Table 3

Time trends and gender distribution in antipsychotic, benzodiazepine and ADHD medication dispensing prevalence (persons/10 000 population/month) in Australians aged 5–19 years

% Female, July 12 to June 13% Female, July 15 to June 16Monthly ave. July 12 to June 13Monthly ave. July 15 to June 16Rate of increase per month (95% CI)*% Change, 2012/2013 to 2015/2016
5–14 years
 Antipsychotics201913.9715.820.041 (0.016 to 0.067) 13
 Typical
 Atypical201913.3815.310.044 (0.02 to 0.068) 14
 Risperidone171711.8613.850.048 (0.029 to 0.067) 17
 Olanzapine
 Quetiapine
 Aripiprazole
 Benzodiazepines54461.721.65−0.0041 (−0.01 to 0.0021)−4
 Diazepam
 Temazepam
 ADHD medications1820106.59123.130.39 (0.23 to 0.55) 16
 Atomoxetine21206.015.86−0.0084 (−0.02 to 0.0038)−2
 Clonidine222412.9916.580.091 (0.071 to 0.11) 28
 Dexamfetamine15187.877.41−0.016 (−0.027 to −0.0044) −6
 Methylphenidate181988.1103.040.36 (0.21 to 0.5) 17
15–19 years
 Antipsychotics394030.8834.010.056 (0.0063 to 0.11) 10
 Typical
 Atypical394029.3132.520.06 (0.012 to 0.11) 11
 Risperidone192511.2713.770.073 (0.057 to 0.089) 22
 Olanzapine35455.154.74−0.017 (−0.033 to −0.00035) −8
 Quetiapine636110.239.70−0.033 (−0.064 to −0.0021) −5
 Aripiprazole
 Benzodiazepines606015.2414.42−0.036 (−0.082 to 0.011)−5
 Diazepam57567.588.210.012 (−0.016 to 0.04)8
 Temazepam61645.494.43−0.033 (−0.052 to −0.013) −19
 ADHD medications222370.7977.520.22 (0.11 to 0.33) 10
 Atomoxetine16284.344.24−0.0016 (−0.012 to 0.0085)−2
 Clonidine22257.969.460.046 (0.027 to 0.065) 19
 Dexamfetamine23238.886.32−0.067 (−0.082 to −0.052) −29
 Methylphenidate212253.5962.320.27 (0.17 to 0.37) 16
5–19 years
 Antipsychotics303019.7321.890.043 (0.011 to 0.075) 11
 Typical30321.010.93−0.0032 (−0.0061 to −0.00031) −8
 Atypical303018.8121.060.046 (0.015 to 0.077) 12
 Risperidone181911.6613.820.056 (0.043 to 0.07) 19
 Olanzapine35461.951.73−0.0082 (−0.014 to −0.002) −11
 Quetiapine61604.023.68−0.017 (−0.029 to −0.0046) −8
 Aripiprazole33371.061.540.013 (0.01 to 0.016) 45
 Benzodiazepines59576.335.92−0.017 (−0.036 to 0.0013)−6
 Diazepam58543.183.370.0023 (−0.009 to 0.013)6
 Temazepam59632.011.60−0.013 (−0.02 to −0.0056) −20
 ADHD medications192194.40107.900.34 (0.23 to 0.45) 14
 Atomoxetine20225.445.32−0.0058 (−0.015 to 0.003)−2
 Clonidine222411.2814.210.077 (0.062 to 0.092) 26
 Dexamfetamine18208.217.05−0.033 (−0.044 to −0.022) −14
 Methylphenidate192076.3589.440.34 (0.23 to 0.44) 17
  • Bolded % change figures indicate significant changes (judged by a 95% CI that does not cross zero).

  • *Based on regression line to account for monthly fluctuation.

  • †Data were not shown in medicines/classes where there were <30 persons in 10% sample on that class in at least 1 month examined.

  • ADHD, attention deficit hyperactivity disorder.