Table 3 Prevalence and distribution of cannabis use among school-going adolescents in Sierra Leone

Prevalence

94.9 [91.4,97.0]

5.1 [3.0, 8.6]

Age (years)

 ≤14 years

97.7 [94.4, 99.1]

2.3 [0.9, 5.6]

 ≥15 years

93.4 [88.4, 96.3]

6.6 [3.7, 11.6]

Grade

 Junior secondary school (JSS)

97.1 [95.1, 98.3]

2.9 [1.7, 4.9]

 Senior Secondary School (SSS)

89.7 [80.3, 94.9]

10.3 [5.1, 19.7]

Gender

 Female

96.3 [91.0, 98.5]

3.7 [1.5, 9.0]

 Male

93.6 [89.9, 96.0]

6.4 [4.0, 10.1]

Anxiety

 No

97.5 [95.4, 98.6]

2.5 [1.4, 4.6]

 Yes

93.3 [87.1, 96.7]

6.7 [3.3, 12.9]

Suicidal ideation

 No

95.5 [91.8, 97.6]

4.5 [2.4, 8.2]

 Yes

89.8 [80.8, 94.8]

10.2 [5.2, 19.2]

Suicidal plan

 No

95.7 [92.3, 97.6]

4.3 [2.4, 7.7]

 Yes

89.9 [80.8, 94.9]

10.1 [5.1, 19.2]

Suicidal attempt

 No

97.1 [95.4, 98.2]

2.9 [1.8, 4.6]

 Yes

76.7 [66.2, 84.7]

17.9 [8.4, 34.1]

Felt lonely

 No

97.0 [93.9, 98.6]

3.0 [1.4, 6.1]

 Yes

93.9 [88.8, 96.8]

6.1 [3.2, 11.2]

Close friends

 No

94.3 [85.2, 97.9]

5.7 [2.1, 14.8]

 Yes

94.9 [91.6, 97.0]

5.1 [3.0, 8.4]

Alcohol use

 No

96.9 [92.3, 98.8]

3.1 [1.2, 7.7]

 Yes

79.9 [65.1, 89.4]

20.1 [10.6, 34.9]

Amphetamine use

 No

97.3 [93.3, 99.0]

2.7 [1.0, 6.7]

 Yes

59.0 [42.7, 73.5]

41.0 [26.5, 57.3]

Bullied

 No

97.9 [96.1, 98.9]

2.1 [1.1, 3.9]

 Yes

91.8 [85.5, 95.5]

8.2 [4.5, 14.5]

Sexual risk behaviour

 No

98.3 [97.6, 98.9]

1.7 [1.1, 2.4]

 Yes

86.6 [78.0, 92.1]

13.4 [7.9, 22.0]

Peer support

 No

94.8 [89.5, 97.5]

5.2 [2.5, 10.5]

 Yes

94.9 [90.6, 97.3]

5.1 [2.7, 9.4]

School truancy

 No

96.7 [90.4, 98.9]

3.3 [1.1, 9.6]

 Yes

90.9 [85.3, 94.5]

9.1 [5.5, 14.7]

Parental support

 No

93.4 [88.7, 96.2]

6.6 [3.8, 11.3]

 Yes

95.2 [90.4, 97.7]

4.8 [2.3, 9.6]