Table 4 Reported frequency of engagement in substance use and other behaviours over previous three months

Tobacco use

Daily

Monthly

71

225

−3.19

.001^*

Alcohol use

Monthly

Once or twice

120

1341

−1.81

.071

Cannabis use

Weekly

Monthly

75

341

−2.34

.016^*

Cocaine use

Monthly

Never

12

3.5

−2.39

.018^*a

Amphetamines use

Once or twice

Never

29

38.5

−2.90

.005^*a

Inhalants use

Once or twice

Never

2

0

−1

1.00^a

Sedatives use

Once or twice

Never

9

2.5

−.64

.667^a

Hallucinogens use

Once or twice

Once or twice

13

10.5

−.88

.469^a

Opioids use

Weekly

Once or twice

9

1.5

−1.02

.444^a

Self-harmed

Never

Once or twice

119

1755

.37

.711

Unsafe situations

Once or twice

Once or twice

61

416

−.60

.549