Table 1.

Sociodemographic and clinical characteristics of study participants randomised to multimedia intervention or control delivery of study information and informed consent

Variable	Control (n=152)	Intervention (n=146)
Age (years)	63±8	63±7
Male, n (%)	76 (50)	70 (48)
Education, n (%)
High school	37 (24)	31 (21)
Certificate, diploma or apprenticeship	24 (16)	31 (21)
University degree or higher	81 (53)	76 (52)
Employment, n (%)
Employed	67 (44)	64 (44)
Retired	56 (37)	58 (37)
Other	18 (12)	13 (9)
Ethnicity, n (%)
White	131 (86)	131 (90)
Aboriginal or Torres Strait Islander	1 (1)	2 (1)
Asian	3 (1)	4 (2)
Other	3 (1)	1 (1)

Data are expressed as a percentage of the total sample size or mean±SD. Response rates varied from 135 to 152 for control and 133 to 146 for intervention.

No significant differences were observed between the groups.