Table 2 Demographic characteristics of US military service members diagnosed with Reiter's disease and postdysenteric arthritis between 1999 and 2007 and their matched controls
Category | Subcategory | Reiter's Disease Casesa | Reiter's Disease Controls | Postdysenteric Arthritis Casesa | Postdysenteric Arthritis Controls |
|---|---|---|---|---|---|
N | Â | 482 | 1,928 | 32 | 128 |
Age (mean ± SD) |  | 30.9 ± 8.1 | 30.9 ± 8.1 | 32.1 ± 8.61 | 32.1 ± 8.61 |
Sex (n; %) | Male | 436 (90.5) | 1,744 (90.5) | 24 (75.0) | 96 (75.0) |
| Â | Female | 46 (9.5) | 184 (9.5) | 8 (25.0) | 32 (25.0) |
Race (n; %) | Asian | 14 (2.9) | 106 (5.5) | 1 (3.1) | 7 (5.4) |
| Â | Black | 57 (11.8) | 340 (17.6) | 5 (15.6) | 26 (20.3) |
| Â | Hispanic | 34 (7.1) | 187 (9.7) | 2 (6.3) | 16 (12.5) |
| Â | Indian | 6 (1.2) | 16 (0.8) | 0 (0.0) | 1 (0.8) |
| Â | White | 356 (73.9) | 1,235 (64.1) | 23 (71.9) | 71 (55.5) |
| Â | Other/Unknown | 15 (3.1) | 44 (2.3) | 1 (3.1) | 7 (5.5) |
Marital Status (n; %) | Single | 171 (35.5) | 713 (37.0) | 10 (31.3) | 55 (43.0) |
| Â | Married | 280 (58.1) | 1,141 (59.1) | 20 (62.5) | 68 (43.0) |
| Â | Other/Unknown | 31 (6.4) | 74 (3.8) | 2 (6.3) | 5 (3.4) |
Service Branch (n; %) | Air Force | 142 (29.5) | 459 (23.8) | 14 (43.8) | 37 (28.9) |
| Â | Army | 156 (32.4) | 729 (37.8) | 11 (34.4) | 54 (42.2) |
| Â | Marine | 59 (12.2) | 241 (12.5) | 3 (9.4) | 14 (10.9) |
| Â | Navy | 125 (25.9) | 499 (25.9) | 4 (12.5) | 23 (18.0) |
Rank (n; %) | Enlisted | 389 (80.7) | 1,554 (80.6) | 24 (75.0) | 94 (73.4) |
| Â | Warrant | 9 (1.9) | 21 (1.1) | 0 (0.0) | 3 (2.3) |
| Â | Officer | 84 (17.4) | 353 (18.3) | 8 (25.0) | 31 (24.2) |
Education level (n; %) | High School or equivalent | 310 (63.9) | 1,240 (64.3) | 15 (46.8) | 77 (60.2) |
| Â | Some college | 63 (13.1) | 218 (11.3) | 7 (21.9) | 11 (8.6) |
| Â | Bachelors | 57 (11.8) | 265 (13.7) | 7 (21.9) | 20 (15.6) |
| Â | Post grad | 33 (6.8) | 152 (7.9) | 3 (9.4) | 14 (10.9) |
| Â | Unknown | 19 (3.9) | 53 (2.7) | 0 (0.0) | 6 (4.7) |
High Risk Deployment b | 6 months | 36 (7.5) | 74 (3.8) | 3 (9.4) | 4 (3.1) |
(n; %) | 5 months | 31 (6.4) | 59 (3.1) | 1 (3.1) | 4 (3.1) |
| Â | 4 months | 22 (4.6) | 49 (2.5) | 1 (3.1) | 2 (1.6) |
| Â | 3 months | 15 (3.1) | 37 (1.9) | 1 (3.1) | 1 (1.6) |
Documented Infectious | 6 months | 17 (3.5) | 15 (0.8) | 1 (3.1) | 2 (1.6) |
Gastroenteritis (n; %) | 5 months | 15 (3.1) | 11 (0.6) | 1 (3.1) | 2 (1.6) |
| Â | 4 months | 14 (2.9) | 10 (0.5) | 1 (3.1) | 0 (0.0) |
| Â | 3 months | 13 (2.7) | 9 (0.5) | 1 (3.1) | 0 (0.0) |