Skip to main content

Table 2 Results of intergroup comparison

From: The characteristics of the suicide attempter according to the onset time of the suicidal ideation

Factor

Entire population N = 2274

Time from development of suicidal ideation to suicide attempt

P value

Multiple comparison and residual analysis

Analytical method

Unknown N = 544

Same day N = 1358

Short-term (2–7 days) N = 492

Long-term (>7 days) N = 424

Male

 N

657

308

188

161

<.001

Shaded area

Chi-square

191

 %

28.9

22.7

38.2

38.0

35.1

Age

 Mean

36.73

34.68

38.36

41.43

<.001

Significant difference among 3 groups

Analysis of variance

40.53

 SD

16.29

15.11

16.62

18.27

17.46

Presentation to tertiary services

 N

1421

802

331

288

<.001

Shaded area

Chi-square

405

 %

62.5

59.1

67.3

67.9

74.4

First-time presentation

 N

1181

629

279

273

<.001

Shaded area

 

297

 %

51.9

46.3

56.7

64.4

54.6

Psychiatric diagnosis

 F0

  N

47

29

12

6

.533

  

17

  %

2.1

2.1

2.4

1.4

   

3.1

 F1

  N

68

49

9

10

.097

  

12

  %

3.0

3.6

1.8

2.4

   

2.2

 F2

  N

310

186

70

54

.802

  

71

  %

13.6

13.7

14.2

12.7

   

13.1

 F3

  N

837

400

210

227

<.001

Shaded area

 

235

  %

36.8

29.5

42.7

53.5

   

43.2

 F4

  N

696

470

132

94

<.001

Shaded area

 

110

  %

30.6

34.6

26.8

22.2

   

20.2

 F6

  N

199

145

39

15

<.001

Shaded area

 

33

  %

8.8

10.7

7.9

3.5

   

6.1

 Other

 N

117

79

20

18

.208

  

67

 %

5.1

5.8

4.1

4.2

   

12.3

Prior history of suicide attempt

 During the past year

  N

919

611

152

156

<.001

Shaded area

 

163

  %

40.4

45.0

30.9

36.8

   

30.0

 During lifetime

  N

1297

848

239

210

<.001

Shaded area

 

245

  %

57.0

62.4

48.6

49.5

   

45.0

No consultation prior to suicide attempt

 N

1453

942

297

214

<.001

Shaded area

  

 %

63.9

69.4

60.4

50.5

    

Currently receiving outpatient psychiatric treatment

 N

1411

907

273

231

<.001

Shaded area

  

 %

62.0

66.8

55.5

54.5

    

Means of suicide attempt

 Drug

  N

1221

796

260

165

<.001

Shaded area

 

276

  %

53.7

58.6

52.8

38.9

   

50.7

 Poisoning

  N

137

65

34

38

.004

Shaded area

 

32

  %

6.0

4.8

6.9

9.0

   

5.9

 Inhaling gas

  N

77

27

26

24

<.001

Shaded area

 

34

  %

3.4

2.0

5.3

5.7

   

6.2

 Jumping from a tall building

  N

90

49

16

25

.072

  

32

  %

4.0

3.6

3.3

5.9

   

5.9

 Jumping in front of a train

  N

9

6

1

2

.742

  

1

  %

.4

.4

.2

.5

   

.2

 Knife

  N

399

233

82

84

.385

  

61

  %

17.5

17.2

16.7

19.8

   

11.2

 Self-burning

 N

22

10

7

5

.364

  

19

 %

1.0

.7

1.4

1.2

   

3.5

 Drowning oneself

  N

29

16

4

9

.187

  

5

  %

1.3

1.2

.8

2.1

   

.9

 Hanging

  N

104

49

19

36

<.001

Shaded area

 

46

  %

4.6

3.6

3.9

8.5

   

8.5

 Combination

  N

154

88

38

28

.635

  

28

  %

6.8

6.5

7.7

6.6

   

5.1

 Other

  N

18

10

4

4

.914

  

2

%

.8

.7

.8

.9

   

.4

Motives for suicide

 Family problem

  N

502

336

102

64

<.001

Shaded area

 

108

  %

22.1

24.7

20.7

15.1

   

19.9

 Economic difficulties

  N

119

47

40

32

<.001

Shaded area

 

24

  %

5.2

3.5

8.1

7.5

   

4.4

 Pain of sickness

  N

243

112

60

71

<.001

Shaded area

 

69

  %

10.7

8.2

12.2

16.7

   

12.7

 Hallucinations/Delusion

  N

157

82

37

38

.097

  

17

  %

6.9

6.0

7.5

9.0

   

3.1

 Work problem

  N

194

98

54

42

.020

Shaded area

 

34

  %

8.5

7.2

11.0

9.9

   

6.2

 Inter-personal relationship

  N

391

257

87

47

.001

Shaded area

 

60

  %

17.2

18.9

17.7

11.1

   

11.0

 School problem

  N

24

15

3

6

.474

  

2

  %

1.1

1.1

.6

1.4

   

.4

 Other

  N

84

64

13

7

.005

Shaded area

 

12

  %

3.7

4.7

2.6

1.7

   

2.2

 Combination

  N

431

247

86

98

.050

  

97

  %

19.0

18.2

17.5

23.1

   

17.8

 Unknown

  N

129

100

10

19

<.001

Shaded area

 

121

  %

5.7

7.4

2.0

4.5

   

12.2

Living with someone

 N

1826

1073

400

353

.154

  

420

 %

80.3

79.0

81.3

83.3

   

77.2

Years of schooling

 Mean

11.70

11.69

11.78

11.64

.663

 

Analysis of variance

11.63

 SD

2.35

2.19

2.39

2.75

  

2.25

Being at work

 N

786

458

177

151

.110

  

163

 %

34.6

33.7

36.0

35.6

   

30.0

JCS

 Mean

211.41

196.85

228.89

236.80

.104

 

Kruskal–Wallis

103.85

 SD

373.87

362.48

386.16

392.83

  

128.43

AD (Asukai classification)

 N

313

129

79

105

<.001

Shaded area

Chi-square

120

 %

13.8

9.5

16.1

24.8

  

22.1

BPRS

 Mean

18.60

17.84

19.10

20.52

<.001

Significant difference between the same-day group and the other groups

Analysis of variance

12.36

 SD

11.59

11.44

10.96

12.56

  

9.80

GAS

 Mean

34.74

37.16

32.99

29.08

<.001

Significant difference among 3 groups

 

24.81

 SD

19.26

19.80

17.77

17.78

   

18.55

LCU

 Mean

41.70

31.852

29.225

39.378

<.001

Significant difference among 3 groups

Kruskal–Wallis

52.84

 SD

33.40

.981

1.476

2.056

  

37.24

Outcome

 Discharged home

  N

670

471

101

98

<.001

Shaded area

 

114

  %

30.2

35.3

21.0

24.3

  

22.2

 Admitted to emergency care center

  N

592

322

147

123

.004

Shaded area

Chi-square

153

  %

26.7

24.1

30.6

30.4

  

29.8

 Admitted to psychiatric department

  N

937

532

225

180

.016

Shaded area

 

230

  %

42.2

39.9

46.9

44.6

   

44.8

 Suicide

  N

36

16

6

14

.007

Shaded area

 

52

  %

1.6

1.2

1.2

3.3

   

9.6

Back to article page

Annals of General Psychiatry

ISSN: 1744-859X