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Table 1 Sex, age groups, estimated workload in previous occupation before entering preparation training presented as percentage (%) and body mass index (BMI, kg/m2) presented as mean, standard deviation (SD) for soldiers in Cohort 2002 and Cohort 2012 and significant differences between cohorts. Significant value p < 0.05

From: Remarkable increase of musculoskeletal disorders among soldiers preparing for international missions – comparison between 2002 and 2012

  Cohort
2002 2012 p-value
Sex
 Male % 94 91 0.063
 Female % 6 9
Age group (years)
 20–30 % 82 67 < 0.001
 31–40 % 14 19
 41- % 4 14
BMI
  Mean (SD) 24.6 (2.9) 25.0 (2.3) 0.013
Estimated workload pervious occupation
 Light/easy % 73 46 < 0.001
 Hard/heavy % 27 54