Table 2. Cohort demographics by coccidioidomycosis-like diagnosis for incidence of Coccidioides seroconversion among military personnel, Naval Air Station Lemoore, San Joaquin Valley, California, USA*.
| Variables | Diagnosis |
Total | p value | |
|---|---|---|---|---|
| No | Yes | |||
| Seroconversion | 0.0267 | |||
| Yes† | 27 (1.38) | 3 (6.82) | 30 (1.50) | |
| No |
1,929 (98.62) |
41 (93.18) |
1,970 (98.50) |
|
| Mean age, y (range) |
24.0 (20.0–27.0) |
21.0 (19.5–25.0) |
23.0 (20.0–27.0) |
0.0572 |
| Sex | 0.1067 | |||
| M | 1,644 (84.05) | 33 (75.00) | 1,677 (83.85) | |
| F |
312 (15.95) |
11 (25.00) |
323 (16.15) |
|
| Race/ethnicity | 0.5885 | |||
| Caucasian | 892 (45.60) | 24 (54.55) | 916 (45.80) | |
| African American | 299 (15.29) | 4 (9.09) | 303 (15.15) | |
| Asian/Pacific Islander | 118 (6.03) | 4 (9.09) | 122 (6.10) | |
| Hispanic | 335 (17.13) | 7 (15.91) | 342 (17.10) | |
| Other | 287 (14.67) | 5 (11.36) | 292 (14.60) | |
| Unknown |
25 (1.28) |
0 |
25 (1.25) |
|
| Education | >0.999 | |||
| No high school | 10 (0.51) | 0 | 10 (0.50) | |
| High school | 1,545 (78.99) | 37 (84.09) | 1,582 (79.10) | |
| Bachelor’s degree or less | 271 (13.85) | 6 (13.64) | 277 (13.85) | |
| Master's degree or higher | 32 (1.64) | 0 | 32 (1.60) | |
| Unknown |
98 (5.01) |
1 (2.27) |
99 (4.95) |
|
| Service | >0.999 | |||
| Navy | 1,945 (99.44) | 44 (100.00) | 1,989 (99.45) | |
| Other |
11 (0.56) |
0 |
11 (0.55) |
|
| Grade | 0.1799 | |||
| Enlisted | 1,772 (90.59) | 43 (97.73) | 1,815 (90.75) | |
| Warrant/officer |
184 (9.41) |
1 (2.27) |
185 (9.25) |
|
| Outdoor occupation |
1,186 (60.63) |
20 (45.45) |
1,210 (60.50) |
0.4139 |
| Total | 1,956 | 44 | 2,000 | |
*Values are no. (%) unless indicated otherwise. †Includes previous seroconversion.