Not depressed (PHQ-9 < 5) n = 2040 | Depressed (PHQ-9 ≥ 10) n = 248 | Estimate (diff. 95% CI), p | Test model 1 OR (95% CI), p | Test model 2 OR (95% CI), p | Test model 3 OR (95% CI), p | |
---|---|---|---|---|---|---|
Tryptophan [nmol/l] | 50,188 ± 9121 | 49,038 ± 10,214 | 1150 [-186; 2487], p = 0.091 | 1 (1–1) p = 0.97 | 1 (1–1) p = 0.82 | 1 (1–1) p = 0.79 |
Kynurenine [nmol/l] | 2570 (2180/3040) | 2445 (2060/2920) | -0.23 [-0.096; -0.36], p = 0.00077 | 0.905 (0.798–1.025) p = .12 | 0.905 (0.798–1.026) p = .12 | 0.861 (0.753–0.984) p = 0.028 |
Kynurenic acid [nmol/l] | 33.90 (27.50/42.36) | 32.00 (24.44/38.70) | -0.27 [-0.12; -0.42], p = 0,00,045 | 0.814 (0.715 -0.925) P = 0.0016 | 0.827 (0.727–0.939) p = 0.0037 | 0.834 (0.731–0.951) p = 0.0071 |
Quinolinic acid [nmol/l] | 309.5 (253.0/384.0) | 296.5 (240.0/378.3) | -0.097 [-0.046; 0.24], p = 0.18 | 0.952 (0.836 -1.081) p = 0.46 | 0.946 (0.830–1.075) p = 0.40 | 0.917 (0.796–1.053) p = 0.23 |