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Table 4 Combat experiences and mental heath for Army personnel post deployment to Iraq by regular/reserve status, UK vs. US dataa, mean or percentageb, with 95% confidence intervalc

From: The prevalence of common mental disorders and PTSD in the UK military: using data from a clinical interview-based study

  UK data US data
  Regulars Reserves Active duty National Guard & Reserves
Age (years)d 36.9 (35.7-38.0) 30.4 (30.3-30.5)
Maled 90.4 (85.6-93.7) 90.8 (90.6-91.0)
Marriedd 60.0 (52.4-67.1) 58.2 (57.9-58.5)
Combat experiencese
Witnessed someone wounded or killed 55.9 (44.5-66.7) 42.5 (33.5-52.1) 53.6 (53.2-54.0) 53.9 (53.4-54.5)
Discharged weapon 20.8 (12.9-31.9) 10.8 (6.0-18.8) 25.2 (24.9-25.6) 24.1 (23.6-24.6)
Felt in danger of being killed 68.0 (55.8-78.2) 68.1 (57.7-76.9) 49.0 (48.6-49.4) 55.3 (54.8-55.9)
1 or more 76.2 (65.2-84.6) 71.5 (61.6-79.7) 66.5 (66.1-66.9) 69.6 (69.1-70.1)
PHQ-2 depression screen, number of positive responses
1 12.5 (6.7-22.3) 7.9 (4.5-13.6) 6.2 (6.0-6.4) 7.3 (7.1-7.6)
2 4.3 (1.9-9.7) 4.4 (1.7-11.0) 4.2 (4.0-4.3) 5.6 (5.4-5.9)
1 or more 16.8 (10.1-26.7) 12.3 (7.5-19.5) 10.3 (10.1-10.6) 13.0 (12.6-13.3)
Primary care - PTSD screenf, number of positive responses
1 15.9 (9.2-25.9) 19.1 (12.6-28.0) 12.3 (12.0-12.6) 14.8 (14.4-15.2)
2 8.0 (3.9-15.9) 2.8 (1.7-4.6) 7.7 (7.4-7.9) 10.2 (9.9-10.5)
3 3.5 (1.3-9.1) 3.0 (1.8-4.9) 4.9 (4.8-5.1) 7.0 (6.7-7.3)
4 2.5(0.7-9.1) 4.0 (1.7-9.4) 4.1 (4.0-4.3) 7.3 (7.0-7.6)
2 or more 14.1 (8.3-22.9) 9.7 (6.4-14.7) 16.7 (16.4-17.0) 24.5 (24.0-25.0)
3 or more 6.1 (2.7-12.9) 7.0 (4.0-11.8) 9.1 (8.8-9.3) 14.3 (14.0-14.7)
Suicidal ideation 0.5 (0.2-1.6) 1.4 (0.3-7.5) 0.6 (0.5-0.7) 1.5 (1.3-1.6)
Fair or poor overall health assessment 14.0 (8.5-22.2) 11.0 (7.5-16.1) 16.5 (16.2-16.8) 20.8 (20.3-21.2)
  1. a US data from Milliken et al (2007)
  2. b Mean age; percentage for all other variables
  3. c UK data weighted to take account of sampling weights
  4. d Demographic data are not separately available for those on active duty and those who are National Guard or reserves; data are shown are for US or UK personnel overall
  5. e Data on combat experiences colleted at phase 1 for the UK study (i.e. combat experiences data collected before health outcome measures). Combat and health outcome data from the US study collected at the same time
  6. f In the UK study, the PC-PTSD screen was only asked for those individuals who endorsed a criterion A event