Table 1 Demographic data, self-rated general health and health-related quality of life at baseline^a

Mean

SD

Age (years)

23.6

4.3

Body weight (kg)

83.1

10.1

Body height (m)

1.83

0.06

Body mass index (kg/m²)

24.9

2.4

%

95 % CI

  No

90.1

84.7–93.9

  Occasionally

9.8

6.1–15.4

  Yes

0

Non musculoskeletal co-morbidity^b

4.3

2.1–8.6

  Good

95.6

91.3–97.9

  Less than good

4.4

2.1–8.8

Mean

SD

  Physical component summary^c

54.4

4.6

  Mental component summary^c

53.0

6.0

%

95 % CI

  Infantry (Assault)

65.6

58.1–72.5

  Ranger

17.8

12.7–24.4

  CBC-Crew^d

16.6

11.6–23.0

  Officer

22.1

16.4–29.1

  Soldier

77.9

70.9–83.6