Text description: About the BNLA cohort

Recruited sample across states and territories in Australia

  • Northern Territory: 19
  • Queensland: 237
  • New South Wales: 947
  • Victoria: 734
  • Tasmania: 78
  • South Australia: 290
  • Western Australia: 94

Age distribution

  • Participant age ranged from 15 years to more than 80 years.

Culture and religion

  • Participants have diverse cultural and religious backgrounds and experiences. 

Countries of origin and languages spoken

Participants come from 35 different countries including:

  • Iraq 39%, Afghanistan 25%, Iran 12%

They speak more than 49 different languages including:

  • Arabic 22%, Assyrian 18%, Persian 13%

Data collection points and response rates

  • Wave 1: OCT 2013–MAR 2014
    Face-to-face interview
    n = 2,399
  • Wave 2: OCT 2014–FEB 2015
    Computer-assisted telephone interview
    87% response rate
    n = 2,099
  • Wave 3: OCT 2015–FEB 2016
    Face-to-face interview
    79% response rate
    n = 1,894
  • Wave 4: OCT 2016–FEB 2017
    Computer-assisted telephone interview
    80% response rate
    n = 1,929
  • Wave 5: OCT 2017–MAR 2018
    Face-to-face interview
    78% response rate
    n = 1,881

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