{"id":"https://openalex.org/W2081761835","doi":"https://doi.org/10.1186/1471-2458-12-857","title":"Parity, age at first birth, and risk of death from brain cancer: a population-based cohort study in Taiwan","display_name":"Parity, age at first birth, and risk of death from brain cancer: a population-based cohort study in Taiwan","publication_year":2012,"publication_date":"2012-10-09","ids":{"openalex":"https://openalex.org/W2081761835","doi":"https://doi.org/10.1186/1471-2458-12-857","mag":"2081761835","pmid":"https://pubmed.ncbi.nlm.nih.gov/23046716"},"language":"en","primary_location":{"id":"doi:10.1186/1471-2458-12-857","doi":"https://doi.org/10.1186/1471-2458-12-857","is_oa":true,"landing_page_url":"https://doi.org/10.1186/1471-2458-12-857","pdf_url":"https://bmcpublichealth.biomedcentral.com/counter/pdf/10.1186/1471-2458-12-857","source":{"id":"https://openalex.org/S200437886","display_name":"BMC Public Health","issn_l":"1471-2458","issn":["1471-2458"],"is_oa":true,"is_in_doaj":true,"is_core":true,"listed_in":["cwts-core","doaj","doyens","jufo-1","ki-jl-1","medline","norway-1"],"host_organization":"https://openalex.org/P4310320256","host_organization_name":"BioMed Central","host_organization_lineage":["https://openalex.org/P4310320256","https://openalex.org/P4310319965"],"host_organization_lineage_names":["BioMed Central","Springer Nature"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"BMC Public Health","raw_type":"journal-article"},"volume":null,"type":"article","indexed_in":["crossref","doaj","pubmed"],"open_access":{"is_oa":true,"oa_status":"gold","oa_url":"https://bmcpublichealth.biomedcentral.com/counter/pdf/10.1186/1471-2458-12-857","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5011944462","display_name":"Hui\u2010Fen Chiu","orcid":"https://orcid.org/0000-0002-7076-0713","observed_orcids":["https://orcid.org/0000-0002-7076-0713"]},"institutions":[{"id":"https://openalex.org/I152743029","display_name":"Kaohsiung Medical University","ror":"https://ror.org/03gk81f96","country_code":"TW","type":"education","lineage":["https://openalex.org/I152743029"]}],"countries":["TW"],"is_corresponding":false,"raw_author_name":"Hui-Fen Chiu","raw_affiliation_strings":["Department of Pharmacology, College of Medicine, Kaohsiung Medical University, Kaohsiung, Taiwan","Department of Pharmacology, College of Medicine , Kaohsiung Medical University , Kaohsiung, Taiwan"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Pharmacology, College of Medicine, Kaohsiung Medical University, Kaohsiung, Taiwan","institution_ids":["https://openalex.org/I152743029"]},{"raw_affiliation_string":"Department of Pharmacology, College of Medicine , Kaohsiung Medical University , Kaohsiung, Taiwan","institution_ids":["https://openalex.org/I152743029"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100752859","display_name":"Chih\u2010Cheng Chen","orcid":"https://orcid.org/0000-0002-8938-3209","observed_orcids":["https://orcid.org/0000-0002-8938-3209"]},"institutions":[{"id":"https://openalex.org/I173093425","display_name":"Chang Gung University","ror":"https://ror.org/00d80zx46","country_code":"TW","type":"education","lineage":["https://openalex.org/I173093425"]},{"id":"https://openalex.org/I4210093821","display_name":"Kaohsiung Chang Gung Memorial Hospital","ror":"https://ror.org/00k194y12","country_code":"TW","type":"healthcare","lineage":["https://openalex.org/I4210093821"]}],"countries":["TW"],"is_corresponding":false,"raw_author_name":"Chih-Cheng Chen","raw_affiliation_strings":["Department of Pediatrics, Chang-Gung Memorial Hospital, Kaohsiung Medical Center, Chang-Gung University, College of Medicine, Kaohsiung, Taiwan","Department of Pediatrics, Chang Gung Memorial Hospital \u2013 Kaohsiung Medical Center, Chang Gung University College of Medicine, Kaohsiung, Taiwan"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Pediatrics, Chang-Gung Memorial Hospital, Kaohsiung Medical Center, Chang-Gung University, College of Medicine, Kaohsiung, Taiwan","institution_ids":["https://openalex.org/I173093425","https://openalex.org/I4210093821"]},{"raw_affiliation_string":"Department of Pediatrics, Chang Gung Memorial Hospital \u2013 Kaohsiung Medical Center, Chang Gung University College of Medicine, Kaohsiung, Taiwan","institution_ids":["https://openalex.org/I173093425","https://openalex.org/I4210093821"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5102559417","display_name":"Shang\u2010Shyue Tsai","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I98298690","display_name":"I-Shou University","ror":"https://ror.org/04d7e4m76","country_code":"TW","type":"education","lineage":["https://openalex.org/I98298690"]}],"countries":["TW"],"is_corresponding":false,"raw_author_name":"Shang-Shyue Tsai","raw_affiliation_strings":["Department of Healthcare Administration, I-Shou University, Kaohsiung, Taiwan","Department of Healthcare Administration I\u2010Shou University Kaohsiung Taiwan"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Healthcare Administration, I-Shou University, Kaohsiung, Taiwan","institution_ids":["https://openalex.org/I98298690"]},{"raw_affiliation_string":"Department of Healthcare Administration I\u2010Shou University Kaohsiung Taiwan","institution_ids":["https://openalex.org/I98298690"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5103731977","display_name":"Shu\u2010Chen Ho","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I152743029","display_name":"Kaohsiung Medical University","ror":"https://ror.org/03gk81f96","country_code":"TW","type":"education","lineage":["https://openalex.org/I152743029"]}],"countries":["TW"],"is_corresponding":false,"raw_author_name":"Shu-Chen Ho","raw_affiliation_strings":["Department of Public Health, College of Health Sciences, Kaohsiung Medical University, Kaohsiung, Taiwan","Department of Public Health, College of Health Sciences, Kaohsiung Medical University, Kaohsiung, Taiwan;"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Public Health, College of Health Sciences, Kaohsiung Medical University, Kaohsiung, Taiwan","institution_ids":["https://openalex.org/I152743029"]},{"raw_affiliation_string":"Department of Public Health, College of Health Sciences, Kaohsiung Medical University, Kaohsiung, Taiwan;","institution_ids":["https://openalex.org/I152743029"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5028073574","display_name":"Chun\u2010Yuh Yang","orcid":"https://orcid.org/0000-0002-5021-4889","observed_orcids":["https://orcid.org/0000-0002-5021-4889"]},"institutions":[{"id":"https://openalex.org/I152743029","display_name":"Kaohsiung Medical University","ror":"https://ror.org/03gk81f96","country_code":"TW","type":"education","lineage":["https://openalex.org/I152743029"]}],"countries":["TW"],"is_corresponding":true,"raw_author_name":"Chun-Yuh Yang","raw_affiliation_strings":["Department of Public Health, College of Health Sciences, Kaohsiung Medical University, Kaohsiung, Taiwan","Department of Public Health, College of Health Sciences, Kaohsiung Medical University, Kaohsiung, Taiwan;"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Public Health, College of Health Sciences, Kaohsiung Medical University, Kaohsiung, Taiwan","institution_ids":["https://openalex.org/I152743029"]},{"raw_affiliation_string":"Department of Public Health, College of Health Sciences, Kaohsiung Medical University, Kaohsiung, Taiwan;","institution_ids":["https://openalex.org/I152743029"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":4,"corresponding_author_ids":["https://openalex.org/A5028073574"],"corresponding_institution_ids":["https://openalex.org/I152743029"],"apc_list":{"value":3290,"currency":"USD","value_usd":3290},"apc_paid":{"value":3290,"currency":"USD","value_usd":3290},"fwci":0.4272,"has_fulltext":true,"cited_by_count":9,"citation_normalized_percentile":{"value":0.6541782,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":88,"max":96},"biblio":{"volume":"12","issue":"1","first_page":"857","last_page":"857"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T12103","display_name":"Cancer Risks and Factors","score":0.7871000170707703,"subfield":{"id":"https://openalex.org/subfields/2730","display_name":"Oncology"},"field":{"id":"https://openalex.org/fields/27","display_name":"Medicine"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}},"topics":[{"id":"https://openalex.org/T12103","display_name":"Cancer Risks and Factors","score":0.7871000170707703,"subfield":{"id":"https://openalex.org/subfields/2730","display_name":"Oncology"},"field":{"id":"https://openalex.org/fields/27","display_name":"Medicine"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}},{"id":"https://openalex.org/T10129","display_name":"Glioma Diagnosis and Treatment","score":0.11320000141859055,"subfield":{"id":"https://openalex.org/subfields/2716","display_name":"Genetics"},"field":{"id":"https://openalex.org/fields/27","display_name":"Medicine"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}},{"id":"https://openalex.org/T10556","display_name":"Global Cancer Incidence and Screening","score":0.054499998688697815,"subfield":{"id":"https://openalex.org/subfields/2730","display_name":"Oncology"},"field":{"id":"https://openalex.org/fields/27","display_name":"Medicine"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/brain-cancer","display_name":"brain cancer","score":0.8460000157356262},{"id":"https://openalex.org/keywords/parity","display_name":"parity","score":0.5789999961853027},{"id":"https://openalex.org/keywords/age-at-first-birth","display_name":"age at first birth","score":0.9900000095367432},{"id":"https://openalex.org/keywords/reproductive-factors","display_name":"reproductive factors","score":0.718999981880188},{"id":"https://openalex.org/keywords/cancer-mortality","display_name":"cancer mortality","score":0.7379999756813049},{"id":"https://openalex.org/keywords/women","display_name":"women","score":0.4580000042915344},{"id":"https://openalex.org/keywords/protective-effect","display_name":"protective effect","score":0.453000009059906},{"id":"https://openalex.org/keywords/number-of-births","display_name":"number of births","score":0.5220000147819519}],"concepts":[{"id":"https://openalex.org/C71924100","wikidata":"https://www.wikidata.org/wiki/Q11190","display_name":"Medicine","level":0,"score":0.9124270081520081},{"id":"https://openalex.org/C2779703513","wikidata":"https://www.wikidata.org/wiki/Q34581","display_name":"Childbirth","level":3,"score":0.7144654393196106},{"id":"https://openalex.org/C207103383","wikidata":"https://www.wikidata.org/wiki/Q3930246","display_name":"Hazard ratio","level":3,"score":0.6252425909042358},{"id":"https://openalex.org/C2777151079","wikidata":"https://www.wikidata.org/wiki/Q141160","display_name":"Parity (physics)","level":2,"score":0.5626381635665894},{"id":"https://openalex.org/C149923435","wikidata":"https://www.wikidata.org/wiki/Q37732","display_name":"Demography","level":1,"score":0.5018000602722168},{"id":"https://openalex.org/C131872663","wikidata":"https://www.wikidata.org/wiki/Q5284418","display_name":"Obstetrics","level":1,"score":0.49622446298599243},{"id":"https://openalex.org/C72563966","wikidata":"https://www.wikidata.org/wiki/Q1303415","display_name":"Cohort","level":2,"score":0.4878523349761963},{"id":"https://openalex.org/C201903717","wikidata":"https://www.wikidata.org/wiki/Q1778788","display_name":"Cohort study","level":2,"score":0.4810945689678192},{"id":"https://openalex.org/C50382708","wikidata":"https://www.wikidata.org/wiki/Q223218","display_name":"Proportional hazards model","level":2,"score":0.48058128356933594},{"id":"https://openalex.org/C2908647359","wikidata":"https://www.wikidata.org/wiki/Q2625603","display_name":"Population","level":2,"score":0.4501570761203766},{"id":"https://openalex.org/C140556311","wikidata":"https://www.wikidata.org/wiki/Q214746","display_name":"Biostatistics","level":3,"score":0.44134122133255005},{"id":"https://openalex.org/C107130276","wikidata":"https://www.wikidata.org/wiki/Q133805","display_name":"Epidemiology","level":2,"score":0.41831791400909424},{"id":"https://openalex.org/C2779234561","wikidata":"https://www.wikidata.org/wiki/Q11995","display_name":"Pregnancy","level":2,"score":0.409902960062027},{"id":"https://openalex.org/C44249647","wikidata":"https://www.wikidata.org/wiki/Q208498","display_name":"Confidence interval","level":2,"score":0.157812237739563},{"id":"https://openalex.org/C126322002","wikidata":"https://www.wikidata.org/wiki/Q11180","display_name":"Internal medicine","level":1,"score":0.13055264949798584},{"id":"https://openalex.org/C99454951","wikidata":"https://www.wikidata.org/wiki/Q932068","display_name":"Environmental health","level":1,"score":0.052271127700805664},{"id":"https://openalex.org/C86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","level":0,"score":0.0},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.0},{"id":"https://openalex.org/C144024400","wikidata":"https://www.wikidata.org/wiki/Q21201","display_name":"Sociology","level":0,"score":0.0},{"id":"https://openalex.org/C109214941","wikidata":"https://www.wikidata.org/wiki/Q18334","display_name":"Particle physics","level":1,"score":0.0},{"id":"https://openalex.org/C54355233","wikidata":"https://www.wikidata.org/wiki/Q7162","display_name":"Genetics","level":1,"score":0.0}],"mesh":[{"descriptor_ui":"D000328","descriptor_name":"Adult","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D000328","descriptor_name":"Adult","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D000328","descriptor_name":"Adult","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D001932","descriptor_name":"Brain Neoplasms","qualifier_ui":"Q000209","qualifier_name":"etiology","is_major_topic":false},{"descriptor_ui":"D001932","descriptor_name":"Brain Neoplasms","qualifier_ui":"Q000209","qualifier_name":"etiology","is_major_topic":false},{"descriptor_ui":"D001932","descriptor_name":"Brain Neoplasms","qualifier_ui":"Q000209","qualifier_name":"etiology","is_major_topic":false},{"descriptor_ui":"D001932","descriptor_name":"Brain Neoplasms","qualifier_ui":"Q000401","qualifier_name":"mortality","is_major_topic":false},{"descriptor_ui":"D001932","descriptor_name":"Brain Neoplasms","qualifier_ui":"Q000401","qualifier_name":"mortality","is_major_topic":false},{"descriptor_ui":"D001932","descriptor_name":"Brain Neoplasms","qualifier_ui":"Q000401","qualifier_name":"mortality","is_major_topic":false},{"descriptor_ui":"D005260","descriptor_name":"Female","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D005260","descriptor_name":"Female","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D005260","descriptor_name":"Female","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D006801","descriptor_name":"Humans","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D006801","descriptor_name":"Humans","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D006801","descriptor_name":"Humans","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D008423","descriptor_name":"Maternal Age","qualifier_ui":null,"qualifier_name":null,"is_major_topic":true},{"descriptor_ui":"D008423","descriptor_name":"Maternal Age","qualifier_ui":null,"qualifier_name":null,"is_major_topic":true},{"descriptor_ui":"D008423","descriptor_name":"Maternal Age","qualifier_ui":null,"qualifier_name":null,"is_major_topic":true},{"descriptor_ui":"D010298","descriptor_name":"Parity","qualifier_ui":null,"qualifier_name":null,"is_major_topic":true},{"descriptor_ui":"D010298","descriptor_name":"Parity","qualifier_ui":null,"qualifier_name":null,"is_major_topic":true},{"descriptor_ui":"D010298","descriptor_name":"Parity","qualifier_ui":null,"qualifier_name":null,"is_major_topic":true},{"descriptor_ui":"D011247","descriptor_name":"Pregnancy","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D011247","descriptor_name":"Pregnancy","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D011247","descriptor_name":"Pregnancy","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D012307","descriptor_name":"Risk Factors","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D012307","descriptor_name":"Risk Factors","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D012307","descriptor_name":"Risk Factors","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D013624","descriptor_name":"Taiwan","qualifier_ui":"Q000453","qualifier_name":"epidemiology","is_major_topic":false},{"descriptor_ui":"D013624","descriptor_name":"Taiwan","qualifier_ui":"Q000453","qualifier_name":"epidemiology","is_major_topic":false},{"descriptor_ui":"D013624","descriptor_name":"Taiwan","qualifier_ui":"Q000453","qualifier_name":"epidemiology","is_major_topic":false},{"descriptor_ui":"D015331","descriptor_name":"Cohort Studies","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D015331","descriptor_name":"Cohort Studies","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D015331","descriptor_name":"Cohort Studies","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D016016","descriptor_name":"Proportional Hazards Models","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D016016","descriptor_name":"Proportional Hazards Models","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D016016","descriptor_name":"Proportional Hazards Models","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D055815","descriptor_name":"Young Adult","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D055815","descriptor_name":"Young Adult","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D055815","descriptor_name":"Young Adult","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false}],"locations_count":4,"locations":[{"id":"doi:10.1186/1471-2458-12-857","doi":"https://doi.org/10.1186/1471-2458-12-857","is_oa":true,"landing_page_url":"https://doi.org/10.1186/1471-2458-12-857","pdf_url":"https://bmcpublichealth.biomedcentral.com/counter/pdf/10.1186/1471-2458-12-857","source":{"id":"https://openalex.org/S200437886","display_name":"BMC Public Health","issn_l":"1471-2458","issn":["1471-2458"],"is_oa":true,"is_in_doaj":true,"is_core":true,"listed_in":["cwts-core","doaj","doyens","jufo-1","ki-jl-1","medline","norway-1"],"host_organization":"https://openalex.org/P4310320256","host_organization_name":"BioMed Central","host_organization_lineage":["https://openalex.org/P4310320256","https://openalex.org/P4310319965"],"host_organization_lineage_names":["BioMed Central","Springer Nature"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"BMC Public Health","raw_type":"journal-article"},{"id":"pmid:23046716","doi":null,"is_oa":false,"landing_page_url":"https://pubmed.ncbi.nlm.nih.gov/23046716","pdf_url":null,"source":{"id":"https://openalex.org/S4306525036","display_name":"PubMed","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I1299303238","host_organization_name":"National Institutes of Health","host_organization_lineage":["https://openalex.org/I1299303238"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"BMC public health","raw_type":"Journal Article"},{"id":"pmh:oai:pubmedcentral.nih.gov:3487843","doi":null,"is_oa":true,"landing_page_url":"https://www.ncbi.nlm.nih.gov/pmc/articles/3487843","pdf_url":null,"source":{"id":"https://openalex.org/S2764455111","display_name":"PubMed Central","issn_l":null,"issn":null,"is_oa":true,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I1299303238","host_organization_name":"National Institutes of Health","host_organization_lineage":["https://openalex.org/I1299303238"],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"BMC Public Health","raw_type":"Text"},{"id":"pmh:oai:doaj.org/article:9fe4796826944eb8a2669746bd03461e","doi":null,"is_oa":false,"landing_page_url":"https://doaj.org/article/9fe4796826944eb8a2669746bd03461e","pdf_url":null,"source":{"id":"https://openalex.org/S4306401280","display_name":"DOAJ (DOAJ: Directory of Open Access Journals)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"BMC Public Health, Vol 12, Iss 1, p 857 (2012)","raw_type":"article"}],"best_oa_location":{"id":"doi:10.1186/1471-2458-12-857","doi":"https://doi.org/10.1186/1471-2458-12-857","is_oa":true,"landing_page_url":"https://doi.org/10.1186/1471-2458-12-857","pdf_url":"https://bmcpublichealth.biomedcentral.com/counter/pdf/10.1186/1471-2458-12-857","source":{"id":"https://openalex.org/S200437886","display_name":"BMC Public Health","issn_l":"1471-2458","issn":["1471-2458"],"is_oa":true,"is_in_doaj":true,"is_core":true,"listed_in":["cwts-core","doaj","doyens","jufo-1","ki-jl-1","medline","norway-1"],"host_organization":"https://openalex.org/P4310320256","host_organization_name":"BioMed Central","host_organization_lineage":["https://openalex.org/P4310320256","https://openalex.org/P4310319965"],"host_organization_lineage_names":["BioMed Central","Springer Nature"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"BMC Public Health","raw_type":"journal-article"},"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/3","display_name":"Good health and well-being","score":1.0}],"sustainable_development_goals_aurora":[{"id":"https://metadata.un.org/sdg/3","display_name":"Good health and well-being","score":0.8899999856948853}],"study_designs":[{"id":"https://openalex.org/study-designs/observational-study","display_name":"Observational Study"}],"awards":[],"funders":[{"id":"https://openalex.org/F4320321040","display_name":"National Science Council","ror":"https://ror.org/02kv4zf79"}],"has_content":{"pdf":true,"grobid_xml":true},"content_urls":{"pdf":"https://content.openalex.org/works/W2081761835.pdf","grobid_xml":"https://content.openalex.org/works/W2081761835.grobid-xml"},"referenced_works_count":44,"referenced_works":["https://openalex.org/W191844417","https://openalex.org/W1566586551","https://openalex.org/W1644922490","https://openalex.org/W1870761595","https://openalex.org/W1919053311","https://openalex.org/W1973418697","https://openalex.org/W1973955677","https://openalex.org/W1977616515","https://openalex.org/W1986330366","https://openalex.org/W1987858715","https://openalex.org/W1990112747","https://openalex.org/W1992741307","https://openalex.org/W1994424229","https://openalex.org/W1997743917","https://openalex.org/W2000142926","https://openalex.org/W2003178083","https://openalex.org/W2009633204","https://openalex.org/W2014077370","https://openalex.org/W2024235022","https://openalex.org/W2025091819","https://openalex.org/W2027619581","https://openalex.org/W2029409627","https://openalex.org/W2052365569","https://openalex.org/W2059669233","https://openalex.org/W2069216007","https://openalex.org/W2073847006","https://openalex.org/W2073976254","https://openalex.org/W2074958410","https://openalex.org/W2089442613","https://openalex.org/W2089636562","https://openalex.org/W2105850998","https://openalex.org/W2108768162","https://openalex.org/W2115210493","https://openalex.org/W2119585162","https://openalex.org/W2141775256","https://openalex.org/W2148237966","https://openalex.org/W2148486431","https://openalex.org/W2165999803","https://openalex.org/W2168302854","https://openalex.org/W2236090386","https://openalex.org/W2286302181","https://openalex.org/W2326375086","https://openalex.org/W2917127452","https://openalex.org/W4285719527"],"related_works":["https://openalex.org/W1977389139","https://openalex.org/W4380903871","https://openalex.org/W1563497214","https://openalex.org/W2078010321","https://openalex.org/W4385816498","https://openalex.org/W2120608270","https://openalex.org/W2969652840","https://openalex.org/W3097888895","https://openalex.org/W2994686985","https://openalex.org/W4281722959"],"abstract_inverted_index":{"BACKGROUND:":[0],"This":[1,241],"study":[2,28,242],"was":[3,68,122,131,178,226],"undertaken":[4],"to":[5,60,85,221],"examine":[6],"whether":[7],"there":[8],"is":[9],"an":[10],"association":[11],"between":[12,41,141],"parity":[13,98],"and":[14,19,38,45,64,99,143,200,249],"age":[15,100,182,251],"at":[16,101,183,252],"first":[17,37,58,102,184,253],"birth":[18,140,152,165,220],"risk":[20,174,262],"of":[21,31,56,91,114,119,156,172,175,234,263],"death":[22,92,264],"from":[23,53,93,265],"brain":[24,94,108,120,176,235,266],"cancer.":[25,267],"METHODS:":[26],"The":[27,116,128,186],"cohort":[29],"consisted":[30],"1,292,462":[32],"women":[33,137,149,162,195,206,216],"who":[34,138,150,163,196,217],"had":[35,197,218],"a":[36,227,257],"singleton":[39],"childbirth":[40,59],"Jan.":[42],"1,":[43],"1978":[44],"Dec.":[46],"31,":[47,62],"1987.":[48],"We":[49],"tracked":[50],"each":[51],"woman":[52],"the":[54,74,87,232,261],"time":[55],"their":[57,65],"December":[61],"2009,":[63],"vital":[66],"status":[67],"ascertained":[69],"by":[70],"linking":[71],"records":[72],"with":[73,97,161,180,207,215,237],"computerized":[75],"mortality":[76,117],"database.":[77],"Cox":[78],"proportional":[79],"hazard":[80,88],"regression":[81],"models":[82],"were":[83,106,189],"used":[84],"estimate":[86],"ratios":[89],"(HR)":[90],"cancer":[95,109,121,177,236],"associated":[96],"birth.":[103,185],"RESULTS:":[104],"There":[105,225],"316":[107],"deaths":[110],"during":[111],"34,980,246":[112],"person-years":[113],"follow-up.":[115],"rate":[118],"0.90":[123],"cases":[124],"per":[125],"100,000":[126],"person-years.":[127],"adjusted":[129,187],"HR":[130,188],"1.35":[132],"(95%":[133,146,191,202],"CI=":[134,192],"0.91-2.01)":[135],"for":[136,148,194,205],"gave":[139,151,164],"21":[142],"25,":[144],"1.61":[145],"CI=1.05-2.45)":[147],"after":[153],"25":[154],"years":[155],"age,":[157],"respectively,":[158,212],"when":[159,213],"compared":[160,214],"less":[166],"than":[167],"20":[168],"years.":[169],"A":[170],"trend":[171,230],"increasing":[173,181,238],"seen":[179],"0.73":[190],"0.53-0.99)":[193],"2":[198],"children,":[199],"0.60":[201],"CI":[203],"=0.43-0.83)":[204],"3":[208],"or":[209],"more":[210],"births,":[211],"given":[219],"only":[222],"1":[223],"child.":[224],"significant":[228],"decreasing":[229],"in":[231],"HRs":[233],"parity.":[239],"CONCLUSIONS:":[240],"provides":[243],"evidence":[244],"that":[245],"reproductive":[246],"factors":[247],"(parity":[248],"early":[250],"birth)":[254],"may":[255],"confer":[256],"protective":[258],"effect":[259],"on":[260]},"counts_by_year":[{"year":2024,"cited_by_count":1},{"year":2023,"cited_by_count":1},{"year":2022,"cited_by_count":1},{"year":2020,"cited_by_count":1},{"year":2019,"cited_by_count":1},{"year":2017,"cited_by_count":1},{"year":2015,"cited_by_count":1},{"year":2013,"cited_by_count":2}],"updated_date":"2026-09-26T08:19:03.415552","created_date":"2025-10-10T00:00:00"}
