Reliability of self-reported health risk factors and chronic conditions questions collected using the telephone in South Australia, Australia

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 retest^a		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.