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Table 2 Weighted prevalence of suicidal ideation and attempt by different subgroups

From: Relationship of being threatened or injured with a weapon in school with suicidal ideation and attempt among school students: a school-based study in Zhejiang Province, China

Characteristics

Suicidal ideation

Suicidal attempt

Prevalence (95%CI)a

x2b

P value

Prevalence (95%CI)a

x2b

P value

Age range (years)

 

16.8

0.0002

 

29.4

<.0001

 ≤ 13

15.9 (14.4–17.4)

  

4.1 (3.5–4.8)

  

 14–15

17.9 (16.7–19.1)

  

4.4 (3.9–4.9)

  

 ≥ 16

14.8 (13.7–15.9)

  

2.8 (2.3–3.2)

  

Sex

 

88.2

<.0001

 

45.5

<.0001

 Boys

13.3 (12.3–14.2)

  

2.9 (2.5–3.2)

  

 Girls

19.1 (18.1–20.2)

  

4.4 (3.9–4.9)

  

Area

 

0.6

0.43

 

0.45

0.50

 Urban

16.5 (15.3–17.8)

  

3.5 (3.0–3.9)

  

 Rural

15.9 (14.9–16.9)

  

3.7 (3.2–4.2)

  

Types of school

 

10.7

0.0048

 

27.2

<.0001

 Middle school

16.9 (15.8–18.0)

  

4.4 (3.9–4.9)

  

 Academic high school

16.6 (15.3–17.9)

  

2.4 (1.9–2.8)

  

 Vocational high school

13.7 (11.9–15.5)

  

3.3 (2.6–4.1)

  
  1. aBased on the weighted data. b: Rao-Scott Chi-Square, CI Confidence Interval
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