Table 1.
Baseline Characteristics of Older Adults with Fall Injury versus Nonfall Events in the Health, Aging, and Body Composition Study, 2000–08
| Variable | Fall injuries (NFFI and fracture) | Non-fall event group | p Value |
|---|---|---|---|
| N = 1 595 | 448 (28.1%) | 1 147 (71.9%) | . |
| Age, mean (SD) | 76.97 (2.99) | 76.48 (2.80) | .004 |
| Body mass index, mean (SD) | 26.81 (4.90) | 27.44 (4.73) | .02 |
| 3MS, mean (SD) | 90.88 (7.66) | 89.83 (8.71) | .09 |
| CES-D score, mean (SD) | 6.97 (6.69) | 6.14 (6.19) | .03 |
| Number of Rx meds, mean (SD) | 3.68 (2.81) | 3.23 (2.60) | .004 |
| Physical activity, kcal/kg/wk, mean (SD) | 5.57 (20.88) | 6.05 (17.89) | .86 |
| Sex | |||
| Women | 303 (67.63%) | 538 (46.90%) | <.0001 |
| Race | |||
| White | 333 (74.33%) | 670 (58.41%) | <.0001 |
| Black | 115 (25.67%) | 477 (41.59%) | |
| Study site | |||
| Memphis | 255 (56.92%) | 740 (64.52%) | .005 |
| Pitt | 193 (43.08%) | 407 (35.48%) | . |
| High school grad | 363 (81.57%) | 822 (72.61%) | .0002 |
| Monofilament insensitivity | |||
| None | 228 (52.17%) | 629 (55.76%) | .28 |
| 1.4 g | 172 (39.36%) | 395 (35.02%) | |
| 10 g | 37 (8.47%) | 104 (9.22%) | . |
| Poor vision | 251 (56.03%) | 585 (51.00%) | .07 |
| High Cystatin C | 129 (29.93%) | 301 (26.83%) | .22 |
| >1 drink per wk | 206 (46.61%) | 571 (50.58%) | .16 |
| Diabetes | 88 (19.64%) | 258 (22.49%) | .21 |
| AAI | |||
| ≤0.9 | 79 (17.63%) | 226 (19.70%) | .34 |
| >0.9–≤1.3 | 348 (77.68%) | 882 (76.90%) | . |
| >1.3 | 21 (4.69%) | 39 (3.40%) | . |
| Hypertension | 355 (79.24%) | 900 (78.47%) | .73 |
| Cerebrovascular disease | 34 (7.64%) | 75 (6.61%) | .47 |
| Cardiovascular disease | 72 (16.25%) | 187 (16.58%) | .88 |
| Smoking status | |||
| Never | 228 (54.03%) | 497 (45.31%) | .006 |
| Current | 22 (5.42%) | 85 (7.75%) | . |
| Former smoker | 172 (40.64%) | 515 (46.95%) | . |
Notes: AAI = ankle arm index; CES-D = the Short Center for Epidemiologic Studies–Depression Scale; 3MS = The modified mini-mental state test; NFFI = nonfracture fall injuries; Rx meds = prescription medications. Chi-square test and t test or Kruskal–Wallis test were used for categorical variables and continuous variables, respectively.