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Table 5 Previous suicide attempt or deliberate self-harm, and suicide risk

From: Suicidal risk factors and completed suicide: meta-analyses based on psychological autopsy studies

Author, published year (reference no.)

Country

No. of cases/controls

Age class, proportion of male (%)

Source of controls

Previous suicide attempt or deliberate self-harm

OR (95% CI)a

Appleby et al. 1999 [20]

UK

84/64

Young, 81

GP lists

Deliberate self-harm

31.67 (9.96–128)

Foster et al. 1999 [21]

Ireland

116/116

All, 79

GP lists (deceased)

Deliberate self-harm

13.97 (6.03–35.82)

Vijayakumar et al. 1999 [19]

India

100/100

All, 55

Community

Previous suicide attempt

5.17 (2.04–14.71)

Brent et al. 1999 [18]

US

140/131

Young, 77

Community

Previous suicide attempt

89.27 (14.60–3,613)

Cheng et al. 2000 [38]

Taiwan

113/226

All, 62

Community

Previous suicide attempt

6.50 (2.77–16.45)

Hawton et al. 2002 [34]c

UK

42/84

All, 0

Female nurses

Deliberate self-harm

102.50 (20.46–931)

Phillips et al. 2002 [35]

China

519/536

All, 63

Community (deceased)

Previous suicide attempt

36.22 (14.89–114)

Owens et al. 2003 [24]

UK

100/100

All, 67

GP lists

Deliberate self-harm

63.30 (10.00–2,588)

Gururaj et al. 2004 [26]

India

269/269

All, 64

Community

Previous suicide attempt

38.77 (6.37–1,581)

Chiu et al. 2004 [36]

Hong Kong

70/100

Old, 44

Community

Previous suicide attempt

39.60 (5.89–1,657)

Zonda et al. 2006 [31]

Hungary

100/100

All, 67

Community (deceased)

Previous suicide attempt

2.27 (1.05–5.04)

Summaryb

No. of populations

Total (both genders)

10

1,611/1,742

 

 

 

16.33 (7.51–35.52)

*P < 0.001

  1. GP general practitioner
  2. *P for heterogeneity (Cochran Q test)
  3. aCrude odds ratio and 95% confidence interval
  4. bBased on random effects model
  5. cWomen only