88% seems to be a reasonably high level of avoidance. I always considered myself to be a possible Avoidant Personality Disorder sufferer, but mine came out much lower than yours. Onward2wards seems to know his stuff, traits from several Personality Disorders do cross over fairly often.

Paranoid 86%
Schizoid 90%
Schizotypal 90%
Antisocial 26%
Borderline 42%
Histrionic 10%
Narcissistic 10%
Avoidant 54%%
Dependent 50%
Obsessive-Compulsive 10%