SEM model. Latent factors are Aggression, Health, and Reactivity. Ln Hostility indicates that the natural log of the Buss Perry hostility measure was used as an indicator variable, PhysAgg is the physical aggression scale of the Buss-Perry, and Cynicism is the Cook-Medley Hostility scale. MetSyn1 indicates the linear combination of metabolic syndrome variables excluding SBP, systolic blood pressure. DBP indicates diastolic blood pressure. MedReport is the present or absence of a reported medication condition(s). ε indicates random error and is subscripted to indicate association with different terms of the model.