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Table 4 The incidence of bullying in the intervention study

From: A pilot intervention study on bullying prevention among junior high school students in Shantou, China

The incidence of bullying

Male

Female

Before intervention

n (%)

After intervention

n (%)

χ2

Before intervention

n (%)

After intervention

n (%)

χ2

Intervention group

 Peer victimization

52 (55.9)

48 (52.2)

0.260

45 (52.9)

40 (46.5)

0.707

  Physical victimization

14 (15.1)

13 (14.1)

0.032

1 (1.2)

3 (3.5)

1.000

  Social victimization

18 (19.4)

8 (8.7)

4.350*

15 (17.6)

20 (23.3)

0.826

  Verbal victimization

38 (40.9)

25 (27.2)

3.858*

27 (31.8)

19 (22.1)

2.034

  Property victimization

22 (23.7)

22 (23.9)

0.002

5 (5.9)

7 (8.1)

0.334

 Peer bullying

34 (36.6)

19 (20.7)

5.725*

15 (17.6)

9 (10.5)

1.828

  Physical bullying

5 (5.4)

4 (4.3)

0.106

0

1 (1.2)

P = 0.503

  Social bullying

11 (11.8)

2 (2.2)

6.598**

5 (5.9)

4 (4.7)

0.130

  Verbal bullying

25 (26.9)

14 (15.2)

3.782

8 (9.4)

4 (4.7)

1.485

  Property bullying

2 (2.2)

2 (2.2)

0

0

1 (1.2)

P = 0.503

 Cyber victimization

30 (32.3)

17 (18.5)

4.634*

19 (22.4)

6 (7.0)

8.097**

 Cyberbullying

8 (8.6)

3 (3.3)

2.359

5 (5.9)

1 (1.2)

2.812

Control group

 Peer victimization

11 (19.6)

9 (16.1)

0.243

18 (21.2)

19 (22.4)

0.035

  Physical victimization

1 (1.8)

2 (3.6)

0.343

0

0

  Social victimization

5 (8.9)

1 (1.8)

2.818

5 (5.9)

10 (11.8)

1.828

  Verbal victimization

7 (12.5)

4 (7.1)

0.907

11 (12.9)

13 (15.3)

0.194

  Property victimization

2 (3.6)

2 (3.6)

0

7 (8.2)

3 (3.5)

1.700

 Peer bullying

7 (12.5)

4 (7.1)

0.907

6 (7.1)

2 (2.4)

2.099

  Physical bullying

1 (1.8)

1 (1.8)

0

0

0

  Social bullying

0

0

0

0

  Verbal bullying

5 (8.9)

3 (5.4)

0.538

5 (5.9)

1 (1.2)

2.764

  Property bullying

0

0

0

1 (1.2)

P = 0.500

 Cyber victimization

9 (16.1)

4 (7.1)

2.176

19 (22.4)

15 (17.6)

0.588

 Cyberbullying

1 (1.8)

0

P = 0.500

4 (4.7)

3 (3.5)

0.149

  1. *: P<0.05, **: P<0.01, ***: P<0.001; The P values of the Fisher’s exact tests were reported in the table directly