Table 2

Comparison of study participants and the WA population by age group

Age group (years)StudyWA population*P value
<5147 (48.7)161 727 (31.9)p<0.001
5–987 (28.8)164 153 (32.4)
10–1452 (17.2)150 806 (29.8)
15†16 (5.3)29 934 (5.9)
Total302506 620
  • Values are n (%).

  • *WA population data from the 2016 Australian census.19

  • †Children aged 16 years and above were excluded from the study.

  • WA, Western Australia.