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Table 2 Engagement in dual practice 2001-2009 (Odds Ratio with 95% Confidence Interval)
| Model 1 | Model 2 | |||
|---|---|---|---|---|
| Odds ratio | Confidence interval | Odds ratio | Confidence interval | |
| Salary for extended work hours (lag) | 0.999 | 0.999 - 0.999 | 1.000 | 0.999 - 1.000 |
| Net capital income (lag) ( 10 000 NOK) | 0.963 | 0.961 - 0.966 | 0.964 | 0.961 - 0.967 |
| Gender (female=1) | 0.697 | 0.652 - 0.744 | 0.697 | 0.652 - 0.746 |
| Cohabiting | 1.074 | 1.024 - 1.128 | 1.112 | 1.058 - 1.168 |
| Cohabiting by gender | 0.710 | 0.653 - 0.772 | 0.681 | 0.626 - 0.741 |
| Number of children<18 | 1.007 | 0.987 - 1.028 | 1.015 | 0.995 - 1.037 |
| Number of children<18 by gender | 0.883 | 0.853 - 0.915 | 0.879 | 0.848 - 0.911 |
| ChildLastYear | 0.877 | 0.797 - 0.965 | 0.878 | 0.796 - 0.968 |
| ChildLastYear by gender | 0.571 | 0.479 - 0.682 | 0.562 | 0.470 - 0.672 |
| Age group 1 | 1.016 | 0.941 - 1.098 | 0.938 | 0.867 - 1.016 |
| Age group 2 | 0.667 | 0.626 - 0.711 | 0.646 | 0.605 - 0.689 |
| Age group 3 | 0.952 | 0.901 - 1.006 | 0.937 | 0.885 - 0.991 |
| Work load | 1.113 | 1.006 - 1.232 | 0.962 | 0.789 - 1.174 |
| Physician group | 0.991 | 0.937 - 1.048 | 1.081 | 1.019 -1.147 |
| Intercept | 0.343 | 0.291 - 0.404 | 0.073 | 0.055 - 0.095 |
| Year (fixed effects) | Yes | Yes | ||
| Specialty (fixed effects) | No | Yes | ||
| Health enterprises (fixed effects) | No | Yes | ||
| Akaike [28] information criterion | 75039.35 | 72885.15 | ||
| Pearson’s Chi-Square | 67842.09 | 67717.30 | ||
| N | 12399 | 12399 | ||
