Table 1.
Mean disability score and prevalence of disability severity categories, by demographic and military characteristics.
| Group | Percentage of sample | Mean disability score (SD) | Disability severity category (95% confidence interval) | |||
|---|---|---|---|---|---|---|
| None | Mild | Moderate | Severe | |||
| Whole sample | 7.6 (13.1) | 59.2 (58.0 to 60.5) | 30.8 (58.0 to 60.5) | 8.4 (7.6 to 9.1) | 1.6 (1.3 to 2.0) | |
| Sex | ||||||
| Male | 86.1 | 7.3 (12.4)* | 60.3 (59.0 to 60.6) | 30.4 (29.1 to 31.6) | 7.8 (7.0 to 8.5) | 1.6 (1.2 to 1.9) |
| Female | 13.9 | 9.3 (14.7)† | 52.7 (49.3 to 56.1) | 33.2 (30.0 to 36.5) | 12.1 (9.8 to 14.4) | 2.0 (0.9 to 3.0)a |
| Age, y | ||||||
| 17 to 24 | 13.3 | 4.4 (9.1)* | 71.5 (67.8 to 74.9) | 24.3 (20.8 to 27.7) | 4.0 (2.4 to 5.5)a | 0.5 (0.0 to 1.1)a |
| 25 to 34 | 37.6 | 6.4 (11.5)† | 62.6 (60.5 to 64.7) | 29.6 (27.6 to 31.7) | 6.9 (5.6 to 8.1) | 0.9 (0.5 to 1.3)a |
| 35 to 44 | 27.7 | 9.3 (15.3)‡ | 54.0 (51.7 to 56.2) | 33.0 (30.9 to 35.2) | 10.4 (9.0 to 11.8) | 2.6 (1.8 to 3.4) |
| 45 to 60 | 21.3 | 9.5 (14.1)‡ | 52.7 (50.1 to 55.1) | 33.9 (31.5 to 36.3) | 11.2 (9.6 to 12.8) | 2.3 (1.5 to 3.1)a |
| Rank | ||||||
| Junior NCM | 55.1 | 7.7 (12.6)* | 59.1 (57.3 to 61.0) | 30.5 (28.7 to 32.4) | 8.6 (7.5 to 9.7) | 1.7 (1.2 to 2.2) |
| Senior NCM | 24.1 | 9.2 (13.6)† | 52.9 (50.7 to 55.1) | 34.5 (32.4 to 36.5) | 10.5 (9.1 to 11.8) | 2.2 (1.5 to 2.9) |
| Officer | 20.9 | 5.5 (9.4)‡ | 66.7 (64.7 to 68.8) | 27.0 (25.1 to 29.1) | 5.4 (4.3 to 6.5) | 0.7 (0.4 to 1.1)a |
| Service | ||||||
| Army | 53.2 | 8.0 (13.0)* | 58.5 (56.8 to 60.2) | 30.51 (28.9 to 32.2) | 9.1 (8.1 to 10.1) | 1.9 (1.4 to 2.4) |
| Navy | 17.2 | 7.4 (12.4)*,† | 58.5 (55.5 to 61.4) | 32.0 (29.2 to 34.8) | 7.9 (6.3 to 9.5) | 1.6 (0.9 to 2.3)a |
| Air Force | 29.6 | 7.0 (11.9)† | 61.1 (58.9 to 63.2) | 30.5 (28.3 to 32.6) | 7.4 (6.2 to 8.6) | 1.1 (0.6 to 1.6)a |
| Deployment status | ||||||
| Deployed | 61.5 | 8.4 (13.2)* | 56.3 (54.7 to 57.7) | 32.3 (30.9 to 33.8) | 9.5 (8.6 to 10.3) | 2.0 (1.5 to 2.4) |
| Not deployed | 38.5 | 6.4 (11.5)† | 64.1 (61.9 to 66.2) | 28.2 (26.1 to 30.3) | 6.6 (5.4 to 7.8) | 1.1 (0.6 to 1.6)a |
Disability means not sharing a superscript symbol are significantly different at P < 0.05. NCM = noncommissioned member.
aBecause of a high level of variation, estimates may be unreliable.