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Table 3 The pooled estimate of prevalence of depression in active duty and veteran military

From: The global prevalence of depression, suicide ideation, and attempts in the military forces: a systematic review and Meta-analysis of cross sectional studies

Categories

No. of Studies (Sample Size)

Pooled Prevalence (% 95 CI)

Between studies heterogeneity

assessment (%)

Between subgroups

heterogeneity assessment (%)

I2

PHeterogenity

Z

Q

PHeterogenity

The prevalence of depression in active duty military

 Total

100 (1278837)

23% (20–26%)

87.91%

0.018

27.74

–

–

Sampling Method

 Convinces Sampling

67 (939796)

21% (18–25%)

66.90%

0.030

20.25

9.33

0.001

 Random Sampling

33 (339041)

26% (19–32%)

54.80%

0.050

13.11

  

Type of Forces

 Air Forces

5 (4562)

20% (9–33%)

83.93%

0.040

5.59

8.98

0.001

 Armed Forces

36 (995073)

22% (20–23%)

89.45%

0.034

20.05

  

 Marine Forces

6 (775778)

31% (16–48%)

90.86%

0.0001

6.22

  

 Military Forces

53 (201624)

22% (16–28%)

79.89%

0.005

12.41

  

 Population Healthy Forces

90 (1152451)

22% (20–25%)

99.87%

0.0001

18.28

10.03

0.001

 Forces with HIV/AIDS

3 (113620)

15% (3–36%)

–

–

3.16

  

 Forces with Alcohol Use

5 (8303)

29% (13–47%)

99.96%

0.0001

5.70

  

 Forces with Substance Use

2 (4463)

37%(36–39%)

–

–

18.04

  

Gender

 Total

71 (1163273)

22% (20–25%)

90.88%

0.0001

20.19

10.01

0.001

 Male

20 (110847)

23% (12–37%)

91.83%

0.0001

6.45

  

 Female

9 (4717)

25% (13–40%)

89.99%

0.012

6.15

  

Tools

 BDI Scale

9 (38888)

25% (15–36%)

65.75%

0.054

5.88

5.09

0.001

 CES-D Scale

7 (15365)

13% (8–19%)

50.20%

0.130

4.05

  

 Interviews

13 (16980)

25% (17–35%)

67.38%

0.060

10.22

  

 DSM-IV Scale

36 (202430)

15% (11–19%)

60.07%

0.078

12.41

  

 BSI Scale

1 (236)

56% (49–60%)

–

–

–

  

 HAMD Scale

1 (197)

47% (40–54%)

–

–

–

  

 HADS Scale

1 (6943)

10% (9–11%)

–

–

–

  

 PHQ Scale

24 (692087)

15% (13–17%)

78.62%

0.059

9.32

  

 SDS Scale

5 (304767)

20% (14–26%)

72.99%

0.059

9.03

  

Country

 Canada

10 (318747)

21% (16–26%)

49.46%

0.760

4.99

  

 Korea

2 (430)

20% (16–24%)

0.0%

0.782

1.49

  

 Thailand

2 (2272)

39% (37–41%)

0.0%

0.800

0.98

17.74

0.001

 United Kingdom

6 (2034)

32% (10–59%)

54.32%

0.763

4.05

  

 USA

66 (929016)

21% (17–25%)

78.96%

0.050

13.54

  

 Greece

3 (6845)

20% (1–52%)

0.0%

0.980

2.43

  

The prevalence of depression in veteran military

 Total

80 (887982)

20% (18–22%)

79.80%

0.032

31.46

–

–

Sampling Method

 Convinces Sampling

55 (565979)

19% (16–21%)

69.78%

0.049

17.25

2.12

0.150

 Random Sampling

25 (322003)

22% (18–27%)

58.26%

0.054

10.02

  

Type of Forces

 Air Forces

NR

–

–

–

–

  

 Armed Forces

68 (583048)

19% (17–22%)

76.97%

0.054

16.88

1.27

0.260

 Marine Forces

NR

–

–

–

–

  

 Military Forces

12 (304934)

24% (16–33%)

64.66%

0.034

9.83

  

Population

 Healthy Forces

64 (856091)

19% (17–22%)

99.09%

0.0001

18.28

28.40

0.001

 Forces with HIV/AIDS

2 (1257)

16% (14–18%)

91.33%

0.0001

22.32

  

 Forces with Alcohol Use

4 (1780)

29% (21–37%)

98.44%

0.0001

11.92

  

 Forces with Substance Use

4 (4397)

10%(6–14%)

74.50%

0.0001

8.68

  

 Forces with HCV

6 (24457)

29% (17–43%)

88.93

0.001

7.36

  

Gender

 Total

55 (237654)

20% (17–23%)

90.88%

0.0001

22.36

0.12

0.873

 Male

15 (343584)

21% (13–31%)

91.91%

0.0001

7.75

  

 Female

10 (306744)

20% (14–26%)

88.49%

0.0001

11.40

  

Tools

 BDI Scale

7 (415692)

14% (9–21%)

55.15%

0.060

7.97

  

 CES-D Scale

11 (318802)

18% (13–25%)

40.45%

0.761

10.80

  

 Interviews

13 (50675)

20% (11–31%)

60.22%

0.181

6.74

  

 DSM-IV Scale

11 (64263)

15% (9–22%)

78.99%

0.028

7.54

  

 PHQ Scale

29 (28445)

21% (17–25%)

78.48%

0.049

17.52

  

 SDS Scale

2 (1300)

47% (44–50%)

52.04%

0.059

9.14

  

 GDS Scale

1 (1032)

37% (34–40%)

 

–

20.91

  

 MHI Scale

4 (3649)

35% (15–59%)

−50.74%

0.601

4.91

  

 QIDS Scale

1 (1002)

21% (18–24%)

–

–

19.13

  

 HDRS Scale

1 (3122)

7% (6–8%)

–

–

18.28

22.16

0.001

Country

 Canada

2 (2365)

13% (10–15%)

0.0%

0.880

3.85

  

 Croatia

2 (118669)

4% (6–8%)

0.0%

0.893

4.91

31.46

0.001

 USA

70 (733009)

20% (18–22%)

67.84%

0.049

29.94

  
  1. Beck Depression Inventory (BDI), Center for Epidemiological Studies Depression (CES-D), Clinical Symptoms (Interviews), Diagnostic and Statistical Manual of Mental Disorders-IV (DSM-IV), The Brief Symptom Inventory (BSI), The Hamilton Depression Rating Scale (HAMD), The Hospital Anxiety and Depression Scale (HADS), The Patient Health Questionnaire (PHQ), The Zung Self-Report Depression Scale (SDS), Geriatric Depression Scale (GDS), Mental Health Inventory (MHI), Quick Inventory of Depressive Symptomatology (QIDS), Hamilton Depression Rating Scale (HDRS)-24 item