{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,8,18]],"date-time":"2026-08-18T01:19:44Z","timestamp":1787015984388,"version":"build-2736575974"},"reference-count":36,"publisher":"Wiley","issue":"2","license":[{"start":{"date-parts":[[2020,2,3]],"date-time":"2020-02-03T00:00:00Z","timestamp":1580688000000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"funder":[{"DOI":"10.13039\/501100006706","name":"Tampereen Tuberkuloosis\u00e4\u00e4ti\u00f6","doi-asserted-by":"publisher","id":[{"id":"10.13039\/501100006706","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Paediatric Perinatal Epid"],"published-print":{"date-parts":[[2020,3]]},"abstract":"<jats:title>Abstract<\/jats:title>\n                  <jats:sec>\n                    <jats:title>Background<\/jats:title>\n                    <jats:p>Recent data suggest that early\u2010term births are associated with later respiratory morbidity (LRTI), and post\u2010term births may decrease this risk.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Objectives<\/jats:title>\n                    <jats:p>The objective was to determine the impact of early\u2010term, late\u2010term, and post\u2010term birth on hospital admission for LRTI up to the age of seven years. Additionally, we explored maternal and perinatal factors associated with the risk of admission for LRTIs.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Methods<\/jats:title>\n                    <jats:p>\n                      The association of early\u2010term (37\n                      <jats:sup>+0<\/jats:sup>\n                      \u201038\n                      <jats:sup>+6<\/jats:sup>\n                      \u00a0weeks), late\u2010term (41\n                      <jats:sup>+0<\/jats:sup>\n                      \u201041\n                      <jats:sup>+6<\/jats:sup>\n                      \u00a0weeks), and post\u2010term (\u226542\u00a0weeks) birth with hospital admissions for lower respiratory tract infections (\n                      <jats:styled-content style=\"fixed-case\">LRTI<\/jats:styled-content>\n                      ) in comparison with infants born full\u2010term (39\n                      <jats:sup>+0<\/jats:sup>\n                      \u201040\n                      <jats:sup>+6<\/jats:sup>\n                      \u00a0weeks) was assessed and early predictors of\n                      <jats:styled-content style=\"fixed-case\">LRTI<\/jats:styled-content>\n                      were established. The register study included 948\u00a0695 infants born in Finland in 1991\u20102008. Data were analysed in four\u2010term subgroups. Hospital admissions for bronchiolitis\/bronchitis and pneumonia were collected up to 7\u00a0years of age. Adjusted Cox proportional hazards models were used to assess risk factors of\n                      <jats:styled-content style=\"fixed-case\">LRTI<\/jats:styled-content>\n                      admissions.\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>\n                      The rates of hospital admission in the early\u2010, full\u2010, late\u2010, and post\u2010term groups were 6.7%, 5.5%, 5.1%, and 4.8% for bronchiolitis\/bronchitis, and 2.8%, 2.4%, 2.3%, and 2.3% for pneumonia. Early\u2010term birth was associated with an increased risk of admission for bronchiolitis\/bronchitis (hazard ratio\n                      <jats:styled-content style=\"fixed-case\">HR<\/jats:styled-content>\n                      1.21, 95% confidence interval\n                      <jats:styled-content style=\"fixed-case\">CI<\/jats:styled-content>\n                      1.18, 1.23) and pneumonia (\n                      <jats:styled-content style=\"fixed-case\">HR<\/jats:styled-content>\n                      1.16, 95%\n                      <jats:styled-content style=\"fixed-case\">CI<\/jats:styled-content>\n                      1.12, 1.20), while late\u2010term (\n                      <jats:styled-content style=\"fixed-case\">HR<\/jats:styled-content>\n                      0.93, 95%\n                      <jats:styled-content style=\"fixed-case\">CI<\/jats:styled-content>\n                      0.91, 0.95) and post\u2010term births (\n                      <jats:styled-content style=\"fixed-case\">HR<\/jats:styled-content>\n                      0.89, 95%\n                      <jats:styled-content style=\"fixed-case\">CI<\/jats:styled-content>\n                      0.85, 0.93) were associated with a decreased risk of bronchiolitis\/bronchitis admission compared with the full\u2010term group. Maternal age\u00a0\u2264\u00a020\u00a0years, smoking during pregnancy, male sex, caesarean delivery, small for gestational age, 1\u2010minute Apgar score\u00a0&lt;\u00a04, ventilator support, and neonatal antibiotic therapy were associated with an increased risk of\n                      <jats:styled-content style=\"fixed-case\">LRTI<\/jats:styled-content>\n                      admission, while being firstborn, born in a level\u2010\n                      <jats:styled-content style=\"fixed-case\">II<\/jats:styled-content>\n                      hospital and in the Northern region was associated with decreased risk.\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusion<\/jats:title>\n                    <jats:p>\n                      Early\u2010term birth was associated with a higher risk of all\n                      <jats:styled-content style=\"fixed-case\">LRTI<\/jats:styled-content>\n                      admissions while late\u2010term and post\u2010term births were associated with lower risk of bronchiolitis\/bronchitis admission. Modifiable risk factors of\n                      <jats:styled-content style=\"fixed-case\">LRTI<\/jats:styled-content>\n                      s were smoking during pregnancy, birth by elective caesarean delivery, neonatal ventilator support, and antibiotic therapy.\n                    <\/jats:p>\n                  <\/jats:sec>","DOI":"10.1111\/ppe.12631","type":"journal-article","created":{"date-parts":[[2020,2,3]],"date-time":"2020-02-03T08:17:36Z","timestamp":1580717856000},"page":"139-149","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":9,"title":["Hospital admissions for lower respiratory tract infections after early\u2010, late\u2010, and post\u2010term birth"],"prefix":"10.1111","volume":"34","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-9699-1547","authenticated-orcid":false,"given":"Paula","family":"Haataja","sequence":"first","affiliation":[{"name":"Department of Pediatrics Tampere University Hospital Tampere Finland"},{"name":"Tampere Center for Child Health Research Tampere University Tampere Finland"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"P\u00e4ivi","family":"Korhonen","sequence":"additional","affiliation":[{"name":"Department of Pediatrics Tampere University Hospital Tampere Finland"},{"name":"Tampere Center for Child Health Research Tampere University Tampere Finland"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Riitta","family":"Ojala","sequence":"additional","affiliation":[{"name":"Department of Pediatrics Tampere University Hospital Tampere Finland"},{"name":"Tampere Center for Child Health Research Tampere University Tampere Finland"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Mikko","family":"Hirvonen","sequence":"additional","affiliation":[{"name":"Tampere Center for Child Health Research Tampere University Tampere Finland"},{"name":"Central Finland Health Care District Jyv\u00e4skyl\u00e4 Finland"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Matti","family":"Korppi","sequence":"additional","affiliation":[{"name":"Tampere Center for Child Health Research Tampere University Tampere Finland"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Mika","family":"Gissler","sequence":"additional","affiliation":[{"name":"Information Services Department Finnish Institute for Health and Welfare Helsinki Finland"},{"name":"Research Centre for Child Psychiatry University of Turku Turku Finland"},{"name":"Division of Family Medicine Department of Neurobiology, Care Sciences and Society Karolinska Institute Stockholm Sweden"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Tiina","family":"Luukkaala","sequence":"additional","affiliation":[{"name":"School of Health Sciences Faculty of Social Sciences Tampere University Tampere Finland"},{"name":"Research, Innovation and Development Centre Tampere University Hospital Tampere Finland"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Outi","family":"Tammela","sequence":"additional","affiliation":[{"name":"Department of Pediatrics Tampere University Hospital Tampere Finland"},{"name":"Tampere Center for Child Health Research Tampere University Tampere Finland"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","published-online":{"date-parts":[[2020,2,3]]},"reference":[{"key":"e_1_2_7_2_1","doi-asserted-by":"publisher","DOI":"10.1055\/s-0035-1571150"},{"key":"e_1_2_7_3_1","doi-asserted-by":"publisher","DOI":"10.1001\/jama.2013.6235"},{"key":"e_1_2_7_4_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.prrv.2015.12.002"},{"key":"e_1_2_7_5_1","doi-asserted-by":"publisher","DOI":"10.1136\/archdischild-2015-309584"},{"key":"e_1_2_7_6_1","doi-asserted-by":"publisher","DOI":"10.1136\/archdischild-2015-308553"},{"key":"e_1_2_7_7_1","doi-asserted-by":"publisher","DOI":"10.1080\/14767058.2017.1420773"},{"key":"e_1_2_7_8_1","doi-asserted-by":"publisher","DOI":"10.1136\/bmj.e896"},{"key":"e_1_2_7_9_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.jaci.2015.05.005"},{"key":"e_1_2_7_10_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.jpeds.2013.09.057"},{"key":"e_1_2_7_11_1","doi-asserted-by":"publisher","DOI":"10.1002\/ppul.23942"},{"key":"e_1_2_7_12_1","doi-asserted-by":"publisher","DOI":"10.1111\/ppe.12273"},{"key":"e_1_2_7_13_1","doi-asserted-by":"publisher","DOI":"10.1016\/S0140-6736(12)61901-1"},{"key":"e_1_2_7_14_1","doi-asserted-by":"publisher","DOI":"10.1002\/ppul.23908"},{"issue":"18","key":"e_1_2_7_15_1","first-page":"1540","article-title":"Characteristic of recent fetal growth curves in Finland","volume":"105","author":"Pihkala J","year":"1989","journal-title":"Duodecim"},{"key":"e_1_2_7_16_1","unstructured":"Acute Lower Respiratory Tract Infection in Children (online). 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