Table 1 Demographic characteristics of selected US military members between 1998–2009
From: Giardia lamblia infection increases risk of chronic gastrointestinal disorders
G. lamblia | Unexposed | Total | |
|---|---|---|---|
N | 80 | 294 | 374 |
Age [Median (IQR)] | 37.35 (34, 45) | 35 (30, 46) | 35 (32, 46) |
Sex [n (%)] | |||
Male | 80 (100) | 294 (100) | 374 (100) |
Race/Ethnicity [n (%)] | |||
Hispanic | 13 (16.3) | 69 (23.5) | 82 (23.7) |
White | 67 (83.8) | 215 (73.1) | 282 (75.4) |
Other/Unknown | 0 (0) | 10 (3.4) | 10 (2.6) |
Education [n (%)] | |||
High School | 55 (68.8) | 217 (73.8) | 272 (72.7) |
Some College | 10 (12.5) | 25 (8.5) | 35 (9.4) |
College | 5 (6.3) | 26 (8.8) | 31 (8.2) |
Graduate School | 10 (12.5) | 24 (8.2) | 34 (11.6) |
Unknown | 0 (0) | 1 (0.3) | 1 (0.3) |
Rank [n (%)] | |||
Junior enlisted | 23 (28.8) | 116 (39.5) | 139 (50.7) |
Senior enlisted | 44 (55.0) | 130 (44.2) | 174 (46.5) |
Junior officer | 0 (0) | 2 (0.7) | 5 (0.8) |
Senior officer | 13 (16.3) | 46 (15.6) | 59 (15.7) |
Service [n (%)] | |||
Army | 29 (36.3) | 81 (27.5) | 110 (29.4) |
Coast Guard | 0 (0) | 12 (4.1) | 12 (3.2) |
Air force | 12 (15) | 41 (13.9) | 53 (14.2) |
Marines | 13 (16.3) | 70 (23.8) | 83 (22.2) |
Navy | 26 (32.5) | 90 (30.6) | 116 (31.1) |
Military Operation [n (%)] | |||
Iraqi Freedom (Iraq) | 17 (21.24) | 85 (28.9) | 102 (76.7) |
Enduring Freedom (Afghanistan) | 8 (10.0) | 49 (16.6) | 57 (65.4) |
Primary Outcomes | |||
Dyspepsia | 8 (10.0) | 5 (17) | 13 (3.5) |
Constipation | 4 (5.0) | 6 (20.4) | 10 (2.6) |
IBS | 16 (20.0) | 16 (5.4) | 32 (8.5) |
GERD | 26 (32.5) | 51 (17.3) | 77 (20.5) |