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Table 4 The pooled estimate of prevalence of suicide 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 suicide thought in military

 Military Statue

  Active Duty

31 (424253)

10% (7–13%)

67.55%

0.402

12.55

2.24

0.130

  Veteran

18 (335121)

14% (10–20%)

69.77%

0.329

9.59

  

 Sampling Method

  Convinces Sampling

40 (151199)

12% (10–15%)

57.23%

0.170

20.37

15.76

0.001

  Random Sampling

9 (608175)

7% (6–9%)

74.31%

0.059

17.83

  

 Type of Forces

  Air Forces

2 (441)

19% (15–22%)

78.99%

0.041

17.36

30.05

0.001

  Armed Forces

23 (434677)

8% (5–11%)

88.68%

0.025

9.57

  

  Marine Forces

2 (295715)

1% (1–2%)

93.86%

0.0001

10.98

  

  Military Forces

22 (28982)

16% (12–21%)

77.83%

0.041

13.22

  

  Population Healthy Forces

42 (757597)

11% (9–13%)

99.80%

0.0001

20.07

1.74

0.420

  Forces with HIV/AIDS

–

–

 

–

–

  

  Forces with Alcohol Use

1 (93)

9% (4–13%)

–

–

4.45

  

  Forces with Substance Use

6 (1684)

18%(7–33%)

97.74%

0.0001

4.91

  

 Gender

  Total

44 (756218)

11% (9–13%)

88.72%

0.0001

20.10

12.30

0.001

  Male

2 (1532)

14% (12–16%)

90.00%

0.0001

10.94

  

  Female

3 (1624)

20% (14–27%)

75.22%

0.017

28.78

  

 Tools

  BSSI-C Scale

5 (12775)

11% (7–16%)

67.96%

0.052

8.98

24.84

0.001

  SCRENNER Scale

1 (669)

8% (6–10%)

–

–

13.54

  

  SCID DSM-IV Scale

16 (375640)

7% (5–10%)

69.80%

0.049

10.23

  

  MPSI Scale

2 (1225)

39% (36–41%)

55.21%

0.077

15.52

  

  PHQ Scale

15 (324540)

9% (6–13%)

53.01%

0.850

9.61

  

  SITBI Scale

2 (443)

36% (32–41%)

44.34%

0.501

13.35

  

  SBQ-R Scale

7 (5845)

16% (14–18%)

77.69%

0.053

12.25

  

  C-SSRS Scale

1 (38237)

14% (12–18%)

–

–

14.98

  

 Country

  USA

42 (707764)

12% (10–14%)

79.90%

0.001

19.65

21.35

0.001

  Canada

6 (49560)

7% (6–10%)

76.92%

0.001

14.19

  

The prevalence of suicide attempted in military

 Military Statue

  Active Duty

19 (98426)

8% (6–10%)

50.18%

0.497

12.14

10.13

0.001

  Veteran

23 (340464)

15% (11–19%)

69.80%

0.122

12.59

  

 Sampling Method

  Convinces Sampling

35 (133437)

11% (9–13%)

77.78%

0.059

16.11

0.30

0.660

  Random Sampling

7 (305453)

13% (7–20%)

64.26%

0.051

6.47

  

 Type of Forces

  Air Forces

4 (4851)

13% (1–35%)

79.99%

0.047

2.54

  

  Armed Forces

23 (121644)

12% (9–15%)

76.44%

0.044

14.50

1.27

0.260

  Marine Forces

1 (100)

54% (44–64%)

–

–

15.54

  

  Military Forces

14 (312295)

8% (4–12%)

74.77%

0.034

6.82

  

 Population

  Healthy Forces

35 (435640)

9% (8–11%)

99.09%

0.0001

18.52

84.99

0.001

  Forces with HIV/AIDS

1 (442)

5% (4–8%)

–

–

19.33

  

  Forces with Alcohol Use

1 (1210)

8% (7–10%)

–

–

14.59

  

  Forces with Substance Use

5 (1598)

30%(23–36%)

87.44%

0.0001

8.99

  

  Forces with HCV

–

–

–

–

–

  

 Gender

  Total

37 (429113)

11% (9–13%)

92.88%

0.0001

9.04

9.56

0.001

  Male

2 (4533)

3% (2–4%)

95.91%

0.0001

2.49

  

  Female

3 (5244)

21% (1–53%)

98.49%

0.0001

10.75

  

 Tools

  BSSI-C Scale

6 (9800)

15% (10–22%)

66.33%

0.050

9.04

35.33

0.001

  Checklist

6 (6882)

11% (5–20%)

78.31%

0.049

5.25

  

  SCID DSM-IV Scale

12 (373059)

5% (3–7%)

61.99%

0.041

11.15

  

  MPSI Scale

2 (1225)

36% (33–38%)

55.99%

0.055

43.39

  

  PHQ Scale

4 (4675)

9% (5–15%)

70.05%

0.039

6.54

  

  MINI-Plus Scale

2 (2417)

4% (4–5%)

60.44%

0.041

19.36

  

  SBQ-R Scale

3 (526)

11% (1–49%)

69.01%

0.050

1.42

  

  SITBI Scale

1 (374)

8% (5–11%)

–

–

10.00

  

  C-SSRS Scale

2 (38330)

1% (1–2%)

62.99%

0.034

32.48

  

  NR

3 (692)

22% (2–53%)

79.90%

0.045

2.76

  

 Country

  Australia

2 (2279)

2% (1–4%)

0.0%

0.777

12.13

  

  Canada

2 (37606)

1% (1–2%)

0.0%

0.832

25.28

  

  Korea

2 (2417)

4% (3–5%)

0.0%

0.489

19.36

19.75

0.001

  United Kingdom

3 (10492)

5% (2–8%)

0.0%

0.880

6.64

  

  USA

33 (386096)

14% (11–16%)

60.98%

0.066

16.97

  
  1. Beck Scale for Suicidal Ideation-Current (BSSI-C), Brief self-report questionnaire (SCRENNER), SCID DSM-IV Diagnoses, Multi-Problem Screening Inventory (MPSI), The 4-item Suicidal Behaviors Questionnaire-Short Form (SBQ-SF), The Patient Health Questionnaire(PHQ), The Self-Injurious Thoughts and Behaviors Interview (SITBI), The Suicidal Behaviors Questionnaire Revised (SBQ-R), The Columbia Suicidal Severity Rating Scale (C-SSRS), the Mini International Neuropsychiatric Interview Plus (MINI-Plus)