Table 1 Demographics
Full cohort (n = 74,408) | Any physical therapy use (n = 15,430) | Physical therapy first (n = 3,591) | Early physical therapy (n = 7,924) | Delayed physical therapy (n = 3915) | No physical therapy (n = 58,579) | |
|---|---|---|---|---|---|---|
Age, mean (SD) | 32.1 (7.7) | 31.9 (7.4) | 30.4 (7.3) | 32.2 (7.3) | 32.6 (7.5) | 32.1 (7.8) |
18 to 30 | 35,095 (47.2) | 7377 (47.8) | 1992 (55.5) | 3684 (46.5) | 1701 (43.4) | 27,512 (47.0) |
31 to 40 | 26,943 (36.2) | 5785 (37.5) | 1209 (33.7) | 3015 (38.0) | 1561 (39.9) | 21,019 (35.9) |
41 to 50 | 12,370 (16.6) | 2268 (14.7) | 390 (10.9) | 1225 (15.5) | 653 (16.7) | 10,048 (17.2) |
Female sex | 22,640 (30.4) | 4540 (29.4) | 702 (19.5) | 2600 (32.8) | 1238 (31.6) | 18,019 (30.8) |
Branch of service | ||||||
Army | 35,885 (48.2) | 6445 (41.8) | 1795 (50.0) | 2927 (36.9) | 1723 (44.0) | 29,273 (50.0) |
Air Force | 19,731 (26.5) | 5358 (34.7) | 710 (19.8) | 3312 (41.8) | 1336 (34.1) | 14,219 (24.3) |
Coast Guard | 1689 (2.3) | 316 (2.0) | 58 (1.6) | 182 (2.3) | 76 (1.9) | 1367 (2.3) |
Marine Corps | 5940 (8.0) | 1080 (7.0) | 437 (12.2) | 416 (5.2) | 227 (5.8) | 4822 (8.2) |
Navy | 11,163 (15.0) | 2231 (14.5) | 591 (16.5) | 1087 (13.7) | 553 (14.1) | 8898 (15.2) |
Socioeconomic status | ||||||
Junior Enlisted | 32,702 (43.9) | 6793 (44.0) | 1624 (45.2) | 3481 (43.9) | 1688 (43.1) | 25,724 (43.9) |
Senior Enlisted | 26,854 (36.1) | 5422 (35.1) | 1072 (29.9) | 2888 (36.4) | 1462 (37.3) | 21,297 (36.4) |
Junior Officer | 7847 (10.5) | 1762 (11.4) | 472 (13.1) | 884 (11.2) | 405 (10.3) | 6035 (10.3) |
Senior Officer | 6587 (8.9) | 1272 (8.2) | 259 (7.2) | 659 (8.3) | 354 (9.0) | 5293 (9.0) |
Unknown | 418 (0.6) | 182 (1.2) | 164 (4.6) | 12 (0.2) | 6 (0.2) | 230 (0.4) |