Table 1.
Total and Sex-Specific Means ± Standard Deviations and Medians (25th, 75th percentiles) of Baseline Characteristics and Balance Measures: The MOBILIZE Boston Study
| Characteristics | All (N=765) | Men (N=276) | Women (N=489) |
|---|---|---|---|
| Age (years) | 78.1 ± 5.4 74.0 (74.0, 82.0) |
78.3 ± 5.2 77.0 (74.0, 82.0) |
78.0 ± 5.6 77.0 (74.0, 82.0) |
| Weight (pounds) | 162.4 ± 34.2 160.0 (139.0, 181.3) |
179.5 ± 32.2 175.5 (156.8, 195.0) |
152.8 ± 31.5** 149.0 (130.0, 171.0) |
| Height (inches) | 64.4 ± 3.9 64.0 (62.0, 67.0) |
68.0 ± 2.8 68.0 (66.0, 70.0) |
62.4 ± 2.8** 62.0 (61.0, 66.0) |
| Static Balance Measures | |||
| Mediolateral Avg Sway (mm) | 2.5 ± 1.1 2.3 (1.8, 3.1) |
2.8 ± 1.2 2.7 (2.0, 3.4) |
2.4 ± 1.0** 2.2 (1.7, 2.8) |
| Mediolateral RMS (mm) | 3.2 ± 1.3 2.9 (2.2, 3.8) |
3.5 ± 1.4 3.3 (2.5, 4.3) |
3.0 ± 1.2** 2.8 (2.2, 3.6) |
| Area Ellipse Sway (mm2) | 183.3 ± 140.7 146.3 (97.1, 225.4) |
222.1 ± 165.2 193.1 (118.1, 271.6) |
161.1 ± 119.1** 132.6 (88.1, 189.7) |
| AnteroPosterior Path (mm) | 446.9 ± 124.5 424.7 (367.3, 492.4) |
454.7 ± 139.1 427.8 (368.4, 506.6) |
442.5 ± 115.2 422.4 (367.3, 487.0) |
| Average Sway Speed (mm/s) | 19.1± 4.9 18.3 (16.1, 21.3) |
19.5 ± 5.4 18.6 (16.0, 21.8) |
19.0 ± 4.5 18.2 (16.1, 21.1) |
| SPPB Tandem Balance | 3.3 ± 1.0 4.0 (3.0, 4.0) |
3.4 ± 0.9 4.0 (3.0, 4.0) |
3.1 ± 1.1** 4.0 (2.0, 4.0) |
| One-leg Stand (seconds) | 8.1 ± 7.3 5.5 (2.1, 14.5) |
9.2 ± 7.4 7.4 (2.2, 16.8) |
7.4 ± 7.1* 4.5 (1.9, 12.1) |
| Berg Balance Scale | 49.7 ± 6.7 51.0 (48.0, 55.0) |
50.5 ± 6.3 52.0 (48.0, 56.0) |
49.3 ± 6.9* 50.0 (48.0, 54.0) |
*
0.001 ≤ p < 0.005, and
**
p < 0.0001, for the difference between men & women