Comparisons of SCL-90-R scores among DEC and NDE groups*. *p values of Dunnett's t-test results among DEC and NDE are marked, ARI : average rating for item, DEC : clustered disability evaluation group, NDE : non-disability evaluation group, SOM : somatization, OBS : obsessive-compulsive, INT : interpersonal sensitivity, DEP : depression, ANX : anxiety, HOS : hostility, PHO : phonic anxiety, PAR : paranoid ideation, PSY : psychoticism, GSI : general severity index, PST : positive symptom total, PSDL : positive symptom distress level.