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Table 2 Descriptive analysis of the socio-economic characteristics of the sample

From: High-school students and self-injurious thoughts and behaviours: clues of emotion dysregulation

Socio-economic variables

Negatives

SA

SI

SH

SA + SI

SA + SH

SI + SH

SA + SI + SH

N (%)

N (%)

p

N (%)

p

N (%)

p

N (%)

p

N (%)

p

N (%)

p

N (%)

p

Sex

 Female

553 (52.6)

11 (73.3)

0.125

63 (67.7)

0.005

90 (55.6)

0.500

17 (85.0)

0.005

15 (71.4)

0.121

35 (64.8)

0.093

30 (69.8)

0.029

 Male

499 (47.4)

4 (26.7)

30 (32.3)

72 (44.4)

3 (15.0)

6 (28.6)

19 (35.2)

13 (30.2)

Type of High School

 Lyceum

425 (40.4)

5 (33.3)

 

41 (44.1)

 

44 (27.2)

 

8 (40.0)

 

7 (33.3)

 

33 (61.1)

 

22 (51.2)

 

 Technical / Arts institute

346 (32.9)

2 (13.3)

0.469

31 (33.3)

0.805

61 (37.7)

0.012

2 (10.0)

0.199

8 (38.1)

0.604

9 (16.7)

0.004

10 (23.3)

0.148

 Professional

281 (26.7)

8 (53.3)

0.153

21 (22.6)

0.417

57 (35.2)

0.002

10 (50.0)

0.224

6 (28.6)

0.777

12 (22.2)

0.085

11 (25.6)

0.585

Class repetition

 Yes

223 (21.3)

4 (26.7)

0.539

21 (22.6)

0.792

46 (28.8)

0.041

4 (20)

1.000

6 (28.6)

0.422

12 (23.1)

0.731

13 (30.2)

0.185

 No

825 (78.7)

11 (73.3)

72 (77.4)

114 (71.3)

16 (80)

15 (71.4)

40 (76.9)

30 (69.8)

Place of birth

 Italy

962 (91.6)

12 (85.7)

0.335

83 (89.3)

0.438

138 (85.2)

0.013

18 (90)

0.682

18 (85.7)

0.414

45 (83.3)

0.047

38 (88.4)

0.404

 Abroad

88 (8.4)

2 (14.3)

10 (10.8)

24 (14.8)

2 (10)

3 (14.3)

9 (16.7)

5 (11.6)

Living with both parents

 Yes

869 (82.8)

12 (80.0)

0.732

71 (76.3)

0.120

128 (79.0)

0.268

12 (60.0)

0.015

16 (76.2)

0.388

38 (70.4)

0.027

27 (64.3)

0.006

 No

180 (17.2)

3 (20.0)

22 (23.7)

34 (21.0)

8 (40.0)

5 (23.8)

16 (29.6)

15 (35.7)

Broken home

 Yes

180 (17.3)

4 (26.7)

0.313

23 (25.0)

0.088

35 (21.9)

0.184

7 (36.8)

0.060

6 (28.6)

0.240

15 (27.8)

0.066

14 (34.2)

0.011

 No

858 (82.7)

11 (73.3)

69 (75.0)

125 (78.1)

12 (63.2)

15 (71.4)

39 (72.2)

27 (65.9)

Only child

 Yes

216 (21.2)

0 (0)

0.051

13 (14.9)

0.214

29 (18.0)

0.403

1 (5.0)

0.095

7 (35.0)

0.165

13 (24.5)

0.606

9 (22.0)

0.848

 No

803 (78.8)

14 (100)

74 (85.1)

132 (82.0)

19 (95.0)

13 (65.0)

40 (75.5)

32 (78.0)

Mother employed

 Yes

760 (73.4)

10 (71.4)

1.000

64 (69.6)

0.462

113 (70.6)

0.503

14 (70.0)

0.799

15 (71.4)

0.806

41 (77.4)

0.632

33 (76.7)

0.726

 No

276 (26.6)

4 (28.6)

28 (30.4)

47 (29.4)

6 (30.0)

6 (28.6)

12 (22.6)

10 (23.3)

Father employed

 Yes

925 (89.0)

12 (85.7)

0.661

74 (83.2)

0.116

131 (83.4)

0.046

15 (75.0)

0.064

19 (100)

0.252

46 (86.8)

0.652

33 (78.6)

0.046

 No

114 (11.0)

2 (14.3)

15 (16.9)

26 (16.6)

5 (25.0)

0 (0)

7 (13.2)

9 (21.4)

  1. p-values of differences between each group and the reference group (“Negatives”) (two-tailed Fisher exact test)