Table 6.
Estimates of the effect of the QOF on treatments using polynomial regression.
| Medication |
Smoking cessation advice |
|||
|---|---|---|---|---|
| Coeff. | N. | Coeff. | N. | |
| Model I: | ||||
| With best polynomial order | −0.04 (0.04) | 23,346 | 0.02 (0.02) | 21,418 |
| Model II: | ||||
| With second-best polynomial order | 0.02 (0.03) | 23,346 | −0.0004 (0.01) | 21,418 |
Std. errors in (). Weighted sample. All equations control for age, age squared, gender, educational qualification, number of children, marital status and income.