Do younger and older Australians use different forms of cannabis?

51% of Australians aged 14-17 years who used cannabis in the last 12 months used head, 65% used leaf, 7%* used cannabis resin, 4%** used cannabis oil, and 10%* used other forms of cannabis. 59% of Australians aged 18-24 years who used cannabis in the last 12 months used head, 57% used leaf, 12% used cannabis resin, 6% used cannabis oil, and 8% used other forms of cannabis. 69% of Australians aged 25-29 years who used cannabis in the last 12 months used head, 46% used leaf, 9% used cannabis resin, 3%* used cannabis oil, and 2%* used other forms of cannabis. 83% of Australians aged 30-39 years who used cannabis in the last 12 months used head, 39% used leaf, 11% used cannabis resin, 6% used cannabis oil, and 2%* used other forms of cannabis. 85% of Australians aged 40+ years who used cannabis in the last 12 months used head, 33% used leaf, 8% used cannabis resin, 4% used cannabis oil, and 2%* used other forms of cannabis. * Estimate has a relative standard error of 25% to 50% and should be used with caution. ** Estimate has a relative standard error greater than 50% and is considered too unreliable for general use.