Relative risks of morbidity attributable to type 2 diabetes by income, education, and occupational position (German study population, 1700 diabetes cases, controlled for age and sex) as estimated by means of logistic regression
| Model 1 | Model 2 (mutually adjusted) | |||
|---|---|---|---|---|
| Odds ratio | 95% CI | Odds ratio | 95% CI | |
| Income | ||||
| Income: highest 20% (reference category) | 1 | – | 1 | – |
| Income: higher 20% | 1.28 | 0.96 to 1.70 | 1.22 | 0.92 to 1.64 |
| Income: mean 20% | 1.31 | 0.99 to 1.73 | 1.23 | 0.93 to 1.62 |
| Income: lower 20% | 1.38 | 1.06 to 1.79 | 1.29 | 1.00 to 1.69 |
| Income: lowest 20% | 1.34 | 1.03 to 1.74 | 1.33 | 1.02 to 1.73 |
| Not classified for income | 1.54 | 1.22 to 1.95 | 1.66 | 1.29 to 2.12 |
| Occupational position | ||||
| Intermediates/professionals (reference category) | 1 | – | 1 | – |
| Skilled non-manuals | 2.53 | 1.27 to 5.02 | 1.83 | 0.90 to 3.73 |
| Skilled manuals | 3.40 | 1.75 to 6.62 | 2.49 | 1.24 to 4.99 |
| Unskilled/semi-skilled | 3.79 | 1.96 to 7.35 | 2.60 | 1.34 to 5.22 |
| Not classified for occupational position | 3.95 | 2.03 to 7.66 | 2.77 | 1.38 to 5.57 |
| Education | ||||
| University education (reference category) | 1 | – | 1 | – |
| 13 years of school with or without apprenticeship | 7.82 | 2.22 to 27.6 | 5.65 | 1.56 to 20.44 |
| 9 or 10 yeas of school and completed apprenticeship | 6.60 | 2.12 to 20.6 | 4.70 | 1.44 to 15.23 |
| Max 10 years without having completed apprenticeship | 8.54 | 2.74 to 26.25 | 5.86 | 1.80 to 19.13 |
| Not classified for education | 7.91 | 2.54 to 24.67 | 4.41 | 1.36 to 14.37 |