Incidence trends of adult glioma in Norway and its association with occupation and education : A registry-based cohort study
Copyright © 2024 The Authors. Published by Elsevier Ltd.. All rights reserved..
BACKGROUND: Gliomas constitute 75 % of all malignant primary adult brain tumors. Being the most frequent histologic subtype, glioblastomas (GBMs) cause substantial morbidity and mortality worldwide and the Nordic countries have some of the highest incidence rates in the world. Therefore, we investigated the incidence of gliomas in Norway including time trends and associations with education and occupation.
METHODS: We retrieved individual-level data from databases at Statistics Norway containing information on education and occupation and linked them to data on adult glioma patients diagnosed during 2004-21 from the Cancer Registry of Norway. Age-standardized incidence rates (ASIRs) (World Standard Population) were calculated and analyzed with regards to sex and morphology. Poisson regression was used to test for time-trends, and to analyze the associations between education, occupation and glioma incidence, adjusted for age, sex, and calendar year. Estimates were reported as incidence rate ratios (IRRs) with 95 % confidence intervals (CIs).
RESULTS: The overall ASIR of gliomas (per 100,000 person-years) was 7.1 (95 % CI 6.9-7.3), with no specific time trend during the study period. The incidence increased with age. Compared to the other subtypes, GBMs were diagnosed at older ages. The risks of developing glioma overall and GBM were associated with occupation but not with educational level. The relative risk of glioma and GBM were respectively 1.17 (95 % CI 1.05-1.31) and 1.17 (95 % CI 1.02-1.35) among high-skilled white-collar workers compared to blue-collar workers.
CONCLUSIONS: The overall and sex-specific ASIRs of gliomas and GBMs did not show any noticeable time trends. The higher risk of developing glioma overall and GBM in high-skilled white-collar workers compared to blue-collar workers calls for further investigations.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2024 |
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| Erschienen: |
2024 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:89 |
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| Enthalten in: |
Cancer epidemiology - 89(2024) vom: 17. März, Seite 102524 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Sharifian, Mohammad Jalil [VerfasserIn] |
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| Links: |
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| Themen: |
Education |
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| Anmerkungen: |
Date Completed 18.03.2024 Date Revised 18.03.2024 published: Print-Electronic Citation Status MEDLINE |
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| doi: |
10.1016/j.canep.2024.102524 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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| PPN (Katalog-ID): |
NLM368573737 |
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| 100 | 1 | |a Sharifian, Mohammad Jalil |e verfasserin |4 aut | |
| 245 | 1 | 0 | |a Incidence trends of adult glioma in Norway and its association with occupation and education |b A registry-based cohort study |
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| 500 | |a Date Revised 18.03.2024 | ||
| 500 | |a published: Print-Electronic | ||
| 500 | |a Citation Status MEDLINE | ||
| 520 | |a Copyright © 2024 The Authors. Published by Elsevier Ltd.. All rights reserved. | ||
| 520 | |a BACKGROUND: Gliomas constitute 75 % of all malignant primary adult brain tumors. Being the most frequent histologic subtype, glioblastomas (GBMs) cause substantial morbidity and mortality worldwide and the Nordic countries have some of the highest incidence rates in the world. Therefore, we investigated the incidence of gliomas in Norway including time trends and associations with education and occupation | ||
| 520 | |a METHODS: We retrieved individual-level data from databases at Statistics Norway containing information on education and occupation and linked them to data on adult glioma patients diagnosed during 2004-21 from the Cancer Registry of Norway. Age-standardized incidence rates (ASIRs) (World Standard Population) were calculated and analyzed with regards to sex and morphology. Poisson regression was used to test for time-trends, and to analyze the associations between education, occupation and glioma incidence, adjusted for age, sex, and calendar year. Estimates were reported as incidence rate ratios (IRRs) with 95 % confidence intervals (CIs) | ||
| 520 | |a RESULTS: The overall ASIR of gliomas (per 100,000 person-years) was 7.1 (95 % CI 6.9-7.3), with no specific time trend during the study period. The incidence increased with age. Compared to the other subtypes, GBMs were diagnosed at older ages. The risks of developing glioma overall and GBM were associated with occupation but not with educational level. The relative risk of glioma and GBM were respectively 1.17 (95 % CI 1.05-1.31) and 1.17 (95 % CI 1.02-1.35) among high-skilled white-collar workers compared to blue-collar workers | ||
| 520 | |a CONCLUSIONS: The overall and sex-specific ASIRs of gliomas and GBMs did not show any noticeable time trends. The higher risk of developing glioma overall and GBM in high-skilled white-collar workers compared to blue-collar workers calls for further investigations | ||
| 650 | 4 | |a Journal Article | |
| 650 | 4 | |a Education | |
| 650 | 4 | |a Glioblastoma | |
| 650 | 4 | |a Glioma | |
| 650 | 4 | |a Incidence rate | |
| 650 | 4 | |a Occupation | |
| 700 | 1 | |a Igland, Jannicke |e verfasserin |4 aut | |
| 700 | 1 | |a Klungsøyr, Kari |e verfasserin |4 aut | |
| 700 | 1 | |a Engeland, Anders |e verfasserin |4 aut | |
| 700 | 1 | |a Zhou, Ange |e verfasserin |4 aut | |
| 700 | 1 | |a Bjørge, Tone |e verfasserin |4 aut | |
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