Estimates of parameters, SEs, p values and relative risks over time from GEE model to the Smoking Cessation Study data
| Estimates, SEs, p values and estimates’ relative risk | ||||
| Parameter | Estimate | SE | P value | Relative risk |
| Baseline (β 0) | –2.156 | 0.339 | <0.001 | 0.081 |
| Month 3 (β 1) | 0.754 | 0.354 | 0.033 | 2.125 |
| Month 6 (β 2) | 0.865 | 0.354 | 0.014 | 2.375 |
| Month 12 (β 3) | 0.486 | 0.380 | 0.201 | 1.625 |
GEE, generalised estimating equations; SE, standard error.