{"id":{"repo_id":"cape-town","oai_identifier":"oai:open.uct.ac.za:11427/9372"},"canonical_url":"https://search.dev.ndltd.org/etd/cape-town/oai:open.uct.ac.za:11427/9372","repository":{"repo_id":"cape-town","name":"University of Cape Town","base_url":"https://open.uct.ac.za/oai/request"},"display":{"title":"The reproductive health effects of along term DDT exposure on malaria vector control workers in Northern Province, South Africa","abstract":"Metabolites of DDT (1, 1, 1-trichloro-2,2-bis(p-chlorophenyl)ethane), used in many developing countries including South Africa for the control of malaria vectors, have been shown to be endocrine disruptors in vitro and in vivo. The study hypothesis was that male vector control workers highly exposed to DDT in the past should demonstrate clinically significant exposure-related anti-androgenic and/or estrogenic effects reflected in abnormalities in hormone levels, semen, sexual function and fertility. A cross-sectional study of 60 workers from 3 camps situated near Malaria Control Center (MMC) in Tzaneen was performed.","abstract_html":"Metabolites of DDT (1, 1, 1-trichloro-2,2-bis(p-chlorophenyl)ethane), used in many developing countries including South Africa for the control of malaria vectors, have been shown to be endocrine disruptors in vitro and in vivo. The study hypothesis was that male vector control workers highly exposed to DDT in the past should demonstrate clinically significant exposure-related anti-androgenic and/or estrogenic effects reflected in abnormalities in hormone levels, semen, sexual function and fertility. A cross-sectional study of 60 workers from 3 camps situated near Malaria Control Center (MMC) in Tzaneen was performed.","abstract_has_math":false,"creators":["Dalvie, Mohamed Aqiel"],"institution":"Department of Public Health and Family Medicine","degree_name":null,"degree_level":null,"degree_discipline":null,"degree_department":null,"school":null,"contributors":[],"advisors":["Myers, Johnny"],"committee_chairs":[],"committee_members":[],"year":2002,"date_issued":"2002","date_published":"2002","updated_at":"2026-07-22T22:23:36Z","subjects":[],"languages":["eng"],"rights":[],"rights_urls":[],"identifier_entries":[]},"links":{"outbound_url":"http://hdl.handle.net/11427/9372","outbound_label":"Handle","outbound_source":"dc:identifier.uri"},"metadata_groups":[{"id":"people","label":"People","entries":[{"key":"dc:contributor.advisor","label":"Advisor","values":["Myers, Johnny"]},{"key":"dc:creator","label":"Author","values":["Dalvie, Mohamed Aqiel"]}]},{"id":"academic_context","label":"Academic Context","entries":[{"key":"dc:date.accessioned","label":"Dc Date Accessioned","values":["2014-11-08T08:06:28Z"]},{"key":"dc:date.available","label":"Dc Date Available","values":["2014-11-08T08:06:28Z"]},{"key":"dc:date.issued","label":"Date","values":["2002"]},{"key":"dc:publisher.department","label":"Dc Publisher Department","values":["Department of Public Health and Family Medicine"]},{"key":"dc:publisher.institution","label":"Dc Publisher Institution","values":["University of Cape Town"]},{"key":"dc:type","label":"Dc Type","values":["Doctoral Thesis"]},{"key":"dc:type.qualificationlevel","label":"Dc Type Qualificationlevel","values":["Doctoral"]},{"key":"dc:type.qualificationname","label":"Dc Type Qualificationname","values":["DPhil"]}]},{"id":"language_rights","label":"Language and Rights","entries":[{"key":"dc:language.iso","label":"Language (ISO)","values":["eng"]}]},{"id":"identifiers","label":"Identifiers","entries":[{"key":"dc:identifier.uri","label":"Identifier URI","values":["http://hdl.handle.net/11427/9372"]}]},{"id":"additional","label":"Additional Metadata","entries":[{"key":"dc:description","label":"Description","values":["Includes bibliographical references."]},{"key":"dc:description.abstract","label":"Abstract","values":["Metabolites of DDT (1, 1, 1-trichloro-2,2-bis(p-chlorophenyl)ethane), used in many developing countries including South Africa for the control of malaria vectors, have been shown to be endocrine disruptors in vitro and in vivo. The study hypothesis was that male vector control workers highly exposed to DDT in the past should demonstrate clinically significant exposure-related anti-androgenic and/or estrogenic effects reflected in abnormalities in hormone levels, semen, sexual function and fertility. A cross-sectional study of 60 workers from 3 camps situated near Malaria Control Center (MMC) in Tzaneen was performed."]},{"key":"dc:title","label":"Title","values":["The reproductive health effects of along term DDT exposure on malaria vector control workers in Northern Province, South Africa"]}]}],"canonical_facts":{"dc:contributor.advisor":["Myers, Johnny"],"dc:creator":["Dalvie, Mohamed Aqiel"],"dc:date.accessioned":["2014-11-08T08:06:28Z"],"dc:date.available":["2014-11-08T08:06:28Z"],"dc:date.issued":["2002"],"dc:description":["Includes bibliographical references."],"dc:description.abstract":["Metabolites of DDT (1, 1, 1-trichloro-2,2-bis(p-chlorophenyl)ethane), used in many developing countries including South Africa for the control of malaria vectors, have been shown to be endocrine disruptors in vitro and in vivo. The study hypothesis was that male vector control workers highly exposed to DDT in the past should demonstrate clinically significant exposure-related anti-androgenic and/or estrogenic effects reflected in abnormalities in hormone levels, semen, sexual function and fertility. A cross-sectional study of 60 workers from 3 camps situated near Malaria Control Center (MMC) in Tzaneen was performed."],"dc:identifier.uri":["http://hdl.handle.net/11427/9372"],"dc:language.iso":["eng"],"dc:publisher.department":["Department of Public Health and Family Medicine"],"dc:publisher.institution":["University of Cape Town"],"dc:title":["The reproductive health effects of along term DDT exposure on malaria vector control workers in Northern Province, South Africa"],"dc:type":["Doctoral Thesis"],"dc:type.qualificationlevel":["Doctoral"],"dc:type.qualificationname":["DPhil"]},"updated_at":"2026-07-22T22:23:36Z"}