Table 6.
Results from WinBUGS for the random-effects logistic regression model using orthogonal predictors and parameter expansion and 25000 iterations
| Parameter |
Results for the orthogonal only model |
Results for the orthogonal and parameter expanded model |
||
|---|---|---|---|---|
| Estimate† | ESS | Estimate† | ESS | |
| α0—constant | −4.037 (0.077) | 24537 | −4.064 (0.081) | 14009 |
| α1—duration6–11 | −0.071 (0.045) | 25936 | −0.065 (0.045) | 22017 |
| α2—duration12–23 | −0.126 (0.042) | 25251 | −0.112 (0.044) | 15024 |
| α3—duration24–35 | −0.038 (0.050) | 25083 | −0.014 (0.054) | 4859 |
| α4—duration≥36 | 0.018 (0.054) | 26332 | 0.055 (0.063) | 1881 |
| β1—age25–34 | −0.371 (0.033) | 26567 | −0.376 (0.034) | 22609 |
| β2—age35–49 | −0.671 (0.058) | 22787 | −0.677 (0.059) | 20883 |
| β3—method2 | −1.156 (0.059) | 18532 | −1.169 (0.060) | 14032 |
| β4—method3 | 0.494 (0.109) | 24267 | 0.501 (0.111) | 23488 |
| β5—method4 | 0.053 (0.062) | 24546 | 0.050 (0.063) | 23792 |
| β6—educ–primary | 0.030 (0.069) | 24012 | 0.029 (0.069) | 22546 |
| β7—educ–secondary+ | 0.224 (0.071) | 25563 | 0.225 (0.072) | 24422 |
| β8—urban | 0.113 (0.036) | 25157 | 0.115 (0.037) | 22995 |
| β9—ses–med | −0.116 (0.046) | 25302 | −0.118 (0.046) | 23960 |
| β10—ses–high | −0.190 (0.052) | 25139 | −0.192 (0.052) | 23383 |
 |
0.001 (0.001) | 13 | 0.059 (0.048) | 318 |
†
Standard deviations are given in parentheses.