Table 1 Participant characteristics (n = 30)

Age (mean, range)

28 years (18–45 years)

Sex

 Male % (n) (%)

20 (n = 6)

 Female % (n)

80 (n = 24)

Education level % (n)

 High school

13 (n = 4)

 Bachelor’s degree or higher

37 (n = 11)

 Postgraduate degree

50 (n = 15)

Household income per annum % (n)

 <19,000 $AUD*

4 (n = 1)

 20,000 to < 49,0000 $AUD

10 (n = 3)

 50,000 to < 79,000 $AUD

13 (n = 4)

 >=80,000 $AUD

73 (n = 22)

Household status % (n)

 Households with children < 18 years of age

20 (n = 6)

 Households with no children < 18 years of age

80 (n = 24)