Table 1 Cohort characteristics
From: The health and cost implications of high body mass index in Australian defence force personnel
| Â | Cohort | ||||
|---|---|---|---|---|---|
|  | Normal | Overweight | Obese Restricted body fat | Obese No restriction on body fat |  p  -value |
|  | n = 197 | n = 154 | n = 148 | n = 180 |  |
| Â | n (%) | n (%) | n (%) | n (%) | Â |
Sex | Â | Â | Â | Â | Â |
 Male | 160 (81) | 136 (88) | 140 (95) | 161 (89) | 0.003 |
 Female | 37 (19) | 18 (12) | 8 (5) | 19 (11) |  |
Service | Â | Â | Â | Â | Â |
 Navy | 63 (32) | 51 (33) | 40 (27) | 74 (41) | 0.002 |
 Army | 90 (46) | 70 (45) | 78 (53) | 86 (48) |  |
 Air Force | 44 (22) | 33 (21) | 30 (20) | 20 (11) |  |
Age group | Â | Â | Â | Â | Â |
 ≤19 | 126 (65) | 54 (35) | 54 (36) | 59 (33) | <0.0001 |
 20–24 | 56 (29) | 51 (33) | 49 (33) | 59 (33) |  |
 25–29 | 2 (1) | 28 (18) | 20 (14) | 31 (17) |  |
 ≥30 | 10 (5) | 21 (14) | 25 (17) | 31 (17) |  |
Rank | Â | Â | Â | Â | Â |
 Officer | 20 (13) | 8 (7) | 7 (5) | 11 (7) | 0.06 |
 Recruit | 139 (87) | 115 (94) | 131 (95) | 150 (93) |  |
MEC status | Â | Â | Â | Â | Â |
 1 | 139 (95) | 118 (91) | 107 (85) | 142 (88) | 0.02 |
 2 | 2 (1) | 10 (8) | 4 (3) | 9 (6) |  |
  201 | 0 (0) | 2 (2) | 1 (1) | 4 (2) |  |
  202 | 2 (1) | 7 (5) | 2 (2) | 5 (3) |  |
  203 | 0 (0) | 1 (1) | 1 (1) | 0 |  |
 3 | 5 (3) | 1 (1) | 14 (11) | 10 (6) |  |
 4 | 0 (0) | 0 | 1 (1) | 0 |  |