Fig. 2From: Health-related quality of life in adolescents with persistent pain and the mediating role of self-efficacy: a cross-sectional studyMediation by self-efficacy of the association between pain intensity and the scores for HRQOL sub-scales a physical well-being, b psychological well-being, c mood, d self-perception, e autonomy and f school environment; p < 0.05*, p < 0.01** and p < 0.001***. Path a and b depict the indirect effects through the mediator. Path C represents the total effect and C' the direct pathBack to article page