Table 1

Summary of participants, sampling and recruitment

Participant groupN (approximate)Sampling and recruitment method
Year 7 Aboriginal and Torres Strait Islander adolescents8–12 per schoolConvenience sampling via school representative. Additional participants may be recruited via community events outside the school. Purposive sampling, as required, to include under-represented groups (eg, adolescents who did not receive vaccination)
Parents/caregivers of Year 7 Aboriginal and Torres Strait Islander adolescents
(parents/caregivers may not identify as Aboriginal and Torres Strait Islander in all cases)
8–12 per schoolConvenience sampling via school representative. Purposive sampling, as required, to include under-represented groups (eg, parents/caregivers who did not provide consent for vaccination)
Local key informants (eg, individuals from the school involved in HPV vaccination programme delivery or administering council)3–6 per schoolPurposive via principal and school representative, and via local council administering HPV vaccination delivery. Snowball sampling via participants
Immunisation programme partners (eg, individuals from the state health and education departments involved in HPV vaccination programme)3–6 in totalPurposive via Investigator networks, Consultation Network, local councils administering HPV vaccination and snowball sampling via participants
  • HPV, human papillomavirus.