Table 3: Outcome of First Episode Depression, Totally and by Age-Of-Onset

Characteristic Total (N=301) Age ≤ 30 Years (N=99) Age > 30 Years (N=202) P 1 B /OR (95% CI)2 Early vs late Onset (Adjusted for Gender) P 3
Remission on first-line treatment, N (%) 79 (29.2) 27 (31.8) 52 (28.1) 0.5 1.3 (0.7-2.4) 0.4
Mean Ham-D 17 score at endpoint (S.D.) 4 9.3 (6.2) 8.9 (5.8) 9.4 (6.3) 0.5 0.6 (-0.9-2.2) 0.4
Mean BDI 21 score at endpoint (S.D.) 5 15.3 (9.9) 18.4 (10.3) 13.8 (9.4) <0.0005 -3.4 (-5.8- -0.9) 0.008

1 P-values (2-sided) in univariate analyses comparing patients with early and late onset (χ2-test categorical data and t-test for continuous data)
2 Correlation coefficients in multiple regression models / odds-ratios in logistic regression model; the effect of age-of-onset adjusted for the affect of gender
3 P-values (2-sided) in the regression models
4 17-item Hamilton Depression Rating Scale (Ham-D 17)
5 21-item Beck Depression Inventory (BDI 21)