{"id":"https://openalex.org/W158984092","doi":null,"title":"[Case crossover studies: a conceptual and methodological approach].","display_name":"[Case crossover studies: a conceptual and methodological approach].","publication_year":2010,"publication_date":"2010-01-01","ids":{"openalex":"https://openalex.org/W158984092","mag":"158984092","pmid":"https://pubmed.ncbi.nlm.nih.gov/20422933"},"language":"es","primary_location":{"id":"pmid:20422933","doi":null,"is_oa":false,"landing_page_url":"https://pubmed.ncbi.nlm.nih.gov/20422933","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":"Gaceta medica de Mexico","raw_type":"Journal Article"},"volume":null,"type":"article","is_traditional":true,"indexed_in":["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/A5031562101","display_name":"Jorge Mart\u00edn-Rodr\u00edguez","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I4210128723","display_name":"Instituto Nacional de Salud P\u00fablica","ror":"https://ror.org/032y0n460","country_code":"MX","type":"government","lineage":["https://openalex.org/I4210095685","https://openalex.org/I4210128723"]}],"countries":["MX"],"is_corresponding":false,"raw_author_name":"Jorge Mart\u00edn-Rodr\u00edguez","raw_affiliation_strings":["Instituto Nacional de Salud P\u00fablica, Escuela de Salud P\u00fablica de M\u00e9xico, M\u00e9xico D.F., M\u00e9xico"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Instituto Nacional de Salud P\u00fablica, Escuela de Salud P\u00fablica de M\u00e9xico, M\u00e9xico D.F., M\u00e9xico","institution_ids":["https://openalex.org/I4210128723"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5022916802","display_name":"Cidronio Albavera-Hern\u00e1ndez","orcid":"https://orcid.org/0000-0002-3794-6487","observed_orcids":["https://orcid.org/0000-0002-3794-6487"]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Cidronio Albavera-Hern\u00e1ndez","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"last","author":{"id":"https://openalex.org/A5007606370","display_name":"Eduardo Salazar-Mart\u00ednez","orcid":"https://orcid.org/0000-0002-8050-6751","observed_orcids":["https://orcid.org/0000-0002-8050-6751"]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Eduardo Salazar-Mart\u00ednez","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":0.2579,"has_fulltext":false,"cited_by_count":2,"citation_normalized_percentile":{"value":0.59962259,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":88,"max":93},"biblio":{"volume":"146","issue":"1","first_page":"37","last_page":"43"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T14374","display_name":"Statistical Methods in Epidemiology","score":0.9976000189781189,"subfield":{"id":"https://openalex.org/subfields/2613","display_name":"Statistics and Probability"},"field":{"id":"https://openalex.org/fields/26","display_name":"Mathematics"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T14374","display_name":"Statistical Methods in Epidemiology","score":0.9976000189781189,"subfield":{"id":"https://openalex.org/subfields/2613","display_name":"Statistics and Probability"},"field":{"id":"https://openalex.org/fields/26","display_name":"Mathematics"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T14393","display_name":"Health, Environment, Cognitive Aging","score":0.0005000000237487257,"subfield":{"id":"https://openalex.org/subfields/2307","display_name":"Health, Toxicology and Mutagenesis"},"field":{"id":"https://openalex.org/fields/23","display_name":"Environmental Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10845","display_name":"Advanced Causal Inference Techniques","score":0.00019999999494757503,"subfield":{"id":"https://openalex.org/subfields/2613","display_name":"Statistics and Probability"},"field":{"id":"https://openalex.org/fields/26","display_name":"Mathematics"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/case-crossover-study","display_name":"case-crossover","score":0.8730000257492065},{"id":"https://openalex.org/keywords/acute-exposure","display_name":"acute exposure","score":0.6669999957084656},{"id":"https://openalex.org/keywords/intermittent-exposure","display_name":"intermittent exposure","score":0.8309999704360962},{"id":"https://openalex.org/keywords/precipitating-factors","display_name":"precipitating factors","score":0.7129999995231628},{"id":"https://openalex.org/keywords/induction-period","display_name":"induction period","score":0.9879999756813049},{"id":"https://openalex.org/keywords/control-period","display_name":"control period","score":0.968999981880188},{"id":"https://openalex.org/keywords/selection-bias","display_name":"selection bias","score":0.8450000286102295},{"id":"https://openalex.org/keywords/misclassification-bias","display_name":"misclassification bias","score":0.9800000190734863},{"id":"https://openalex.org/keywords/confounding","display_name":"confounding","score":0.9900000095367432},{"id":"https://openalex.org/keywords/overmatching","display_name":"overmatching","score":0.9850000143051147},{"id":"https://openalex.org/keywords/sample-size-calculation","display_name":"sample size determination","score":0.9150000214576721},{"id":"https://openalex.org/keywords/matched-case-control-studies","display_name":"matched case-control studies","score":0.7459999918937683}],"concepts":[{"id":"https://openalex.org/C77350462","wikidata":"https://www.wikidata.org/wiki/Q1125472","display_name":"Confounding","level":2,"score":0.7244230508804321},{"id":"https://openalex.org/C129848803","wikidata":"https://www.wikidata.org/wiki/Q2564360","display_name":"Sample size determination","level":2,"score":0.6230225563049316},{"id":"https://openalex.org/C40423286","wikidata":"https://www.wikidata.org/wiki/Q284172","display_name":"Selection bias","level":2,"score":0.5741370916366577},{"id":"https://openalex.org/C71924100","wikidata":"https://www.wikidata.org/wiki/Q11190","display_name":"Medicine","level":0,"score":0.4639095664024353},{"id":"https://openalex.org/C107130276","wikidata":"https://www.wikidata.org/wiki/Q133805","display_name":"Epidemiology","level":2,"score":0.4495861530303955},{"id":"https://openalex.org/C15708023","wikidata":"https://www.wikidata.org/wiki/Q80083","display_name":"Humanities","level":1,"score":0.353223592042923},{"id":"https://openalex.org/C105795698","wikidata":"https://www.wikidata.org/wiki/Q12483","display_name":"Statistics","level":1,"score":0.2016248106956482},{"id":"https://openalex.org/C138885662","wikidata":"https://www.wikidata.org/wiki/Q5891","display_name":"Philosophy","level":0,"score":0.1760527789592743},{"id":"https://openalex.org/C126322002","wikidata":"https://www.wikidata.org/wiki/Q11180","display_name":"Internal medicine","level":1,"score":0.15811949968338013},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.09709274768829346},{"id":"https://openalex.org/C142724271","wikidata":"https://www.wikidata.org/wiki/Q7208","display_name":"Pathology","level":1,"score":0.0}],"mesh":[{"descriptor_ui":"D015982","descriptor_name":"Bias","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D016022","descriptor_name":"Case-Control Studies","qualifier_ui":null,"qualifier_name":null,"is_major_topic":true},{"descriptor_ui":"D018592","descriptor_name":"Cross-Over Studies","qualifier_ui":null,"qualifier_name":null,"is_major_topic":true}],"locations_count":2,"locations":[{"id":"pmid:20422933","doi":null,"is_oa":false,"landing_page_url":"https://pubmed.ncbi.nlm.nih.gov/20422933","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":"Gaceta medica de Mexico","raw_type":"Journal Article"},{"id":"mag:158984092","doi":null,"is_oa":false,"landing_page_url":"https://pubmed.ncbi.nlm.nih.gov/20422933","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":null,"is_accepted":false,"is_published":false,"raw_source_name":"PubMed","raw_type":null}],"best_oa_location":null,"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/3","display_name":"Good health and well-being","score":0.9391000270843506}],"study_designs":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":45,"referenced_works":["https://openalex.org/W1188577298","https://openalex.org/W1965100172","https://openalex.org/W1970691724","https://openalex.org/W1972386085","https://openalex.org/W1977419457","https://openalex.org/W1977946411","https://openalex.org/W1979234845","https://openalex.org/W1996515118","https://openalex.org/W2002164571","https://openalex.org/W2002386572","https://openalex.org/W2004619795","https://openalex.org/W2016188851","https://openalex.org/W2035680539","https://openalex.org/W2039305196","https://openalex.org/W2068171202","https://openalex.org/W2077066808","https://openalex.org/W2078995063","https://openalex.org/W2081741595","https://openalex.org/W2082069528","https://openalex.org/W2088482166","https://openalex.org/W2095754157","https://openalex.org/W2106746114","https://openalex.org/W2126807025","https://openalex.org/W2130307710","https://openalex.org/W2136527705","https://openalex.org/W2136878958","https://openalex.org/W2138261644","https://openalex.org/W2138565033","https://openalex.org/W2139680632","https://openalex.org/W2144418705","https://openalex.org/W2146944890","https://openalex.org/W2150762393","https://openalex.org/W2152919494","https://openalex.org/W2153414793","https://openalex.org/W2154195842","https://openalex.org/W2159791080","https://openalex.org/W2165634083","https://openalex.org/W2165917968","https://openalex.org/W2171580596","https://openalex.org/W2178611307","https://openalex.org/W2319521698","https://openalex.org/W2326202155","https://openalex.org/W2497763996","https://openalex.org/W3149565423","https://openalex.org/W4296978221"],"related_works":["https://openalex.org/W2231094482","https://openalex.org/W2144418705","https://openalex.org/W2062834232","https://openalex.org/W2993333525","https://openalex.org/W2916722030","https://openalex.org/W7124592710","https://openalex.org/W4407307790","https://openalex.org/W2136527705","https://openalex.org/W7171921947","https://openalex.org/W2010627600"],"abstract_inverted_index":{"Case":[0],"crossover":[1],"studies":[2,80],"are":[3,149],"considered":[4],"as":[5,118,134],"a":[6,43,107,135,141,152],"variant":[7],"of":[8,45,57,90,143],"case":[9,70,114],"control":[10,73,121],"studies,":[11],"and":[12,72,95,99],"they":[13],"have":[14,27],"been":[15,29],"included":[16],"in":[17,31,79,122,145,151],"the":[18,85,112],"scientific":[19],"literature":[20],"since":[21],"approximately":[22],"eighteen":[23],"years":[24],"ago.":[25],"They":[26],"also":[28],"used":[30,117],"epidemiological":[32],"research":[33],"on":[34,81],"acute":[35],"or":[36,50,124],"intermittent":[37],"exposures":[38],"that":[39,104],"may":[40,92],"lead":[41],"to":[42],"number":[44],"events":[46],"including":[47],"heart":[48],"attack":[49],"cardiac":[51],"arrest,":[52],"injuries,":[53],"asthma,":[54],"etc.":[55],"Application":[56],"this":[58,88],"particular":[59],"study":[60,144],"design":[61,91],"requires":[62,106],"defining":[63],"concepts":[64],"such":[65],"as:":[66],"triggers,":[67],"induction":[68],"time,":[69],"period":[71],"period.":[74],"Its":[75],"use":[76],"is":[77,103,140],"limited":[78],"chronic":[82],"exposures.":[83],"On":[84],"other":[86],"hand,":[87],"type":[89,142],"reduce":[93],"selection":[94],"misclassification":[96],"bias,":[97],"confounding,":[98],"overmatching.":[100],"Another":[101],"advantage":[102],"it":[105],"small":[108],"sample":[109,128],"size":[110,129],"because":[111],"same":[113],"can":[115],"be":[116,132],"its":[119],"own":[120],"one":[123],"several":[125],"periods.":[126],"Nevertheless,":[127],"calculation":[130],"must":[131],"assessed":[133],"matched":[136],"case-control":[137],"study.":[138],"This":[139],"which":[146],"theoretical":[147],"principles":[148],"accomplished":[150],"sui":[153],"generis":[154],"manner.":[155]},"counts_by_year":[{"year":2014,"cited_by_count":1},{"year":2012,"cited_by_count":1}],"updated_date":"2026-11-04T10:54:05.112534","created_date":"2016-06-24T00:00:00"}