Table 1. Demographic and smoking characteristics of participants by pack condition.

	Original(n = 176)	Plain pack 1(n = 219)	Plain pack 2(n = 199)	Plain pack 3(n = 219)	p Value
Male (%)	38.6	38.4	35.2	40.2	0.765
Age (%)					0.206
18–29 years	18.2	17.4	24.6	17.8
30+ years	81.8	82.6	75.4	82.2
Education (%)					0.684
Year 11 or less	31.7	36.8	35.6	39.0
Year 12/some tertiary	50.6	42.0	45.2	43.0
Tertiary	17.7	21.2	19.1	18.0
Socioeconomic status (%)					0.409
SEIFA 1 (lowest advantage)	23.3	19.6	20.6	20.8
SEIFA 2	18.2	21.0	18.1	20.4
SEIFA 3	30.7	36.5	37.2	27.3
SEIFA 4 (highest advantage)	27.8	22.8	24.1	31.5
Consumption (%)					0.355
1–10 cigs/day	29.0	27.9	24.6	27.9
11–15 cigs/day	24.4	29.7	22.1	26.9
16–20 cigs/day	25.0	16.9	21.1	22.8
21–25 cigs/day	11.4	13.7	14.6	10.5
26 + cigs/day	10.2	11.9	17.6	11.9
Brand seen is brand smoked	19.3	17.4	15.6	15.5	0.727

SEIFA, Socio-Economic Index for Areas.