Table 2.

Comparison of socio-demographic characteristics of the sample with the Australian general population (n = 1201)

Characteristic	Sample number	%	Population valuea	p-value#
Age, mean (SD)	47.52 (17.68)		39.09
Min–max	18–91 years
Age (years)
18–24 years	124	10.32	12.05	0.6854
25–34 years	238	19.82	19.24,
35–44 years	209	17.4	17.10
45–54 years	202	16.82	16.28
55–64 years	179	14.9	14.88
65–74 years	146	12.16	11.57
75 + years	103	8.58	8.88
Gender
Male	587	48.88	49.3	0.9566
Female	608	50.62	50.7
Non-binary	5	0.42
Prefer not to say	1	0.08
State of residence
New South Wales	385	32.06	31.80	0.9746
Victoria	307	25.56	26.08
Queensland	245	20.4	20.12
South Australia	84	6.99	6.89
Western Australia	129	10.74	10.36
Australia Capital Territory	18	1.5	1.68
Tasmania	25	2.08	2.10
Northern Territory	8	0.67	0.96
Highest level of education, n (%)
Grade 10	160	13.32	15.4b	< 0.001
Grade 12	189	15.74	18.2
Certificate II–IV	215	17.9	17.8
Diploma	152	12.66	13.5c
Bachelor’s degree	356	29.64	19.8
Postgraduate degree (master’s/PhD)	114	9.49	8.5
Other	15	1.25	6.8d
Marital status*, n (%)
Single	361	30.06	35.03	< 0.001
Married/de facto	658	54.79	48.07
Divorced/widowed	158	13.16	13.7
Other	24	2.00	3.2
Current employment status, n (%)
Full-time employment	508	42.3
Part-time employment	222	18.48
Unemployed	134	11.16
Pension	107	8.91
Retired	230	19.15

The highest level of education (Education and Work, Australia, Australian Bureau of Statistics, May 2021 from https://www.abs.gov.au/)

^# The Chi-squared goodness-of-fit test was used to compare observed frequencies with population proportions

^aAustralian age and sex distribution (Australian Bureau of statistics, June 2020 from https://www.abs.gov.au/

^bAustralian population data for grade 10 and 11

^cAustralian population data for advanced/graduate diploma

^dAustralian population data for highest education level below grade 10