Purpose
General population normative data for the European Organization for Research and Treatment of Cancer (EORTC) QLQ-C30 questionnaire facilitates interpretation of data assessed from cancer patients. This study aimed to present normative data of the Spanish general population.
Methods/Patients
Data were obtained from a prior larger study collecting EORTC QLQ-C30 norm data across 15 countries. Data were stratified by sex and age groups (18–39, 40–49, 50–59, 60–69 and >70 years). Sex and age distribution were weighted according to population distribution statistics. Sex- and age-specific normative values were analysed separately, as were participants with versus those without health conditions. Multiple linear regression was used to estimate the association of each of the EORTC QLQ-C30 scales with the determinants age, sex, sex-by-age interaction term, and health condition.
Results
1165 Spanish individuals participated in the study. Differences were found by sex and age. The largest sex-related differences were seen in fatigue, emotional functioning, and global QoL (Quality of Life), favouring men. Largest age differences were seen in emotional functioning, insomnia, and pain, with middle-aged groups having the worst scores. Those >60 years scored better than those <60 years on all scales except for physical functioning. Participants with no health conditions scored better in all QLQ-C30 domains.
Conclusions
The present study highlights differences in HRQoL between specific sex/age strata and especially between persons with and without a health condition in the Spanish general population. These factors must be considered when comparing general population HRQoL data with that of cancer patients.
This is a list of supplementary files associated with this preprint. Click to download.
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Posted 23 Mar, 2021
Received 11 Apr, 2021
On 11 Apr, 2021
Received 10 Apr, 2021
Received 06 Apr, 2021
On 29 Mar, 2021
On 26 Mar, 2021
Received 26 Mar, 2021
On 25 Mar, 2021
Invitations sent on 22 Mar, 2021
On 14 Mar, 2021
On 14 Mar, 2021
On 14 Mar, 2021
On 12 Mar, 2021
Posted 23 Mar, 2021
Received 11 Apr, 2021
On 11 Apr, 2021
Received 10 Apr, 2021
Received 06 Apr, 2021
On 29 Mar, 2021
On 26 Mar, 2021
Received 26 Mar, 2021
On 25 Mar, 2021
Invitations sent on 22 Mar, 2021
On 14 Mar, 2021
On 14 Mar, 2021
On 14 Mar, 2021
On 12 Mar, 2021
Purpose
General population normative data for the European Organization for Research and Treatment of Cancer (EORTC) QLQ-C30 questionnaire facilitates interpretation of data assessed from cancer patients. This study aimed to present normative data of the Spanish general population.
Methods/Patients
Data were obtained from a prior larger study collecting EORTC QLQ-C30 norm data across 15 countries. Data were stratified by sex and age groups (18–39, 40–49, 50–59, 60–69 and >70 years). Sex and age distribution were weighted according to population distribution statistics. Sex- and age-specific normative values were analysed separately, as were participants with versus those without health conditions. Multiple linear regression was used to estimate the association of each of the EORTC QLQ-C30 scales with the determinants age, sex, sex-by-age interaction term, and health condition.
Results
1165 Spanish individuals participated in the study. Differences were found by sex and age. The largest sex-related differences were seen in fatigue, emotional functioning, and global QoL (Quality of Life), favouring men. Largest age differences were seen in emotional functioning, insomnia, and pain, with middle-aged groups having the worst scores. Those >60 years scored better than those <60 years on all scales except for physical functioning. Participants with no health conditions scored better in all QLQ-C30 domains.
Conclusions
The present study highlights differences in HRQoL between specific sex/age strata and especially between persons with and without a health condition in the Spanish general population. These factors must be considered when comparing general population HRQoL data with that of cancer patients.
This is a list of supplementary files associated with this preprint. Click to download.
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