Table 2.
Time to failure on Test Condition 4 (95% CI) in US males and females (age 40 and over) by race/ethnicity and age, NHANES 2001–2004a
| Time to failureb | ||
|---|---|---|
| seconds (95% CI) | ||
| Demographic category | Males | Females |
| White, non-Hispanic | N=1914 | N=1959 |
| 40–49 | 25.8 (24.6, 27.1) | 27.0 (26.3, 27.8) |
| 50–59 | 23.2 (21.7, 24.7) | 22.9 (21.5, 24.2) |
| 60–69 | 19.7 (18.4, 21.0) | 18.3 (17.0, 19.6) |
| 70–79 | 15.4 (14.1, 16.7) | 13.2 (11.7, 14.6) |
| over 80 | 9.0 (7.2, 10.9) | 9.1 (7.8, 10.4) |
| Black, non-Hispanic | N=602 | N=647 |
| 40–49 | 23.6 (22.1, 25.2) | 25.0 (23.2, 26.9) |
| 50–59 | 21.0 (17.9, 24.0) | 23.4 (21.5, 25.2) |
| 60–69 | 18.8 (16.9, 20.7) | 20.6 (19.1, 22.1) |
| 70–79 | 14.4 (12.0, 16.8) | 12.4 (9.3, 15.5) |
| over 80 | 10.5 (0, 24.0) | ND |
| Mexican-American | N=610 | N=610 |
| 40–49 | 25.4 (24.2, 26.7) | 24.5 (22.8, 26.2) |
| 50–59 | 22.9 (20.2, 25.5) | 20.5 (17.6, 23.3) |
| 60–69 | 16.9 (15.4, 18.3) | 16.2 (14.7, 17.7) |
| 70–79 | 9.7 (8.2, 11.1) | 9.1 (6.3, 12.0) |
| over 80 | 2.5 (1.3, 3.8) | ND |
| Other | N=200 | N=243 |
| 40–49 | 24.5 (21,5, 27.6) | 24.4 (21.7, 27.2) |
| 50–59 | 16.8 (13.5, 20.2) | 21.2 (18.0, 24.4) |
| 60–69 | 13.9 (9.2, 18.7) | 17.1 (13.5, 20.7) |
| 70–79 | 9.7 (4.3, 15.1) | 9.7 (0.0, 19.6) |
| over 80 | ND | ND |
CI: confidence interval; ND: insufficient data; values in bold indicate a time to failure < 20 seconds.
a
N=6785, sample weights applied
b
Time to failure (in seconds) of Test Condition 4 of the modified Romberg test