{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,8,18]],"date-time":"2026-08-18T01:11:30Z","timestamp":1787015490245,"version":"build-2736575974"},"reference-count":32,"publisher":"Wiley","issue":"11","license":[{"start":{"date-parts":[[2017,7,11]],"date-time":"2017-07-11T00:00:00Z","timestamp":1499731200000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"funder":[{"name":"Central Finland Health Care District and Pirkanmaa Hospital District","award":["9R051"],"award-info":[{"award-number":["9R051"]}]},{"name":"Arvo and Lea Ylpp\u00f6 Foundation","award":["201610031"],"award-info":[{"award-number":["201610031"]}]}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["J intellect Disabil Res"],"published-print":{"date-parts":[[2017,11]]},"abstract":"<jats:title>Abstract<\/jats:title>\n                  <jats:sec>\n                    <jats:title>Background<\/jats:title>\n                    <jats:p>Prematurity has been shown to be associated with an increased risk of intellectual disability (ID).<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Method<\/jats:title>\n                    <jats:p>\n                      The aim was to establish whether the prevalence of ID, defined as significant limitations in both intellectual (intelligence quotient below 70) and adaptive functioning among moderately preterm (MP; 32\n                      <jats:sup>+0<\/jats:sup>\n                      \u201333\n                      <jats:sup>+6<\/jats:sup>\n                      \u00a0weeks) and late preterm (LP; 34\n                      <jats:sup>+0<\/jats:sup>\n                      \u201336\n                      <jats:sup>+6<\/jats:sup>\n                      \u00a0weeks) infants, is increased compared with that in term infants (\u226537\n                      <jats:sup>+0<\/jats:sup>\n                      \u00a0weeks). Antenatal and neonatal risk factors for ID among gestational age groups were sought. The national register study included all live\u2010born infants in Finland in 1991\u20132008, excluding those who died before one year age, or had any major congenital anomaly or missing data. A total of 1\u00a0018\u00a0256 infants (98.0%) were analysed: very preterm (VP; &lt;32\n                      <jats:sup>+0<\/jats:sup>\n                      \u00a0weeks,\n                      <jats:italic>n<\/jats:italic>\n                      \u00a0=\u00a06329), MP (\n                      <jats:italic>n<\/jats:italic>\n                      \u00a0=\u00a06796), LP (\n                      <jats:italic>n<\/jats:italic>\n                      \u00a0=\u00a039\u00a0928) and term (\n                      <jats:italic>n<\/jats:italic>\n                      \u00a0=\u00a0965\u00a0203).\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>By the age of seven years, the prevalence of ID was 2.48% in the VP group, 0.81% in the MP group, 0.55% in the LP group and 0.35% in the term group. Intracranial haemorrhage increased the ID risk in all groups. Male sex and born small for gestational age predicted an increased risk in all but the MP group.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusions<\/jats:title>\n                    <jats:p>The prevalence of ID decreased with increasing gestational age. Prevention of intracranial haemorrhages may have a beneficial effect on the neurodevelopmental outcomes of neonates.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1111\/jir.12394","type":"journal-article","created":{"date-parts":[[2017,7,11]],"date-time":"2017-07-11T23:22:06Z","timestamp":1499815326000},"page":"1034-1054","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":29,"title":["Intellectual disability in children aged less than seven years born moderately and late preterm compared with very preterm and term\u2010born children \u2013 a nationwide birth cohort study"],"prefix":"10.1111","volume":"61","author":[{"given":"M.","family":"Hirvonen","sequence":"first","affiliation":[{"name":"Department of Pediatrics Central Finland Central Hospital  Jyv\u00e4skyl\u00e4 Finland"},{"name":"Department of Pediatrics Tampere University Hospital  Tampere Finland"},{"name":"Tampere Center for Child Health Research University of Tampere  Tampere Finland"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"R.","family":"Ojala","sequence":"additional","affiliation":[{"name":"Department of Pediatrics Tampere University Hospital  Tampere Finland"},{"name":"Tampere Center for Child Health Research University of Tampere  Tampere Finland"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"P.","family":"Korhonen","sequence":"additional","affiliation":[{"name":"Department of Pediatrics Tampere University Hospital  Tampere Finland"},{"name":"Tampere Center for Child Health Research University of Tampere  Tampere Finland"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"P.","family":"Haataja","sequence":"additional","affiliation":[{"name":"Department of Pediatrics Tampere University Hospital  Tampere Finland"},{"name":"Tampere Center for Child Health Research University of Tampere  Tampere Finland"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"K.","family":"Eriksson","sequence":"additional","affiliation":[{"name":"Department of Pediatrics Tampere University Hospital  Tampere Finland"},{"name":"Tampere Center for Child Health Research University of Tampere  Tampere Finland"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"K.","family":"Rantanen","sequence":"additional","affiliation":[{"name":"Department of Pediatrics Tampere University Hospital  Tampere Finland"},{"name":"School of Social Sciences and Humanities, Psychology Clinic University of Tampere  Tampere Finland"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"M.","family":"Gissler","sequence":"additional","affiliation":[{"name":"Information Services Department National Institute for Health and Welfare  Helsinki Finland"},{"name":"Research Centre for Child Psychiatry University of Turku  Turku Finland"},{"name":"Department of Neurobiology, Care Sciences and Society, Division of Family Medicine Karolinska Institute  Stockholm Sweden"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"T.","family":"Luukkaala","sequence":"additional","affiliation":[{"name":"Science Center Pirkanmaa Hospital District  Tampere Finland"},{"name":"School of Health Sciences University of Tampere  Tampere Finland"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"O.","family":"Tammela","sequence":"additional","affiliation":[{"name":"Department of Pediatrics Tampere University Hospital  Tampere Finland"},{"name":"Tampere Center for Child Health Research University of Tampere  Tampere Finland"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","published-online":{"date-parts":[[2017,7,11]]},"reference":[{"key":"e_1_2_10_2_1","volume-title":"The Bayley Scales of Infant Development","author":"Bayley N.","year":"1993"},{"key":"e_1_2_10_3_1","doi-asserted-by":"publisher","DOI":"10.1352\/1944-7558-118.2.156"},{"key":"e_1_2_10_4_1","doi-asserted-by":"publisher","DOI":"10.1111\/j.1365-3016.2009.01056.x"},{"key":"e_1_2_10_5_1","doi-asserted-by":"publisher","DOI":"10.1016\/S0378-3732(97)00034-9"},{"key":"e_1_2_10_6_1","doi-asserted-by":"publisher","DOI":"10.1352\/0895-8017(2008)113[102:PHATTS]2.0.CO;2"},{"key":"e_1_2_10_7_1","doi-asserted-by":"publisher","DOI":"10.1111\/j.1471-0528.2011.03045.x"},{"key":"e_1_2_10_8_1","doi-asserted-by":"publisher","DOI":"10.1186\/s12875-015-0329-3"},{"key":"e_1_2_10_9_1","doi-asserted-by":"publisher","DOI":"10.1542\/peds.107.6.e86"},{"key":"e_1_2_10_10_1","doi-asserted-by":"crossref","first-page":"547","DOI":"10.1542\/peds.97.4.547","article-title":"The relationship between idiopathic mental retardation and maternal smoking during pregnancy","volume":"97","author":"Drews C. 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