Table 1.
Demographic data by training group
| Variable | Infantry (n = 42,506) | Armor (n = 20,781) | Intelligence (n = 10,353) | Total (n = 73,640) | p value |
|---|---|---|---|---|---|
| Age, years | 18.9 (1.1) A |
18.8 (1.1) B |
19.1 (1.4) C |
18.9 (1.1) | <0.0001 |
| Height, cm | 171.8 (20.9) A |
173.4 (14.5) B |
174.7 (11) C |
172.7 (18.2) | <0.0001 |
| Weight, kg | 66.8 (14.6) A |
68.2 (14.4) B |
67.5 (13.3) C |
67.3 (14.4) | <0.0001 |
| BMI | 21.5 (4.4) B |
21.9 (4.3) A |
21.5 (3.9) B |
21.6 (4.3) | <0.0001 |
| Psychotechnical grading | 53.5 (18.5) A |
58.1 (18.4) B |
72.2 (14.7) C |
57.4 (19) | <0.0001 |
| Socioeconomic status | 5.7 (1.7) A |
6.1 (1.6) B |
6.5 (1.7) C |
5.9 (1.7) | <0.0001 |
Armor includes artillery. Results are expressed as means (standard deviation). Psychotechnical grading 10–90. Socioeconomic status by area of residence graded 1–10. p by analysis of variance. Groups are not statistically different at the 0.05 level if the same letter appears under both values.