Baseline characteristics stratified by caseness of depression: Biomarkers.

Adjusted regression analysis for the independent variable depression. An odds ratio adjusted for age and sex with corresponding 95%-confidence interval and p-value is given for CRP. For the other dependent variables linear regressions have been done. In this case, the regression coefficient with corresponding 95%-confidence intervals and p-values were given.Data presented are median (25th/75th) percentile, mean ±1.96 sd, absolute and relative frequencies of subjects.*Subjects with a self reported influenza infection, common cold or other inflammatory diseases during the last week before examination or CRP≥10 mg/dl were excluded.