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. Author manuscript; available in PMC: 2010 Jul 1.
Published in final edited form as: Brain Behav Immun. 2008 Dec 25;23(5):663–671. doi: 10.1016/j.bbi.2008.12.006

Figure 2. Percent of persons with high IgG antibody response among participants with all four pathogens (N=307) by socioeconomic and psychosocial factors in a subset of the Multi-ethnic Study of Atherosclerosis (July 2000 — July 2002).

Figure 2

Cumulative immune response was measured among subjects seropositive for all four pathogens. A high cumulative immune response was defined as having above median antibody response to at least 3 of the 4 pathogens versus having high immune response to only 0 or 2 out of the four pathogens. Depressive symptoms were defined as CES-D ≥ 16 versus < 16, chronic stress is presented categorically with level 0 representing no chronic stress, and high cynical distrust was defined as a score of ≥ 5 versus < 5 based on the median value in the study population. *P-values were computed using trend tests. † P-values were computed using Chi-squared tests.