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Table 1 Baseline characteristics of 1411 male conscripts by company.

From: Low physical fitness is a strong predictor of health problems among young men: a follow-up study of 1411 male conscripts

Variable

Anti-tank

Signal

Mortar

Engineer

Missing

P-value1

Number of conscripts

263

540

363

245

0 (0%)

-

Age, median, years (SD)

19

(0.79)

19

(1.18)

19

(0.78)

19

(0.93)

0 (0%)

0.422 2

Body mass index, median, kg/m2 (SD)

23.4

(3.95)

22.6

(3.81)

23.3

(4.17)

23.6

(3.99)

139 (10%)

0.003 2

Waist circumference, median, cm (SD)

87.0

(10.2)

84.9

(9.69)

85.6

(10.5)

87.0

(9.72)

101 (7%)

0.001 2

12-minute run test result, median, m (SD)

2310

(338)

2308

(341)

2500

(302)

2400

(303)

42 (3%)

< 0.001 2

Conscript's physical fitness index

(CPFI)4, median, points (SD)

15.05

(3.05)

14.75

(3.29)

17.00

(3.10)

15.50

(3.09)

46 (3%)

< 0.001 2

Hometown population ≥ 10,000 persons,%

59%

66%

59%

57%

24 (2%)

0.044 3

High level of education5,%

48%

38%

49%

35%

22 (2%)

< 0.001 3

High level of previous physical activity6,%

31%

24%

42%

36%

23 (2%)

< 0.001 3

Good self-assessed health7,%

57%

47%

61%

51%

22 (2%)

< 0.001 3

Chronic impairment or disability,%

17%

15%

16%

17%

27 (2%)

0.802 3

Regular medication, %

10%

13%

11%

8%

26 (2%)

0.220 3

Clear musculoskeletal symptoms8,%

28%

32%

26%

27%

23 (2%)

0.339 3

Previous or current regular smoker, %

43%

47%

44%

57%

26 (2%)

0.004 3

Use of alcohol ≥ 3 times per week, %

16%

19%

15%

20%

23 (2%)

0.318 3

  1. SD = standard deviation
  2. 1 P-value for difference between the companies.
  3. 2 P-value was calculated using a Kruskal-Wallis test for median difference.
  4. 3 P-value was calculated using χ2 statistics for difference.
  5. 4 CPFI = (12-min running test result (metres) + 100 × muscle fitness test points)/200, [Excellent (CPFI ≥ 21.00), Good (17.00 ≤ CPFI < 21.00), Fair (13.00 ≤ CPFI < 17.00), Poor (CPFI < 13.00)].
  6. 5 Graduated or studies in higher education institution.
  7. 6 Sweating exercise at least three times per week during the last month before entering the military.
  8. 7 Compared to age-mates.
  9. 8 Symptoms lasting more than 7 days in at least one anatomical region during the last month before entering the military.