Communication-based interventions for increasing influenza vaccination rates among Aboriginal children: A randomised controlled trial.

摘要: BACKGROUND In Australia, the influenza vaccine is funded for Aboriginal and Torres Strait Islander (hereafter referred to as Aboriginal) children aged 6 months <5 years old. Victoria, only 2% of are vaccinated against influenza. OBJECTIVE To evaluate whether sending a letter or pamphlet directly parents/guardians would improve uptake amongst identified children. DESIGN The study involved multi-arm, parallel, randomised controlled trial with two intervention groups one control group. PARTICIPANTS & SETTING Participants included parents guardians Victorian (aged <5 years) who Aboriginal. Households (n = 5534) were (using random number generator) receive either personalised (n = 1845), no direct communication (control) (n = 1844). designed using INSPIRE framework - set behaviour change techniques action-oriented communication. MAIN OUTCOME MEASURE proportion households where all eligible received between 2 May 2017 1 September 2017. RESULTS group's vaccination rate was 4.4%, higher than previous years. group achieved similar (4.5%). 5.9% significantly [χ2 (1, n = 3689) = 4.33, p = .037]. CONCLUSIONS Sending an effective strategy increasing among ineffectiveness may be due lack personalisation authority associated letter. Additional research required understand participant responses material. TRIAL REGISTRATION This retrospectively registered Australian New Zealand Clinical Trials Registry (ANZCTR) on 13 (ACTRN12617001315303).