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Data set II consists of molar wear measurements taken on 2D images of 103 of these monkeys' dental remains. Ordinal logistic regression was used to analyze the first data set. General linear models were used to analyze the second.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>Males generally exhibited more wear than females at equivalent chronological ages, though results varied by tooth type for the second data set. Male body weight in the full 1985 living sample was significantly related to dental wear, when age was taken into account; however, when males less than 8\u2009years of age were eliminated from the sample, the association between dental wear and weight became statistically insignificant. Analysis of the second data set suggested no statistically significant sex difference in dental wear for third molars, despite the approximately 2 year sex difference in eruption age for this tooth type.<\/jats:p><\/jats:sec><jats:sec><jats:title>Discussion<\/jats:title><jats:p>This study suggests that body weight in males might be a predictor of dental wear and that if it is, body weight might also influence sex differences in dental wear. Sex differences in dental eruption timing do not appear to explain sex differences in dental wear in this sample.<\/jats:p><\/jats:sec>","DOI":"10.1002\/ajpa.24519","type":"journal-article","created":{"date-parts":[[2022,3,30]],"date-time":"2022-03-30T07:47:37Z","timestamp":1648626457000},"page":"437-447","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":12,"title":["Male Cayo Santiago rhesus macaques (<i>Macaca mulatta<\/i>) tend to have greater molar wear than females at comparable ages: Exploring two possible reasons why"],"prefix":"10.1002","volume":"178","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-1345-5384","authenticated-orcid":false,"given":"Debbie","family":"Guatelli\u2010Steinberg","sequence":"first","affiliation":[{"name":"Department of Anthropology The Ohio State University  Columbus Ohio USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Taylor","family":"Guerrieri","sequence":"additional","affiliation":[{"name":"Department of Anthropology The Ohio State University  Columbus Ohio USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Terry B.","family":"Kensler","sequence":"additional","affiliation":[{"name":"Caribbean Primate Research Center University of Puerto Rico  San Juan Puerto Rico"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Elizabeth","family":"Maldonado","sequence":"additional","affiliation":[{"name":"Caribbean Primate Research Center University of Puerto Rico  San Juan Puerto Rico"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"George","family":"Francis","sequence":"additional","affiliation":[{"name":"Department of Biomedical Sciences Texas A&amp;M University College of Dentistry  Dallas Texas USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Luci A. 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