Table 3.
Estimates of the effect of the QOF on health behaviours using polynomial regression.
| BMI |
Alcohol |
No. cigarettes |
||||
|---|---|---|---|---|---|---|
| Coeff. | N. | Coeff. | N. | Coeff. | N. | |
| Model I: | ||||||
| With best polynomial order | 0.01 (0.11) | 25,152 | −0.02 (0.02) | 27,467 | −0.92** (0.37) | 31,383 |
| Model II: | ||||||
| With second-best polynomial order | −0.18 (0.17) | 25,152 | 0.004 (0.02) | 27,467 | −0.69*** (0.19) | 31,383 |
Std. errors in (). Weighted sample. All equations control for age, age squared, gender, educational qualification, number of children, marital status and income.
***p < 0.01; **p < 0.05.