Creator/Principal investigator(s)
Description
The relatively high incidence of cervical cancer in women at older ages is an issue in countries performing cervical screening for decades. Controversy remains on when and how to cease screening. Existing population-based studies on effectiveness of cervical screening at older ages have not considered women’s screening history. We performed a nationwide cohort study to investigate the incidence of cervical cancer after age 60 and its association with cervical screening at ages 61-65, stratified by screening history at ages 51-60.
Using the Total Population Register, we identified women born between January 1919 and December 1945, resident in Sweden since age 51. According to the year that each county started the electronic record of cervical screening and women’s resident county, we further identified 569,132 women that have cervical screening record available since age 51. Women’s screening records, cervical cancer occurrence, and level of education were retrieved from the Swedish National Cervical Screening Registry, the National Cancer Register, and LISA (Longitudinal integration database f
Subject area
HEALTH
(CESSDA Topic Classification)
Medical and Health Sciences
(The Swedish standard of fields of research 2011)
Principal organisation
Accessibility status
Responsible department/unit
Karolinska Institutet, Department of Medical Epidemiology and Biostatistics
Creator/Principal investigator(s)
Identifiers
SND-ID: SND 1028
Description
The relatively high incidence of cervical cancer in women at older ages is an issue in countries performing cervical screening for decades. Controversy remains on when and how to cease screening. Existing population-based studies on effectiveness of cervical screening at older ages have not considered women’s screening history. We performed a nationwide cohort study to investigate the incidence of cervical cancer after age 60 and its association with cervical screening at ages 61-65, stratified by screening history at ages 51-60.
Using the Total Population Register, we identified women born between January 1919 and December 1945, resident in Sweden since age 51. According to the year that each county started the electronic record of cervical screening and women’s resident county, we further identified 569,132 women that have cervical screening record available since age 51. Women’s screening records, cervical cancer occurrence, and level of education were retrieved from the Swedish National Cervical Screening Registry, the National Cancer Register, and LISA (Longitudinal integration database f
Language
English
Time period(s) investigated
1970-01-01 — 2011-12-31
Geographic spread
Geographic location: Sweden
Unit of analysis
Population
Women resident in Sweden since age 51 whose cervical screening records are available since age 51
Time Method
Sampling procedure
Ethics Review
Stockholm — Ref. 2011/921-32
Funding
Swedish Research Council
Swedish Foundation for Strategic Research, SSF — Ref. KF10-0046
The Swedish Cancer Society
Subject area
HEALTH
(CESSDA Topic Classification)
Medical and Health Sciences
(The Swedish standard of fields of research 2011)
Associated documentation
Effectiveness of cervical screening after age 60 according to screening history: nationwide cohort study, 2017
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Version 1.0
2017-08-28
https://doi.org/10.5878/002910
Suggested citation
Creator/Principal investigator(s)
Description
This data comprises women born between January 1919 and December 1945, resident in Sweden since age 51, and having cervical screening record available since age 51.
It contains the following variables:
- Seq_nr: sequence number indicating each individual woman, from 1 to 569,132.
- Edu_cat: level of education in three categories: 1=low (less than high school); 2=high school; 3=university exam and above; .=missing. Data are retrieved from LISA (Longitudinal integration database for health insura
Data format / data structure
Numeric
Data collection
Time period(s) for data collection: 1991 — 2013
Source of the data: Registers/Records/Accounts: Administrative, Registers/Records/Accounts: Medical/Clinical
Time period(s) investigated
1970-01-01 — 2011-12-31
Variables
12
Number of individuals/objects
569132