Table IV.
Logistic regression analysis with survey participation as outcome (n = 13,573).
| Variables | Odds ratio | 95% CI | |
|---|---|---|---|
| Sex | |||
| Male | X | ||
| Female | 0.978 | 0.891 | 1.074 |
| Year of birth | |||
| 1951–1956 | 1.256 | 1.118 | 1.410 |
| 1957–1962 | 1.103 | 0.990 | 1.228 |
| 1963–1968 | X | ||
| 1969–1974 | 0.987 | 0.881 | 1.105 |
| 1975–1980 | 0.810 | 0.710 | 0.923 |
| East/West marker of business establishment | |||
| East | 1.178 | 1.068 | 1.299 |
| West | X | ||
| Marginal employment | |||
| Employment subject to social insurance contribution | X | ||
| Marginally employed | 0.990 | 0.853 | 1.148 |
| Occupational status and working hours | |||
| Full time | X | ||
| Part time | 1.136 | 1.022 | 1.262 |
| Daily wages in categories | |||
| Daily wage below EUR50 | 0.913 | 0.798 | 1.043 |
| Daily wage EUR50 up to less than EUR85 | 0.881 | 0.788 | 0.984 |
| Daily wage EUR85 up to less than EUR120 | X | ||
| Daily wage EUR120 and more | 0.919 | 0.817 | 1.035 |
| Education | |||
| Secondary modern, middle school without professional training | 0.873 | 0.754 | 1.012 |
| Secondary modern, middle school with professional training | X | ||
| General qualification for university entrance without professional training | 0.894 | 0.584 | 1.368 |
| General qualification for university entrance with professional training | 1.342 | 1.130 | 1.594 |
| Polytechnic degree | 1.301 | 1.066 | 1.587 |
| University (academic) degree | 1.225 | 1.029 | 1.459 |
| Education unknown | 0.918 | 0.826 | 1.021 |
| Nationality | |||
| German | X | ||
| Other than German | 0.773 | 0.654 | 0.914 |
| Occupational classification by Blossfeld | |||
| Agrarian occupations | 0.925 | 0.656 | 1.306 |
| Simple manual occupations | 0.840 | 0.724 | 0.975 |
| Qualified manual occupations | 1.007 | 0.874 | 1.161 |
| Technicians | 1.277 | 1.063 | 1.534 |
| Engineers | 1.196 | 0.952 | 1.502 |
| Simple services | 0.825 | 0.718 | 0.947 |
| Qualified services | 0.955 | 0.799 | 1.142 |
| Semi professions | 1.337 | 1.160 | 1.542 |
| Professions | 1.277 | 0.966 | 1.687 |
| Simple commercial and administrative occupations | 0.855 | 0.738 | 0.991 |
| Qualified commercial and administrative occupations | X | ||
| Management | 1.121 | 0.891 | 1.410 |
| Other, no answer (i.e. internships) | 1.152 | 0.746 | 1.778 |
| Employment History | |||
| Cumulative, years (lifetime) | 1.008 | 1.001 | 1.014 |
| Employment History | |||
| Number of jobs (since 2004) | 1.018 | 1.001 | 1.034 |
| Experience with unemployment (lifetime) | |||
| No | X | ||
| Yes | 1.014 | 0.905 | 1.136 |
| Duration of unemployment | |||
| Cumulative, weeks (since 2004) | 1.000 | 1.000 | 1.000 |
| BIK classification by size of region | |||
| Below 2000 residents | 1.560 | 1.212 | 2.008 |
| 2000 up to less than 5000 residents | 1.490 | 1.197 | 1.855 |
| 5000 up to less than 20,000 residents | 1.336 | 1.152 | 1.548 |
| 20,000 up to less than 50,000 residents | 1.379 | 1.211 | 1.569 |
| 50,000 up to less than 100,000 residents, type of structure 2/3/4 (peripheral area) | 1.432 | 1.237 | 1.657 |
| 50,000 up to less than 100,000 residents, type of structure 1 (core area) | 1.085 | 0.832 | 1.413 |
| 100,000 up to less than 500,000 residents, type of structure 2/3/4 (peripheral area) | 1.336 | 1.186 | 1.505 |
| 100,000 up to less than 500,000 residents, type of structure 1 (core area) | 1.058 | 0.932 | 1.200 |
| 500,000 and more residents, type of structure 2/3/4 (peripheral area) | 1.469 | 1.282 | 1.683 |
| 500,000 and more residents, type of structure 1 (core area) | X | ||
| Cases | 13,573 | ||
| Log likelihood | −84.400.697 | ||
| Pseudo-R² | 0.0204 | ||
BIK: type of region according to a German classification system based on area size, population size and density; CI: confidence interval; X: reference category.