Table 6 Derived expenditure on tobacco† and proportion of income spent on tobacco‡ by parental social class. Means (SD) among regular smokers (1+ cigarette per week) aged 13 and 15.
| Non‐man | III man | IV‐V | Total | |
|---|---|---|---|---|
| Age 13 (1996) | ||||
| Mean expenditure (£s) (SD) | 2.07 (2.85) | 2.75 (3.05) | 2.81 (2.64) | 2.47 (2.86) |
| Proportion spent (SD) | 0.24 (0.34) | 0.32 (0.41) | 0.41* (0.61) | 0.30 (0.45) |
| Age 15 (1999) | ||||
| Mean expenditure (£) (SD) | 5.54 (5.49) | 6.44 (5.84) | 6.98* (5.41) | 6.29 (5.61) |
| Proportion spent (SD) | 0.45 (0.49) | 0.57 (0.69) | 0.59* (0.53) | 0.55 (0.58) |
Test for linearity *p<0.05.
†Based on RRP of usual brand (during fieldwork).
‡Calculated as an individual's weekly tobacco expenditure/weekly income.