The longitudinal effect of social recognition on PTSD symptomatology and vice versa: Evidence from a population-based study.

A specific type of social support after potentially traumatic events is called "social recognition". It is the acknowledgement or validation of event-related thoughts, behavior, and feelings by the individual or others. It consists of positive individual or societal reactions that recognize and acknowledge victims' traumatic experiences and difficulties.

Reference data of the EORTC QLQ-C30 questionnaire: five consecutive annual assessments of approximately 2000 representative Dutch men and women.

Objective: Cancer and its treatment have an influence on health-related quality of life (HRQOL). Normative data could help to interpret HRQOL among cancer patients. Our aim was to generate longitudinal normative data based on sex, age and morbidity for the European Organisation for Research and Treatment of Cancer (EORTC) QLQ-C30 questionnaire.