{"id":"https://openalex.org/W2052394884","doi":"https://doi.org/10.1080/00324728.1967.10405469","title":"Breast Feeding, Fertility and Infant Mortality: An Analysis of some Early German Data","display_name":"Breast Feeding, Fertility and Infant Mortality: An Analysis of some Early German Data","publication_year":1967,"publication_date":"1967-09-01","ids":{"openalex":"https://openalex.org/W2052394884","doi":"https://doi.org/10.1080/00324728.1967.10405469","mag":"2052394884","pmid":"https://pubmed.ncbi.nlm.nih.gov/22085037"},"language":"en","primary_location":{"id":"doi:10.1080/00324728.1967.10405469","doi":"https://doi.org/10.1080/00324728.1967.10405469","is_oa":false,"landing_page_url":"https://doi.org/10.1080/00324728.1967.10405469","pdf_url":null,"source":{"id":"https://openalex.org/S202512192","display_name":"Population Studies","issn_l":"0032-4728","issn":["0032-4728","1477-4747"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["abdc-a","anvur-class-a","anvur-scientific","cwts-core","erih-plus","jufo-2","ki-jl-2","medline","norway-2","poland-100","russia-white-list-1","vabb-shw"],"host_organization":"https://openalex.org/P4310320547","host_organization_name":"Taylor & Francis","host_organization_lineage":["https://openalex.org/P4310320547","https://openalex.org/P4310320449"],"host_organization_lineage_names":["Taylor & Francis","Informa"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Population Studies","raw_type":"journal-article"},"volume":null,"type":"article","indexed_in":["crossref","pubmed"],"open_access":{"is_oa":false,"oa_status":"closed","oa_url":null,"any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5113440481","display_name":"John E. Knodel","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"John Knodel","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"last","author":{"id":"https://openalex.org/A5033009616","display_name":"\u00c9tienne van de Walle","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Etienne van de Walle","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]}],"institutions":[],"countries_distinct_count":0,"institutions_distinct_count":0,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":37.6572,"has_fulltext":false,"cited_by_count":98,"citation_normalized_percentile":{"value":0.99261702,"is_in_top_1_percent":true,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":88,"max":98},"biblio":{"volume":"21","issue":"2","first_page":"109","last_page":"109"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T13332","display_name":"Historical Studies on Reproduction, Gender, Health, and Societal Changes","score":0.63919997215271,"subfield":{"id":"https://openalex.org/subfields/1202","display_name":"History"},"field":{"id":"https://openalex.org/fields/12","display_name":"Arts and Humanities"},"domain":{"id":"https://openalex.org/domains/2","display_name":"Social Sciences"}},"topics":[{"id":"https://openalex.org/T13332","display_name":"Historical Studies on Reproduction, Gender, Health, and Societal Changes","score":0.63919997215271,"subfield":{"id":"https://openalex.org/subfields/1202","display_name":"History"},"field":{"id":"https://openalex.org/fields/12","display_name":"Arts and Humanities"},"domain":{"id":"https://openalex.org/domains/2","display_name":"Social Sciences"}},{"id":"https://openalex.org/T10979","display_name":"Breastfeeding Practices and Influences","score":0.249099999666214,"subfield":{"id":"https://openalex.org/subfields/2713","display_name":"Epidemiology"},"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/T10605","display_name":"Historical Economic and Social Studies","score":0.05739999935030937,"subfield":{"id":"https://openalex.org/subfields/2002","display_name":"Economics and Econometrics"},"field":{"id":"https://openalex.org/fields/20","display_name":"Economics, Econometrics and Finance"},"domain":{"id":"https://openalex.org/domains/2","display_name":"Social Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/breastfeeding","display_name":"breastfeeding","score":0.7099999785423279},{"id":"https://openalex.org/keywords/infant-mortality","display_name":"infant mortality","score":0.9800000190734863},{"id":"https://openalex.org/keywords/marital-fertility","display_name":"marital fertility","score":0.9129999876022339},{"id":"https://openalex.org/keywords/breastfeeding-duration","display_name":"breastfeeding duration","score":0.7080000042915344},{"id":"https://openalex.org/keywords/regional-variation","display_name":"regional variation","score":0.7480000257492065},{"id":"https://openalex.org/keywords/late-19th-century","display_name":"late 19th century","score":0.7260000109672546},{"id":"https://openalex.org/keywords/early-20th-century","display_name":"early 20th century","score":0.9739999771118164},{"id":"https://openalex.org/keywords/germany","display_name":"Germany","score":0.4690000116825104},{"id":"https://openalex.org/keywords/infant-feeding-practices","display_name":"infant feeding practices","score":0.3630000054836273}],"concepts":[{"id":"https://openalex.org/C518429986","wikidata":"https://www.wikidata.org/wiki/Q964401","display_name":"Fertility","level":3,"score":0.8364682197570801},{"id":"https://openalex.org/C112299071","wikidata":"https://www.wikidata.org/wiki/Q835884","display_name":"Infant mortality","level":3,"score":0.6885422468185425},{"id":"https://openalex.org/C3020294031","wikidata":"https://www.wikidata.org/wiki/Q174876","display_name":"Breast feeding","level":2,"score":0.6605870723724365},{"id":"https://openalex.org/C149923435","wikidata":"https://www.wikidata.org/wiki/Q37732","display_name":"Demography","level":1,"score":0.6439071893692017},{"id":"https://openalex.org/C154775046","wikidata":"https://www.wikidata.org/wiki/Q188","display_name":"German","level":2,"score":0.5663249492645264},{"id":"https://openalex.org/C2776283161","wikidata":"https://www.wikidata.org/wiki/Q174876","display_name":"Breastfeeding","level":2,"score":0.4154050350189209},{"id":"https://openalex.org/C71924100","wikidata":"https://www.wikidata.org/wiki/Q11190","display_name":"Medicine","level":0,"score":0.35914814472198486},{"id":"https://openalex.org/C187212893","wikidata":"https://www.wikidata.org/wiki/Q123028","display_name":"Pediatrics","level":1,"score":0.3000056743621826},{"id":"https://openalex.org/C2908647359","wikidata":"https://www.wikidata.org/wiki/Q2625603","display_name":"Population","level":2,"score":0.2699519991874695},{"id":"https://openalex.org/C205649164","wikidata":"https://www.wikidata.org/wiki/Q1071","display_name":"Geography","level":0,"score":0.20940068364143372},{"id":"https://openalex.org/C144024400","wikidata":"https://www.wikidata.org/wiki/Q21201","display_name":"Sociology","level":0,"score":0.06543579697608948},{"id":"https://openalex.org/C166957645","wikidata":"https://www.wikidata.org/wiki/Q23498","display_name":"Archaeology","level":1,"score":0.0}],"mesh":[],"locations_count":3,"locations":[{"id":"doi:10.1080/00324728.1967.10405469","doi":"https://doi.org/10.1080/00324728.1967.10405469","is_oa":false,"landing_page_url":"https://doi.org/10.1080/00324728.1967.10405469","pdf_url":null,"source":{"id":"https://openalex.org/S202512192","display_name":"Population Studies","issn_l":"0032-4728","issn":["0032-4728","1477-4747"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["abdc-a","anvur-class-a","anvur-scientific","cwts-core","erih-plus","jufo-2","ki-jl-2","medline","norway-2","poland-100","russia-white-list-1","vabb-shw"],"host_organization":"https://openalex.org/P4310320547","host_organization_name":"Taylor & Francis","host_organization_lineage":["https://openalex.org/P4310320547","https://openalex.org/P4310320449"],"host_organization_lineage_names":["Taylor & Francis","Informa"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Population Studies","raw_type":"journal-article"},{"id":"doi:10.2307/2172715","doi":"https://doi.org/10.2307/2172715","is_oa":false,"landing_page_url":"https://doi.org/10.2307/2172715","pdf_url":null,"source":{"id":"https://openalex.org/S202512192","display_name":"Population Studies","issn_l":"0032-4728","issn":["0032-4728","1477-4747"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["abdc-a","anvur-class-a","anvur-scientific","cwts-core","erih-plus","jufo-2","ki-jl-2","medline","norway-2","poland-100","russia-white-list-1","vabb-shw"],"host_organization":"https://openalex.org/P4310320547","host_organization_name":"Taylor & Francis","host_organization_lineage":["https://openalex.org/P4310320547","https://openalex.org/P4310320449"],"host_organization_lineage_names":["Taylor & Francis","Informa"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Population Studies","raw_type":"journal-article"},{"id":"pmid:22085037","doi":null,"is_oa":false,"landing_page_url":"https://pubmed.ncbi.nlm.nih.gov/22085037","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":"Population studies","raw_type":"Journal Article"}],"best_oa_location":null,"sustainable_development_goals":[{"score":0.8048999905586243,"display_name":"Good health and well-being","id":"https://metadata.un.org/sdg/3"},{"score":0.40450000762939453,"display_name":"Zero hunger","id":"https://metadata.un.org/sdg/2"}],"sustainable_development_goals_aurora":[{"score":0.7400000095367432,"display_name":"Good health and well-being","id":"https://metadata.un.org/sdg/3"}],"study_designs":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":11,"referenced_works":["https://openalex.org/W64325371","https://openalex.org/W1599239936","https://openalex.org/W1652160265","https://openalex.org/W2025322481","https://openalex.org/W2033475174","https://openalex.org/W2037830047","https://openalex.org/W2042349405","https://openalex.org/W2087533336","https://openalex.org/W2089361564","https://openalex.org/W2340843527","https://openalex.org/W2797475603"],"related_works":["https://openalex.org/W1543895854","https://openalex.org/W2079258868","https://openalex.org/W2026848146","https://openalex.org/W7100238353","https://openalex.org/W2319921862","https://openalex.org/W604327802","https://openalex.org/W1969672504","https://openalex.org/W4389419208","https://openalex.org/W1991658251","https://openalex.org/W2125064926"],"abstract_inverted_index":{"Abstract":[0],"Concern":[1],"about":[2,20],"high":[3,97],"infant":[4,88,98,125],"mortality":[5,89,99,126],"and":[6,33,43,65,90,100,109],"its":[7],"suspected":[8],"connection":[9,84],"with":[10,85,124,128],"the":[11,16,21,30,39,58,67,71,94,101],"lack":[12],"of":[13,18,23,60,70,80,87,103],"breast-feeding":[14,24,45,108],"stimulated":[15],"collection":[17],"statistics":[19,86],"frequency":[22],"in":[25,57,66,83],"several":[26],"German":[27],"states":[28],"during":[29],"late":[31],"roth":[32],"early":[34],"20th":[35],"centuries.":[36],"Contrary":[37],"to":[38,118],"assumption":[40],"that":[41],"universal":[42],"extended":[44],"is":[46,112],"customary":[47],"among":[48],"rural":[49],"agricultural":[50],"populations,":[51],"large":[52],"regional":[53],"variations":[54],"existed":[55],"both":[56],"proportion":[59],"children":[61],"who":[62],"were":[63,76],"breast-fed":[64],"average":[68],"duration":[69],"period":[72],"for":[73],"which":[74],"they":[75],"breast-fed.":[77],"An":[78,105],"analysis":[79],"these":[81],"data":[82],"marital":[91],"fertility":[92,116],"confirms":[93],"association":[95],"between":[96],"absence":[102],"breast-feeding.":[104,129],"hypothesis":[106],"linking":[107],"fertility,":[110],"however,":[111],"not":[113],"confirmed.":[114],"Marital":[115],"appears":[117],"be":[119],"much":[120],"more":[121],"closely":[122],"associated":[123],"than":[127]},"counts_by_year":[{"year":2026,"cited_by_count":1},{"year":2025,"cited_by_count":1},{"year":2024,"cited_by_count":1},{"year":2022,"cited_by_count":4},{"year":2021,"cited_by_count":1},{"year":2020,"cited_by_count":4},{"year":2019,"cited_by_count":1},{"year":2018,"cited_by_count":5},{"year":2017,"cited_by_count":2},{"year":2015,"cited_by_count":3},{"year":2014,"cited_by_count":1},{"year":2013,"cited_by_count":1},{"year":2012,"cited_by_count":2}],"updated_date":"2026-10-14T16:39:01.820549","created_date":"2016-06-24T00:00:00"}