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Table 2 Comparison of characteristics of 1st and 2nd informants between suicides and controls

From: How to integrate proxy data from two informants in life event assessment in psychological autopsy

groups

variables

Suicides (n = 392)

Controls (n = 416)

t

df

P

1st informant

Gender

  

28.92d

1

< 0.001

 Male

224 (57.1) a

159 (38.2) a

   

 Female

168 (42.9) a

257 (61.8) a

   

Age (yr)

49 (38, 57) b

36 (29, 46) b

10.77

800

< 0.001

Education (yr)

6 (4, 9) a

9 (6, 9) a

− 6.42b

806

< 0.001

Familiarity to the target

2.90(0.99) c

3.16(0.78) c

− 3.93

731

< 0.001

2nd informant

Gender

  

0.01

1

0.906

 Male

217 (55.4)

232 (55.8)

   

 Female

175 (44.6)

184 (44.2)

   

Age (yr)

43 (33, 52) b

31 (21, 41) b

6.36

806

< 0.001

Education (yr)

9 (6, 9) a

9 (7, 9) a

−3.65

801

< 0.001

Familiarity to the target

2.34(0.82) c

2.66(0.75) c

− 5.54

728

< 0.001

  1. aIt indicates n (proportion, %). b Median (1st, 3rd quartiles) was used
  2. cIt represents mean (SD). dχ2 test was employed