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Table 1 Prevalence of involvement in health risk behaviours and previous year suicidal thoughts and plans among the study sample

From: Poly-victimisation and health risk behaviours, symptoms of mental health problems and suicidal thoughts and plans among adolescents in Vietnam

Variables

Female (N = 729)a

Male (N = 870)a

Total sampleb

n

% (95 % CI)

n

% (95 % CI)

n

% (95 % CI)

Involvement in health risk behaviours

Ever smoked cigarette** (N = 1.599)

101

13.9 (11.4; 16.4)

394

45.5 (42.2; 48.8)

498

31.1 (28.9; 33.4)

Ever drink alcohol** (N = 1.602)

430

59.1 (55.5; 62.6)

680

78.4 (75.7; 81.2)

1115

69.6 (67.3; 71.9)

Ever used drugs* (N = 1.602)

6

0.8 (0.2; 1.5)

25

2.9 (1.8; 4.0)

31

1.9 (1.3; 2.6)

Physical fighting in last 12 months** (N = 1.602)

92

12.6 (10.2; 15.1)

209

24.1 (21.2; 26.9)

302

18.9 (16.9; 20.8)

Carrying a weapon in last 30 days** (N = 1.599)

17

2.3 (1.2; 3.5)

64

7.4 (5.6; 9.1)

81

5.1 (4.0; 6.1)

Having had two or more sexual partners* (N = 1.533)

22

3.2 (1.9; 4.5)

50

5.9 (4.3; 7.5)

72

4.6 (3.6; 5.7)

Any health risk behaviours** (N = 1586)

451

63.2 (59.6; 66.7)

725

83.8 (81.4; 86.3)

1181

74.4 (72.3-76.6)

Suicidal thoughts and plans

Past year suicidal thought (N = 1.599)

156

21.4 (18.5; 24.5)

69

7.9 (6.2; 9.8)

225

14.1 (12.4–15.8)

Past year suicidal plan (N = 1.601)

57

7.8 (5.9; 9.8)

35

4.0 (2.7; 5.3)

92

5.7 (4.6–6.9)

Any suicidal ideas (thoughts or plans) in the previous year (N = 1599)

159

21.9 (18.9; 25.0)

74

8.5 (6.7; 10.4)

233

14.6 (12.8–16.3)

  1. CI Confidence interval
  2. * p < 0.05, ** p < 0.001 in Chi square tests for comparison between females and males
  3. aFor each row, the total N of females and males may due to missing data
  4. bTotal n of females and males may not add up to total sample n due to missing data about gender