Figure 2

Influence of type of radiation therapy on trajectories of perceived stress. Graphical representation of the relationship between type of radiotherapy (WBRT = whole breast radiation therapy, PBRT = partial breast radiation therapy) and perceived stress (PSS scores, score range 0–40) as estimated by the hierarchical linear model from the time of the initial assessment (Baseline) to 6 weeks post radiotherapy. No group differences were found with respect to the level of perceived stress at baseline or as change over time. NS b_{slope-intercept} = −.10 and -.42, p-values =0 .78 and 0.31.