{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,8]],"date-time":"2026-09-08T18:07:27Z","timestamp":1788890847736,"version":"build-2803163510"},"reference-count":17,"publisher":"Oxford University Press (OUP)","issue":"1","license":[{"start":{"date-parts":[[2026,8,20]],"date-time":"2026-08-20T00:00:00Z","timestamp":1787184000000},"content-version":"vor","delay-in-days":231,"URL":"https:\/\/creativecommons.org\/licenses\/by-nc\/4.0\/"}],"funder":[{"DOI":"10.13039\/100008250","name":"Northwestern University Feinberg School of Medicine","doi-asserted-by":"publisher","id":[{"id":"10.13039\/100008250","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/100000062","name":"National Institute of Diabetes and Digestive and Kidney Diseases award","doi-asserted-by":"crossref","award":["R01DK125749"],"award-info":[{"award-number":["R01DK125749"]}],"id":[{"id":"10.13039\/100000062","id-type":"DOI","asserted-by":"crossref"}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":[],"published-print":{"date-parts":[[2026,1,7]]},"abstract":"<jats:title>Abstract<\/jats:title>\n                  <jats:sec>\n                    <jats:title>Background<\/jats:title>\n                    <jats:p>Behavioral weight loss studies often enroll more females than males despite similar obesity prevalence. There is a paucity of experimental evidence on recruitment strategies to attract male participants in behavioral trials broadly and in weight management trials, specifically.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Methods<\/jats:title>\n                    <jats:p>We examined 4 theory and evidence-based advertising messages and 4 recruitment modalities (mailing, emailing, Facebook, and Spotify) in three iterative waves during a decentralized longitudinal randomized controlled trial comparing 2 behavioral weight loss interventions.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>The number of ad clicks and web screens completed did not appear to differ among the messages. Facebook was the most cost-effective overall ($32.86 per recruited person) with the highest proportion of male interest when the message was tailored and campaigns were set to target males (79%), but mailing produced the higher total rate of potential participants screened and garnered a higher proportion of male interest overall (23% average across all waves), albeit it at greater cost.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusions<\/jats:title>\n                    <jats:p>Social media is a cost-efficient recruitment avenue, although it may reduce the ability to assemble a representative sample. Future studies should formally experiment with recruitment to inform robust recommendations.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1093\/abm\/kaag047","type":"journal-article","created":{"date-parts":[[2026,8,6]],"date-time":"2026-08-06T11:51:24Z","timestamp":1786017084000},"source":"Crossref","is-referenced-by-count":0,"title":["Can targeted recruitment methods affect male participation in weight loss interventions and trials?"],"prefix":"10.1093","volume":"60","author":[{"given":"Ivelina","family":"Arnaoudova","sequence":"first","affiliation":[{"name":"Department of Psychology, Emory University, Atlanta, GA 30322, United States"},{"name":"Department of Preventive Medicine, Northwestern University Feinberg School of Medicine, Chicago, IL 60611,","place":["United States"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Alice","family":"Pham","sequence":"additional","affiliation":[{"name":"Department of Preventive Medicine, Northwestern University Feinberg School of Medicine, Chicago, IL 60611,","place":["United States"]},{"name":"Department of Dermatology, Northwestern University Feinberg School of Medicine, Chicago, IL 60611, United States"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Laura","family":"Scanlan","sequence":"additional","affiliation":[{"name":"Department of Preventive Medicine, Northwestern University Feinberg School of Medicine, Chicago, IL 60611,","place":["United States"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Charlie","family":"Olvera","sequence":"additional","affiliation":[{"name":"Department of Preventive Medicine, Northwestern University Feinberg School of Medicine, Chicago, IL 60611,","place":["United States"]},{"name":"Division of Geriatrics, Northwestern University Feinberg School of Medicine, Chicago, IL 60611,","place":["United States"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Alexis","family":"Hernandez","sequence":"additional","affiliation":[{"name":"Department of Preventive Medicine, Northwestern University Feinberg School of Medicine, Chicago, IL 60611,","place":["United States"]},{"name":"College of Education, Health, and Human Science, The University of Tennessee, Knoxville, TN 37996,","place":["United States"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-0081-4090","authenticated-orcid":false,"given":"Angela Fidler","family":"Pfammatter","sequence":"additional","affiliation":[{"name":"Department of Preventive Medicine, Northwestern University Feinberg School of Medicine, Chicago, IL 60611,","place":["United States"]},{"name":"College of Education, Health, and Human Science, The University of Tennessee, Knoxville, TN 37996,","place":["United States"]}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"286","published-online":{"date-parts":[[2026,8,19]]},"reference":[{"key":"2026090813172517500_kaag047-B1","volume-title":"Adult Obesity Prevalence Maps","author":"Centers for Disease Control and Prevention","year":"2025"},{"key":"2026090813172517500_kaag047-B2","doi-asserted-by":"crossref","first-page":"e170","DOI":"10.1017\/cts.2023.597","article-title":"Decentralized clinical trials in the trial innovation network: value, strategies, and lessons learned","volume":"7","author":"Hanley","year":"2023","journal-title":"J Clin Transl Sci"},{"key":"2026090813172517500_kaag047-B3","doi-asserted-by":"crossref","first-page":"1343","DOI":"10.1186\/s12889-018-6179-x","article-title":"Do sex differences in reported weight loss intentions and behaviours persist across demographic characteristics and weight status in youth? 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