6.8 | 4.5 | 3.2 | |
| Ankle | 10.1 | 12.6 | 20.4 | (1) vs. (3), (2) vs. (3) |
| Clavicle | 2.3 | 3.5 | 4.0 | |
| Baseline comorbidities | ||||
| Hypertension | 43.8 | 46.3 | 69.3 | (1) vs. (3), (2) vs. (3), |
| Heart disease | 16.9 | 16.9 | 23.5 | (2) vs. (3) |
| High cholesterol | 37.2 | 49.4 | 59.6 | (1) vs. (3), (2) vs. (3) |
| Asthma | 3.4 | 11.8 | 20.8 | (1) vs. (2), (1) vs. (3), (2) vs. (3) |
| Emphysema | 11.4 | 10.2 | 17.5 | (2) vs. (3) |
| Osteoarthritis | 48.3 | 45.8 | 52.7 | (2) vs. (3) |
| Rheumatoid arthritis | 2.4 | 1.1 | 1.3 | |
| Stroke | 2.3 | 4.8 | 5.7 | |
| Colitis | 0.0 | 2.6 | 3.5 | |
| Celiac disease | 1.1 | 0.8 | 0.4 | |
| Parkinson’s disease | 3.4 | 1.0 | 1.4 | |
| Multiple sclerosis | 0.0 | 1.1 | 1.3 | |
| Cancer | 12.5 | 15.9 | 18.2 | |
| Diabetes | 3.4 | 3.4 | 9.4 | (2) vs. (3) |
| Current smoking | 15.7 | 8.9 | 8.4 | |
| Alcohol use ≥3 units/day | 0.0 | 0.8 | 0.4 | |
Data are expressed as means (standard deviations) or percentages
BMI body mass index
a
From pairwise comparisons (alpha = 0.017)