Table 2

Demographic variables among the retest study participants and those who did not participated in retest study, 16 years and over, South Australia, Australia
Retest Participants Did not participated in retesta P value
n % n %
Sex 0.64
Male 65 42.2 159 40.1
Female 89 57.8 238 60.0
Age group 0.25
16 to 34 years 16 10.4 56 14.1
35 to 54 years 33 21.4 100 25.2
55 + years 105 68.2 241 60.7
Household income 0.34
Up to $20,000 40 26.0 74 18.6
$20,001 to $40,000 30 19.5 79 19.9
$40,001 to $60,000 15 9.7 57 14.4
$60,001 to $80,000 17 11.0 39 9.8
$80,001 or more 32 20.8 83 20.9
Not stated 20 13.0 65 16.4
Employment status 0.60
Full time employed 48 31.2 101 25.4
Part time employed 25 16.2 71 17.9
Unemployed 4 2.6 10 2.5
Economically inactive 77 50.0 215 54.2
Highest education level 0.36
Degree or higher 29 18.8 81 20.4
Trade/certificate/diploma 43 27.9 88 22.2
No schooling to secondary 82 53.3 228 57.4
Area of Residence 0.67
Metropolitan Adelaide 100 64.9 267 67.2
SA Country 54 35.1 130 32.8
154 100.0 397 100.0

NS = P > 0.005 using Chi Square.

a: Non-retest participants (16+ years) included participants who did not wish to be recontacted at initial interview, eligible participants but not selected for retest study, and eligible participants who were selected but did not complete retest inteview.

Dal Grande et al.

Dal Grande et al. BMC Medical Research Methodology 2012 12:108   doi:10.1186/1471-2288-12-108

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