The aim of the present study was to generate Dutch reference data for the EORTC QLQ-C30 and for five sexuality items from the EORTC QL-item bank. Furthermore, to evaluate the relative impact of self-reported health problems on these outcomes and compare the Dutch normative EORTC QLQ-C30 overall QoL with available Scandinavian and German normative data.
The questionnaire was completed by 1731 (78%) CentERpanel members. For both men and women, functional health (except emotional functioning) decreased with age, and the symptoms pain and fatigue increased with age. Men scored statistically but never clinically significantly better on most functional scales than women. Men reported higher levels of sexual interest and activity than women. All subgroups of participants with health problems reported lower physical and role functioning and overall quality of life (QoL). Those with depression (n=79) reported functioning scores 20-30 points lower than participants without any condition. Dutch men and women reported high levels of overall QoL as compared to previously published Scandinavian and German normative data.
Age, gender and other health problems are important when comparing QoL and sexuality among different cancer cohorts. Normative data on QoL and sexuality are needed to interpret QoL issues among the growing group of (long-term) cancer survivors.
QLQ-C30 and sexual item normative data were obtained from the Health and Health Complaints project from CentERdata. The CentERpanel is an online household panel consisting of more than 2000 Dutch households, representative of the Dutch-speaking population in the Netherlands.
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