Table 6

Proportion of ‘at least weekly’ use of cannabis across each diagnostic category in N=2041 young (12–30 years) female and male patients

 Females (N=103/1096)Males (N=138/945)
Age% at least weeklyAge% at least weekly
Depression19.7±3.08.5 (40/471)20.2±3.414.3 (44/307)
Bipolar22.3±3.411.9 (13/109)20.9±2.615.4 (8/52)
Anxiety18.6±3.26.6 (14/211)21.0±2.57.3 (11/150)
Psychosis21.0±3.66.1 (3/49)22.1±3.917.5 (18/103)
Beh/Dev18.4±3.110.4 (7/67)17.3±2.412.1 (19/157)
Substance use19.0±2.961.5 (8/13)18.7±2.056.0 (14/25)
Personality19.2±3.716.7 (4/24)21.5±4.918.2 (2/11)
Eating disorder20.0±1.717.6 (3/17)nana
Autistic spectrumnana16.0±4.211.1 (2/18)
Other20.0±1.75.9 (3/51)19.7±3.711.5 (6/52)
Unclear18.1±2.210.0 (8/80)18.9±3.421.5 (14/65)
  • ‘Beh/Dev’, behavioural/developmental.