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

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)


a US data from Milliken et al (2007)

b Mean age; percentage for all other variables

c UK data weighted to take account of sampling weights

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

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

f In the UK study, the PC-PTSD screen was only asked for those individuals who endorsed a criterion A event

Iversen et al. BMC Psychiatry 2009 9:68   doi:10.1186/1471-244X-9-68

Open Data