Table 1 Participants’ demographic characteristics by treatment group

Male (%)

100

100

n/a

Mean age (SD)

33.26 (7.60)

37.32(8.23)

t(590) = -5.624; p < 0.001

 Single

51.69

43.49

X ²(1) = 4.16; P = 0.04

 Married, divorced, separated or widow

48.31

56.51

 Unemployed

23.56

33.33

X ²(2) = 11.46; P = 0.003

 Full-time

17.31

21.35

 Part-time (casual work)

59.14

45.32

Average legal monthly income (median and range)

3.00 million (0.80–15.00 million)

1.50 million (0–35.00 million)

U = 28,617; p < 0.001

  ≥High school

39.90

46.09

X ²(1) = 1.95; p = 0.16

  <High school (year 12)

60.10

53.91