Table 2 Past month substance use behaviour by socio-demographic characteristics

Gender

  Female

142

10.1 (8.3-12.0)

186

13.4 (11.0-15.7)

233

17.4 (14.9-19.9)

  Male

148

10.1 (8.3-11.8)

149

9.5 (7.8-11.2)

239

16.2 (13.8-18.6)

Ethnicity

  Māori

153

23.0 (18.7-27.4)

147

21.7 (17.8-25.6)

198

31.3 (27.0-35.6)

  Non-Māori

137

6.3 (5.1-7.6)

188

8.4 (6.9-9.8)

274

12.6 (10.7-14.5)

School decile status

  Low

152

17.6 (13.7-21.5)

166

18.5 (14.6-22.4)

207

24.9 (20.8-29.0)

  Mid

74

7.9 (5.9-9.9)

87

9.1 (6.5-11.7)

145

16.4 (12.8-20.1)

  High

64

5.8 (4.2-7.4)

82

7.4 (5.6-9.2)

120

10.6 (8.3-13.0)

Past week income

  More than $30

104

17.3 (13.9-20.7)

106

17.3 (13.7-20.8)

166

28.3 (24.1-32.5)

  $16 to $30

93

12.0 (9.6-14.4)

106

13.4 (11.0-15.9)

146

19.8 (16.7-23.0)

  $1 to $15

45

5.7 (4.1-7.4)

65

8.0 (5.9-10.1)

77

9.6 (7.4-11.9)

  None

45

6.7 (5.0-8.5)

56

8.2 (6.3-10.1)

79

11.9 (9.4-14.3)

Social connectedness

  Low

115

15.4 (12.3-18.4)

130

17.1 (14.0-20.1)

168

22.4 (19.2-25.5)

  Medium

80

8.0 (6.0-10.0)

91

8.8 (6.7-10.9)

158

15.9 (13.0-18.8)

  High

70

6.9 (5.0-8.8)

86

8.4 (6.5-10.3)

117

12.4 (9.9-14.9)

Parental monitoring of expenditure

  Disagree or don’t know

163

20.9 (17.6-24.2)

177

22.6 (19.1-26.0)

215

28.1 (24.6-31.7)

  Agree

121

5.8 (4.7-6.9)

151

7.0 (5.7-8.3)

252

12.4 (10.6-14.2)

Parental monitoring of whereabouts

  Disagree or don’t know

119

22.3 (18.2-26.4)

147

27.0 (22.7-31.4)

170

32.9 (28.7-37.1)

  Agree

166

7.1 (5.9-8.4)

182

7.6 (6.3-8.9)

299

13.0 (11.3-14.7)

Parental rule enforcement

  Disagree or don’t know

108

15.8 (12.2-19.3)

113

16.0 (12.7-19.2)

176

25.2 (21.9-28.5)

  Agree

177

8.1 (6.8-9.4)

215

9.8 (8.2-11.3)

293

14.0 (12.1-15.9)