{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,1,29]],"date-time":"2026-01-29T00:20:21Z","timestamp":1769646021600,"version":"3.49.0"},"reference-count":53,"publisher":"Wiley","issue":"1","license":[{"start":{"date-parts":[[2026,1,7]],"date-time":"2026-01-07T00:00:00Z","timestamp":1767744000000},"content-version":"vor","delay-in-days":6,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"},{"start":{"date-parts":[[2026,1,1]],"date-time":"2026-01-01T00:00:00Z","timestamp":1767225600000},"content-version":"tdm","delay-in-days":0,"URL":"http:\/\/doi.wiley.com\/10.1002\/tdm_license_1.1"}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["American J Hum Biol"],"published-print":{"date-parts":[[2026,1]]},"abstract":"<jats:title>ABSTRACT<\/jats:title>\n                  <jats:sec>\n                    <jats:title>Introduction<\/jats:title>\n                    <jats:p>Birth weight (BW) is a key indicator of intrauterine growth, influenced by maternal and environmental factors, including geographic altitude. This study analyzes the influence of maternal and socio\u2010environmental factors on BW between 1991 and 2014 in the province of Jujuy, Argentina.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Methods<\/jats:title>\n                    <jats:p>A total of 310\u2009793 live births in Jujuy were analyzed, grouped by maternal region of residence. Mean BW was estimated, and the percentage distribution of maternal and gestational variables was described. Three\u2010level generalized linear models were applied to assess the association between BW and these variables, accounting for longitudinal and spatial variability.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>\n                      Mean BW was lower in high\u2010altitude regions, with an adjusted difference of ~150\u2009g between highlands and lowlands (\n                      <jats:italic>p<\/jats:italic>\n                      \u2009&lt;\u20090.001). Preterm births, adolescent mothers, and mothers not cohabiting with a partner were associated with lower average BW, while post\u2010term births or mothers with lower educational attainment had higher BW. Adjusted models confirmed differential patterns by altitude, highlighting significant effects (\n                      <jats:italic>p<\/jats:italic>\n                      \u2009&lt;\u20090.001) of maternal and gestational factors.\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusion<\/jats:title>\n                    <jats:p>In Jujuy, between 1991 and 2014, BW showed a significant association with geographic altitude and maternal factors such as age, marital status, and gestational age, with regional variations. Understanding and addressing these interactions is essential to reduce maternal and neonatal morbidity and mortality.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1002\/ajhb.70196","type":"journal-article","created":{"date-parts":[[2026,1,8]],"date-time":"2026-01-08T07:25:13Z","timestamp":1767857113000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["Maternal and Environmental Influence on Birth Weight in Jujuy, Argentina (1991\u20132014)"],"prefix":"10.1002","volume":"38","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-8910-6810","authenticated-orcid":false,"given":"Gabriela Beatriz","family":"Revollo","sequence":"first","affiliation":[{"name":"Instituto de Biolog\u00eda de la Altura (INBIAL), Universidad Nacional de Jujuy  San Salvador de Jujuy Jujuy Argentina"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-3478-3969","authenticated-orcid":false,"given":"Marcelo Isidro","family":"Figueroa","sequence":"additional","affiliation":[{"name":"Instituto de Ecorregiones Andinas (INECOA), Consejo Nacional de Investigaciones Cient\u00edficas y T\u00e9cnicas (CONICET), Universidad Nacional de Jujuy  San Salvador de Jujuy Jujuy Argentina"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-1679-0727","authenticated-orcid":false,"given":"Jos\u00e9 Edgardo","family":"Dipierri","sequence":"additional","affiliation":[{"name":"Instituto de Ecorregiones Andinas (INECOA), Consejo Nacional de Investigaciones Cient\u00edficas y T\u00e9cnicas (CONICET), Universidad Nacional de Jujuy  San Salvador de Jujuy Jujuy Argentina"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-5207-4253","authenticated-orcid":false,"given":"Mar\u00eda del Pilar","family":"D\u00edaz","sequence":"additional","affiliation":[{"name":"Laboratorio de Epidemiolog\u00eda Ambiental del C\u00e1ncer y otras enfermedades Cr\u00f3nicas (LEACC), Facultad de Ciencias M\u00e9dicas. Instituto de Investigaciones en Ciencias de la Salud (INICSA), Consejo Nacional de Investigaciones Cient\u00edficas y T\u00e9cnicas (CONICET), Universidad Nacional de C\u00f3rdoba  C\u00f3rdoba Argentina"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-8960-7826","authenticated-orcid":false,"given":"Emma Laura Alfaro","family":"G\u00f3mez","sequence":"additional","affiliation":[{"name":"Instituto de Biolog\u00eda de la Altura (INBIAL), Universidad Nacional de Jujuy  San Salvador de Jujuy Jujuy Argentina"},{"name":"Instituto de Ecorregiones Andinas (INECOA), Consejo Nacional de Investigaciones Cient\u00edficas y T\u00e9cnicas (CONICET), Universidad Nacional de Jujuy  San Salvador de Jujuy Jujuy Argentina"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"311","published-online":{"date-parts":[[2026,1,7]]},"reference":[{"issue":"6","key":"e_1_2_9_2_1","article-title":"Variaci\u00f3n Altitudinal del Peso al Nacer en la Provincia de Jujuy","volume":"100","author":"Alvarez D. 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