Characteristic | Non-responders (N=39260) | Responders (N =5964) | Responders with survey data (N =3492) | Responders with no survey data (N = 2472) |
---|---|---|---|---|
Age (years) | ||||
Mean (SD) | 30.3 (8.2) | 30.7 (7.6) | 30.9 (7.6) | 30.5 (7.6) |
Sex, n (%) | ||||
Male | 33517 (85.4%) | 5238 (87.8%) | 3028 (86.7%) | 2210 (89.4%) |
Female | 5743 (14.6%) | 726 (12.2%) | 464 (13.3%) | 262 (10.6%) |
Race, n (%) | ||||
White | 30209 (76.9%) | 4630 (77.6%) | 2703 (77.4%) | 1927 (78.0%) |
Black | 2183 (5.6%) | 304 (5.1%) | 167 (4.8%) | 137 (5.5%) |
Asian/AI/AN/NH/PI | 1541 (3.9%) | 240 (4.0%) | 153 (4.4%) | 87 (3.5%) |
Other | 2111 (5.4%) | 300 (5.0%) | 178 (5.1%) | 122 (4.9%) |
Unknown | 3216 (8.2%) | 490 (8.3%) | 291 (8.3%) | 199 (8.1%) |
Military rank, n (%) | ||||
Junior enlisted (E1-E5) | 22191 (56.5%) | 3020 (50.6%) | 1696 (48.6%) | 1324 (53.6%) |
Senior enlisted (E6-E10) | 10106 (25.7%) | 1454 (24.4%) | 868 (24.9%) | 586 (23.7%) |
Officer (O1-O10, W2-W4) | 6963 (17.8%) | 1490 (25.0%) | 928 (26.5%) | 562 (22.7%) |
Highest education, n (%) | ||||
High school or less | 27401 (69.8%) | 3893 (65.3%) | 2242 (64.2%) | 1651 (66.8%) |
Some college or highera | 10862 (27.7%) | 1990 (33.4%) | 1203 (34.5%) | 787 (31.8%) |
Other or not indicated | 997 (2.5%) | 81 (1.3%) | 47 (1.3%) | 34 (1.4%) |
Smoking status, n (%) | ||||
Never | -- | -- | 1888 (54.1%) | -- |
Former | -- | -- | 521 (14.9%) | -- |
Current | -- | -- | 786 (22.5%) | -- |
Missing | -- | -- | 297 (8.5%) | -- |
Follow-up time (years) | ||||
Median | 5.5 | 5.1 | 5.1 | 5.2 |