Do younger and older Australians use different forms of cannabis?

Among Australians aged 14-17 years who used cannabis in the past 12 months, 49% used the head, 57% used the leaf, 8%** used cannabis resin, 2%** used cannabis oil, and 10%* used other forms of cannabis. Among Australians aged 18-24 years who used cannabis in the past 12 months, 54% used the head, 61% used the leaf, 9% used cannabis resin, 5%* used cannabis oil, and 6%* used other forms of cannabis. Among Australians aged 25-29 years who used cannabis in the past 12 months, 60% used the head, 56% used the leaf, 8%* used cannabis resin, 8% used cannabis oil, and 3%* used other forms of cannabis. Among Australians aged 30-39 years who used cannabis in the past 12 months, 76% used the head, 35% used the leaf, 10% used cannabis resin, 6%* used cannabis oil, and 5% used other forms of cannabis. Among Australians aged 40-49 years who used cannabis in the past 12 months, 83% used the head, 33% used the leaf, 8% used cannabis resin, 6%* used cannabis oil, and 2%* used other forms of cannabis. Among Australians aged 50-59 years who used cannabis in the past 12 months, 82% used the head, 30% used the leaf, 8% used cannabis resin, 7%* used cannabis oil, and 3%* used other forms of cannabis. Among Australians aged 60+ years who used cannabis in the past 12 months, 79% used the head, 35% used the leaf, 10%* used cannabis resin, 6%* used cannabis oil, and 3%* 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.