{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,2,11]],"date-time":"2026-02-11T14:09:26Z","timestamp":1770818966821,"version":"3.50.1"},"reference-count":31,"publisher":"MDPI AG","issue":"1","license":[{"start":{"date-parts":[[2022,12,24]],"date-time":"2022-12-24T00:00:00Z","timestamp":1671840000000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["IJERPH"],"abstract":"<jats:p>The aim of this study was to determine the association between regular leisure-time physical activity (LTPA) and various body mass index (BMI) categories in Taiwanese young adults. A total of 10,802 young adults (18\u201344 years) were enrolled in a national telephone survey. The questionnaire data from this survey included socio-demographic characteristics, zip code of residence, LTPA behaviors, self-reported health status, and self-evaluated anthropometric measurements, which included height, body weight, and BMI. Regular and non-regular LTPA behaviors were defined as follows: (1) Regular LTPA: participants who reported breathing quickly and sweating when participating in 150\u2013300 min per week of moderate-intensity LTPA or 75\u2013150 min per week of vigorous-intensity LTPA. (2) Non-regular LTPA: the rest of the participants. The various BMI categories were defined as (1) underweight (BMI &lt; 18.5 kg\/m2), (2) normal weight (18.5 \u2264 BMI &lt; 24 kg\/m2), (3) overweight (24 \u2264 BMI &lt; 27 kg\/m2), and (4) obese (BMI \u2265 27 kg\/m2). When compared with participants with non-regular LTPA, participants with regular LTPA exhibited lower risks of being overweight (odds ratio [OR], 0.837; 95% confidence interval [CI] 0.738\u20130.948) and underweight (OR, 0.732; 95% CI 0.611\u20130.876). However, there was no significant relationship between regular LTPA and obesity risk when using non-regular LTPA as the baseline after adjusting for potential confounders. The study results revealed that regular LTPA effectively reduced the risks of being underweight and overweight. However, for people with obesity, regular LTPA was unable to significantly decrease their obesity risk.<\/jats:p>","DOI":"10.3390\/ijerph20010284","type":"journal-article","created":{"date-parts":[[2022,12,27]],"date-time":"2022-12-27T04:35:43Z","timestamp":1672115743000},"page":"284","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":9,"title":["Relationship between Regular Leisure-Time Physical Activity and Underweight and Overweight Status in Taiwanese Young Adults: A Cross-Sectional Study"],"prefix":"10.3390","volume":"20","author":[{"given":"Chyi","family":"Liang","sequence":"first","affiliation":[{"name":"Graduate Institute of Sport, Leisure and Hospitality Management, National Taiwan Normal University, Taipei City 106, Taiwan"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Po-Fu","family":"Lee","sequence":"additional","affiliation":[{"name":"Department of Leisure Industry and Health Promotion, National Ilan University, Yilan County 260, Taiwan"},{"name":"College of Humanities and Management, National Ilan University, Yilan County 260, Taiwan"},{"name":"Exercise and Recreation Development Center, National Ilan University, Yilan County 260, Taiwan"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Ping-Chun","family":"Yeh","sequence":"additional","affiliation":[{"name":"Graduate Institute of Business Administration, Fu Jen Catholic University, New Taipei City 242, Taiwan"},{"name":"Sports Medicine Center, Fu Jen Catholic University Hospital, New Taipei City 243, Taiwan"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"1968","published-online":{"date-parts":[[2022,12,24]]},"reference":[{"key":"ref_1","unstructured":"World Health Organization (2016). 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