Table 1.
Characteristics at baseline among 351 Rochester, Minnesota, women and 348 Rochester men followed for rib fracture.
| Risk factor | Women | Men |
|---|---|---|
| Age (years), mean ± SD | 54.9 ± 19.8 | 55.4 ± 19.6 |
| Prior osteoporotic fracture‡, N (%) | 47 (13%) | 36 (10%) |
| Prior rib fracture, N (%) | 20 (6%) | 41 (12%) |
| Alcohol consumption, N (%) | 299 (85%) | 315 (91%) |
| Heavy alcohol use, N (%) | 24 (7%) | 66 (19%) |
| Ever smoked cigarettes, N (%) | 154 (44%) | 194 (56%) |
| Body mass index (kg/m2) | 26.1 ± 5.46 | 27.3 ± 4.41 |
| Physical activity (kcal/week) | 24,534 ± 7143 | 30,997 ± 10,581 |
| Risk factors for 2°osteoporosis, N (%) | 139 (40%) | 134 (39%) |
| Risk factors for falling, N (%) | 274 (78%) | 172 (49%) |
| Any fall in past year, N (%) | 175 (50%) | 157 (46%) |
| Femoral neck BMD, mean ± SD | 0.75 ± 0.15 | 0.86 ± 0.15 |
| Lumbar spine BMD, mean ± SD | 1.01 ± 0.16 | 1.12 ± 0.18 |
| Ultradistal radius BMD, mean ± SD | 0.39 ± 0.08 | 0.49 ± 0.08 |
| Ribs BMD, mean ± SD | 0.61 ± 0.08 | 0.72 ± 0.090 |
‡Hip, spine, or wrist fracture due to only moderate trauma.
BMD, bone mineral density.
2°, secondary. Note: percents are out of non-missing values.