Table 1.
Baseline characteristics of the study sample.
| Baseline characteristics | Analytical sample |
|---|---|
| N | 2876 |
| Sociodemographic variables | |
| Age, mean (sd) | 42.0 (13.0) |
| Female, N (%) | 1915 (66.6) |
| Years of education, mean (sd) | 12.2 (3.3) |
| Lifestyle and somatic health variables | |
| Current smoker, N (%) | 1102 (38.3) |
| BMI, mean (sd) | 25.6 (4.9) |
| Number of somatic diseases, mean (sd) | 0.9 (1.1) |
| Lipid lowering drug use, N (%) | 202 (7.0) |
| Clinical characteristics | |
| Current depression and/or anxiety, N % | 1641 (57.1) |
| Remitted depression and/or anxiety, N (%) | 604 (21.9) |
| Healthy control, N (%) | 631 (21.0) |
| Total IDS, mean (sd) | 21.5 (14.1) |
| Antidepressant use, N (%) | 709 (24.7) |
| Depression severity variables | |
| AES profile, mean (sd) | 3.3 (2.7) |
| Other-IDS symptoms severity, mean (sd) | 18.2 (12.2) |
| Blood sampling variables | |
| Overnight fasting at time of blood draw, N (%) | 2745 (95.4) |
| Assessed in batch 1, % | 1310 (45.5) |
BMI Body Mass Index, IDS Inventory of Depressive Symptomatology, AES atypical, energy-related symptoms.