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)
| Variables | Tobacco expenditure | Tobacco expenditure as % of total expenditure |
|---|---|---|
| b | b | |
| 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) | −0.35 | 0.48** |
| Second quintile | −0.18 | 0.57** |
| Third quintile | 0.04 | 0.50** |
| Fourth quintile | 0.05 | 0.29 |
| Fifth quintile (high income) | Referent | Referent |
| Education | ||
| No qualification | 0.30** | 0.38** |
| Diploma | 0.22* | 0.23* |
| Degree | Referent | Referent |
| Unknown | 0.34* | 0.36* |
| Occupation | ||
| Blue collar | 0.21** | 0.32** |
| White collar | 0.09 | 0.25** |
| Professional | Referent | Referent |
| Not applicable | 0.14 | 0.61** |
| Unemployment | ||
| One or more unemployed person | 0.02 | 0.00 |
| No one unemployed | Referent | Referent |
| Housing tenure | ||
| Renter | 0.02 | 0.02 |
| Purchaser | −0.08 | −0.22 |
| Owner | Referent | Referent |
| Other | 0.21 | 0.46** |
| Index of relative socioeconomic disadvantage | ||
| First quintile (high disadvantage) | 0.05 | 0.26* |
| Second quintile | 0.01 | 0.07 |
| Third quintile | 0.01 | 0.12 |
| Fourth quintile | −0.06 | −0.04 |
| Fifth quintile (low disadvantage) | Referent | Referent |
| Unknown | 0.02 | 0.08 |
| Constant | 2.75 | 0.68 |
| SEE | 0.90 | 1.10 |
| R2 | 0.06 | 0.24 |
