{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,6,30]],"date-time":"2026-06-30T19:00:26Z","timestamp":1782846026131,"version":"3.54.5"},"reference-count":94,"publisher":"JMIR Publications Inc.","content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["JMIR Res Protoc"],"abstract":"<jats:sec>\n                    <jats:title>Background<\/jats:title>\n                    <jats:p>Physical activity (PA) during the waking period and sleep during pregnancy may mitigate the increased risk for adverse pregnancy outcomes posed by gestational diabetes mellitus (GDM) and excessive gestational weight gain (GWG) in pregnant individuals with pre-pregnancy overweight and obesity. Recent studies have conceptualized PA, sedentary behavior, and sleep as part of a 24-hour movement framework; however, there is a gap in the knowledge about the relationship between 24-hour movement and pregnancy outcomes.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Objective<\/jats:title>\n                    <jats:p>This paper describes the study protocol for the 24MOVE study, a prospective cohort study that examines associations between 24-hour movement profiles across pregnancy and maternal glucose tolerance, GWG, and infant birthweight.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Methods<\/jats:title>\n                    <jats:p>Participants (N=306) were recruited from a large, integrated health care delivery system at 10 weeks\u2019 gestation. In early (10-12 weeks), mid- (20-22 weeks), and late (33-35 weeks) pregnancy, all eligible individuals with a pre-pregnancy BMI of \u226525 kg\/m2 completed online surveys collecting information about sociodemographic characteristics and pregnancy symptoms and behaviors, including sleep quality. Participants concurrently wore a research-grade accelerometer for 24 hours per day for 7 consecutive days to capture movement, sedentary behavior, and sleep data. Data from accelerometry will be processed to create 24-hour movement profiles. Pregnancy outcomes will be ascertained from electronic health records (EHRs). We will use compositional data analysis (CoDA) methods, modeling associations of reallocations of time from one component behavior to another at various timepoints with outcomes.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>Recruitment began on March 19, 2023, and ended on September 11, 2024. Enrollment was completed on September 19, 2024. Data collection was completed in April 2025. Over an 18-month recruitment period, 2035 individuals were invited to participate, and of those, 306 (15%) eligible participants were enrolled in this study. The enrolled cohort had a median age of 33 (quintile 1 [Q1]-quintile 3 [Q3] 30-36) years and a median BMI of 28.8 (Q1-Q3 26.9-32.7) kg\/m\u00b2. Most participants had private insurance (n=266, 86.9%) and were multiparous (n=232, 75.8%). Analyses are in progress.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusions<\/jats:title>\n                    <jats:p>The 24MOVE study is designed to address gaps in our knowledge of the impact of 24-hour movement during pregnancy on maternal glucose metabolism, GWG, and other risk factors for childhood obesity, such as a high birthweight. Data from this study will also serve as a rich resource for future investigations of 24-hour movement profiles and behavior substitutions and other perinatal mental and physical health outcomes.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>International Registered Report Identifier (IRRID)<\/jats:title>\n                    <jats:p>DERR1-10.2196\/72828<\/jats:p>\n                  <\/jats:sec>","DOI":"10.2196\/72828","type":"journal-article","created":{"date-parts":[[2025,7,4]],"date-time":"2025-07-04T03:40:08Z","timestamp":1751600408000},"page":"e72828","source":"Crossref","is-referenced-by-count":0,"title":["Measuring 24-hour Movement Profiles During Pregnancy: Protocol for the 24MOVE Prospective Cohort Study"],"prefix":"10.2196","volume":"14","author":[{"ORCID":"https:\/\/orcid.org\/0009-0003-2577-1848","authenticated-orcid":false,"given":"Elizabeth","family":"Ryan","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0009-0001-8708-6796","authenticated-orcid":false,"given":"Alex","family":"Asera","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-4986-7927","authenticated-orcid":false,"given":"Kelley Pettee","family":"Gabriel","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-2829-8892","authenticated-orcid":false,"given":"Rachel","family":"Manber","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-8272-9126","authenticated-orcid":false,"given":"Charles P","family":"Quesenberry","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-8748-0614","authenticated-orcid":false,"given":"Lyndsay A","family":"Avalos","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-1768-0412","authenticated-orcid":false,"given":"Monique M","family":"Hedderson","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-2868-4067","authenticated-orcid":false,"given":"Sylvia E","family":"Badon","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"1010","published-online":{"date-parts":[[2025,9,15]]},"reference":[{"key":"ref1","doi-asserted-by":"publisher","DOI":"10.1186\/s12955-022-02011-y"},{"key":"ref2","doi-asserted-by":"publisher","DOI":"10.1111\/j.1471-0528.2006.00989.x"},{"key":"ref3","doi-asserted-by":"publisher","DOI":"10.1111\/j.1467-789X.2008.00541.x"},{"key":"ref4","doi-asserted-by":"publisher","DOI":"10.1016\/j.ajog.2014.02.030"},{"key":"ref5","doi-asserted-by":"publisher","DOI":"10.1186\/s12884-019-2472-7"},{"key":"ref6","doi-asserted-by":"publisher","DOI":"10.1016\/S0140-6736(09)60731-5"},{"key":"ref7","doi-asserted-by":"publisher","DOI":"10.2337\/diacare.25.10.1862"},{"key":"ref8","doi-asserted-by":"publisher","DOI":"10.1016\/j.ajog.2004.11.039"},{"key":"ref9","doi-asserted-by":"publisher","DOI":"10.1007\/s11892-014-0489-x"},{"key":"ref10","doi-asserted-by":"publisher","DOI":"10.2337\/dc07-1596"},{"key":"ref11","doi-asserted-by":"publisher","DOI":"10.1093\/ije\/dyx151"},{"key":"ref12","doi-asserted-by":"publisher","DOI":"10.1111\/1471-0528.15661"},{"key":"ref13","doi-asserted-by":"publisher","DOI":"10.1371\/journal.pmed.1002744"},{"key":"ref14","doi-asserted-by":"publisher","DOI":"10.1016\/j.earlhumdev.2017.03.006"},{"key":"ref15","doi-asserted-by":"publisher","DOI":"10.1007\/s10995-016-1955-7"},{"key":"ref16","doi-asserted-by":"publisher","DOI":"10.1038\/ijo.2009.101"},{"key":"ref17","unstructured":"Physical Activity Guidelines Advisory CommitteeSection F, chapter 8. 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