| Major Depressive Disorder defined by Major Depression Inventory, DSM-IV algorithm | ||||
| Simple model* | Multivariate† | Multivariate‡ | Multivariate§ | |
| OR (95% CI) | OR (95% CI) | OR (95% CI) | OR (95% CI) | |
| Education | ||||
| ISCED ⩾13 yrs | 1 | 1 | 1 | |
| ISCED 11–12 yrs | 1.26 (0.88 to 1.78) | 0.86 (0.59 to 1.26) | 0.84 (0.58 to 1.23) | |
| ISCED ⩽10 yrs | 2.38 (1.68 to 3.37) | 1.27 (0.87 to 1.86) | 1.16 (0.79 to 1.70) | |
| Employment¶ | ||||
| Occupation grp 1–3 | 1 | 1 | 1 | |
| Occupation grp 4–5 | 1.69 (1.13 to 2.52) | 1.64 (1.06 to 2.53) | 1.41 (0.91 to 2.19) | |
| Non-employed | 11.67 (8.06 to 16.89) | 10.89 (7.33 to 16.21) | 7.56 (4.97 to 11.49) | |
| Gross household income per year (DKK) | ||||
| >450 000 | 1 | 1 | 1 | |
| 175–450 000 | 3.48 (2.51 to 4.83) | 3.16 (2.26 to 4.40) | 2.10 (1.48 to 2.96) | |
| ⩽175 000 | 9.78 (6.49 to 14.74) | 8.45 (5.56 to 12.84) | 2.92 (1.86 to 4.58) | |
| Minor depression defined by MDI-scale point 15–25 | ||||
| Education | ||||
| ISCED ⩾13 yrs | 1 | 1 | 1 | |
| ISCED 11–12 yrs | 1.64 (1.28 to 2.11) | 1.33 (1.02 to 1.75) | 1.32 (1.01 to 1.74) | |
| ISCED ⩽10 yrs | 2.72 (2.11 to 3.51) | 1.92 (1.44 to 2.55) | 1.83 (1.37 to 2.43) | |
| Employment¶ | ||||
| Occupation grp 1–3 | 1 | 1 | 1 | |
| Occupation grp 4–5 | 1.57 (1.26 to 1.97) | 1.28 (1.00 to 1.64) | 1.20 (0.94 to 1.54) | |
| Non-employed | 5.43 (4.29 to 6.87) | 4.40 (3.42 to 5.66) | 3.64 (2.78 to 4.74) | |
| Gross household income per year (DKK) | ||||
| >450 000 | 1 | 1 | 1 | |
| 175–450 000 | 1.97 (1.61 to 2.41) | 1.73 (1.41 to 2.12) | 1.43 (1.16 to 1.76) | |
| ⩽175 000 | 4.17 (3.14 to 5.54) | 3.53 (2.65 to 4.69) | 1.89 (1.38 to 2.57) | |
| Prescriptions of antidepressants, Σ DDD >6 months | ||||
| Education | ||||
| ISCED ⩾13 yrs | 1 | 1 | 1 | |
| ISCED 11–12 yrs | 0.83 (0.61 to 1.12) | 0.61 (0.43 to 0.87) | 0.60 (0.41 to 0.87) | |
| ISCED ⩽10 yrs | 1.02 (0.74 to 1.43) | 0.64 (0.43 to 0.93) | 0.60 (0.43 to 0.86) | |
| Employment¶ | ||||
| Occupation grp 1–3 | 1 | 1 | 1 | |
| Occupation grp 4–5 | 1.15 (0.83 to 1.59) | 1.47 (1.01 to 2.13) | 1.37 (0.94 to 2.00) | |
| Non-employed | 3.90 (2.81 to 5.41) | 4.74 (3.29 to 6.83) | 3.84 (2.60 to 5.68) | |
| Gross household income per year (DKK) | ||||
| >450 000 | 1 | 1 | 1 | |
| 175–450 000 | 1.77 (1.32 to 2.37) | 1.84 (1.36 to 2.50) | 1.46 (1.07 to 1.99) | |
| ⩽175 000 | 3.81 (2.49 to 5.83) | 4.00 (2.58 to 6.21) | 1.95 (1.21 to 3.14) | |
*Odds ratios (OR) are in all analyses adjusted for sex, birth year, cohabitation, cohort and ethnicity.
†Adjusted for education.
‡Adjusted for employment.
§Adjusted for education + employment + income.
¶Occupational group 1–3 (non-manual groups: executive managers, leading managers, and salaried employees), occupational group 4–5 (manual groups: skilled and unskilled workers).
DDD, Defined Daily Dose; DKK, Danish Crowns; DSM-IV, Diagnostic and Statistical manual, 4th revision; ISCED, International Standard Classification of Education; MDD, Major depressive disorders; MDI, Major Depression Inventory