{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,7]],"date-time":"2026-10-07T16:24:11Z","timestamp":1791390251800,"version":"4.3.3"},"reference-count":14,"publisher":"American Public Health Association","issue":"3","content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Am J Public Health"],"published-print":{"date-parts":[[1992,3]]},"abstract":"<jats:p> BACKGROUND. The strong association between birth weight and perinatal mortality is due both to gestational age and to factors unrelated to gestational age. Conventional analysis obscures these separate contributions to perinatal mortality, and overemphasizes the role of birth weight. An alternative approach is used here to separate gestational age from other factors. METHODS. Data are from 400,000 singleton births in the Norwegian Medical Birth Registry. The method of Wilcox and Russell is used to distinguish the contributions to perinatal mortality made by gestational age and by relative birth weight at each gestational age. RESULTS. Gestational age is a powerful predictor of birth weight and perinatal survival. After these effects of gestational age are controlled for, relative birth weight retains a strong association with survival. CONCLUSIONS. Current public health policies in the United States emphasize the prevention of low birth weight. The present analysis suggests that the prevention of early delivery would benefit babies of all birth weights. <\/jats:p>","DOI":"10.2105\/ajph.82.3.378","type":"journal-article","created":{"date-parts":[[2008,11,29]],"date-time":"2008-11-29T13:17:08Z","timestamp":1227964628000},"page":"378-382","source":"Crossref","is-referenced-by-count":197,"title":["Birth weight and perinatal mortality: the effect of gestational age."],"prefix":"10.2105","volume":"82","author":[{"given":"A J","family":"Wilcox","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"R","family":"Skjaerven","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"844","reference":[{"key":"p_1","doi-asserted-by":"publisher","DOI":"10.1093\/ije\/15.2.188"},{"key":"p_2","doi-asserted-by":"publisher","DOI":"10.1016\/S0022-3476(05)81638-5"},{"key":"p_3","doi-asserted-by":"crossref","unstructured":"Gruenwald P. Growth of the human fetus: I. normal growth and its variation. Am J Obstet GynecoL 1966;94:1112-1119.","DOI":"10.1016\/0002-9378(66)90774-5"},{"key":"p_4","doi-asserted-by":"crossref","unstructured":"Milner RDG, Richards B. An analysis of birth weight by gestational age of infants born in England and Wales, 1967 to 1971.J Obstet Gynecol Br Commonwealth 1974;81:956-967.","DOI":"10.1111\/j.1471-0528.1974.tb00414.x"},{"key":"p_5","doi-asserted-by":"crossref","unstructured":"Skjwrven R, Wilcox AJ, Russell D. Birthweight and perinatal mortality of second births conditional on weight of the first. Int JEpidemioL 1988;17:830-838.","DOI":"10.1093\/ije\/17.4.830"},{"key":"p_6","doi-asserted-by":"crossref","unstructured":"Wilcox AJ, Russell IT. Birthweight and perinatal mortality: I. on the frequency distnrbution of birthweight. Int J EpidemioL 1983;12:314-318.","DOI":"10.1093\/ije\/12.3.314"},{"key":"p_7","doi-asserted-by":"crossref","unstructured":"WilcoxAJ, Russell IT. Birthweight and perinatal mortality: II. on weight-specific mortality. IntJEpidemioL 1983;12:319-325.","DOI":"10.1093\/ije\/12.3.319"},{"key":"p_8","doi-asserted-by":"publisher","DOI":"10.1016\/0378-3782(83)90001-4"},{"key":"p_9","doi-asserted-by":"crossref","unstructured":"Susser M, Marolla FA, Fleiss J. Birth weight, fetal age and perinatal mortality. Am JEpidemioL 1972;96:197-204.","DOI":"10.1093\/oxfordjournals.aje.a121448"},{"key":"p_10","doi-asserted-by":"crossref","unstructured":"McCormick MC. The contribution of low birth weight to infant mortality and childhood morbidity. New Engl J MedL 1985; 312:82-90.","DOI":"10.1056\/NEJM198501103120204"},{"key":"p_11","doi-asserted-by":"crossref","unstructured":"Skjanven R, Bakketeig LS. Classification of small-for-gestational-age births: weightby-gestation standards of second birth conditional on the size of the first. 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Washington, DC: National Academy Press; 1985."}],"container-title":["American Journal of Public Health"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/ajph.aphapublications.org\/doi\/pdf\/10.2105\/AJPH.82.3.378","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2022,5,9]],"date-time":"2022-05-09T18:23:04Z","timestamp":1652120584000},"score":1,"resource":{"primary":{"URL":"https:\/\/ajph.aphapublications.org\/doi\/full\/10.2105\/AJPH.82.3.378"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[1992,3]]},"references-count":14,"journal-issue":{"issue":"3","published-print":{"date-parts":[[1992,3]]}},"alternative-id":["10.2105\/AJPH.82.3.378"],"URL":"https:\/\/doi.org\/10.2105\/ajph.82.3.378","relation":{},"ISSN":["0090-0036","1541-0048"],"issn-type":[{"value":"0090-0036","type":"print"},{"value":"1541-0048","type":"electronic"}],"subject":[],"published":{"date-parts":[[1992,3]]}}}