Table 1 Characteristics of the study sample 1
Characteristic | Sample | Any DS2 |
|---|---|---|
|  | % (N) | % ± SE (N) |
Total | 100% (990) | 53.2 ± 1.84 (536) |
Sex | ||
 Male | 86.8 (859) | 52.6 ± 1.97 (452) |
 Female | 13.2 (131) | 57.3 ± 5.21 (75) |
Racial background | ||
 White/Caucasian | 69.5 (688) | 53.8 ± 2.23 (370) |
 Black | 17.4 (172) | 50.8 ± 4.31 (87) |
 Other | 13.2 (130) | 53.3 ± 4.98 (69) |
Age (years) | ||
 18 to 24 | 41.0 (406) | 41.4 ± 2.58 (168) |
 25 to 29 | 21.5 (213) | 57.3 ± 3.75 (122) |
 30 to 39 | 26.2 (259) | 64.0 ± 3.79 (166) |
 40+ | 11.3 (112) | 63.4 ± 5.88 (112) |
Education | ||
 < BS degree | 77.5 (767) | 48.9 ± 1.92 (375) |
 ≥ BS degree | 22.5 (223) | 68.0 ± 4.53 (152) |
Rank | ||
 Enlisted (1-9) | 83.5 (827) | 50.5 ± 1.86 (417) |
 WO/Officer | 16.5 (163) | 67.2 ± 5.62 (110) |
Tobacco use | ||
 Current | 43.5 (429) | 46.9 ± 2.73 (201) |
 Former/Never | 56.5 (556) | 58.1 ± 2.48 (323) |
 Overall health | ||
 Excellent/Good | 88.3 (872) | 54.2 ± 1.98 (473) |
 Fair/Poor | 11.7 (115) | 45.2 ± 4.92 (52) |
Fitness level | ||
 Excellent/Good | 76.6 (756) | 51.9 ± 3.79 (407) |
 Fair/Poor | 23.4 (232) | 53.8 ± 2.12 (120) |
Eating habits | ||
 Excellent/Good | 63.3 (624) | 55.7 ± 2.33 (348) |
 Fair/Poor | 36.7 (362) | 49.0 ± 3.01 (177) |
Last APFT score | ||
 < 240 or unsure (<median) | 29.5 (292) | 51.8 ± 2.31 |
 240 - 289 (median) | 48.2 (476) | 50.3 ± 2.61 |
 ≥ 290 (> median) | 22.3 (220) | 61.3 ± 2.33 |
Adverse event | ||
 No | 86.0 (852) | 50.4 ± 1.99 (429) |
 Yes | 14.0 (138) | 70.7 ± 4.39 (98) |