Table 3

Regression of natural logarithm of tobacco expenditure and tobacco expenditure as percentage of total household expenditure, on SES indicators for smoking households (n=2291)

VariablesTobacco expenditureTobacco expenditure as % of total expenditure
bb
Source: 1998–1999 Household Expenditure Survey, Australian Bureau of Statistics (ABS). Results are adjusted for the number of persons aged ⩾15, number of men aged ⩾18 and age of head of household. *p<0.05, two tailed test. **p<0.01, two tailed test.
Household income
    First quintile (low income)−0.350.48**
    Second quintile−0.180.57**
    Third quintile0.040.50**
    Fourth quintile0.050.29
    Fifth quintile (high income)ReferentReferent
Education
    No qualification0.30**0.38**
    Diploma0.22*0.23*
    DegreeReferentReferent
    Unknown0.34*0.36*
Occupation
    Blue collar0.21**0.32**
    White collar0.090.25**
    ProfessionalReferentReferent
    Not applicable0.140.61**
Unemployment
    One or more unemployed person0.020.00
    No one unemployedReferentReferent
Housing tenure
    Renter0.020.02
    Purchaser−0.08−0.22
    OwnerReferentReferent
    Other0.210.46**
Index of relative socioeconomic disadvantage
First quintile (high disadvantage)0.050.26*
Second quintile0.010.07
Third quintile0.010.12
Fourth quintile−0.06−0.04
Fifth quintile (low disadvantage)ReferentReferent
Unknown0.020.08
Constant2.750.68
SEE0.901.10
R20.060.24