Genetic and Environmental Influences on Vigorous Exercise in South Korean Adolescent and Young Adult Twins
Twin studies of physical exercise for Asian twins are sparse. This study aimed to examine genetic and environmental influences on frequency of vigorous exercise (FVE) in South Korean twins, with a special emphasis on sex effects. Telephone interviews on FVE were administered to 1757 twins (mean age...
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| description | Twin studies of physical exercise for Asian twins are sparse. This study aimed to examine genetic and environmental influences on frequency of vigorous exercise (FVE) in South Korean twins, with a special emphasis on sex effects. Telephone interviews on FVE were administered to 1757 twins (mean age = 19.05 years, SD = 3.01 years). Tetrachoric correlations were significantly different between monozygotic (MZ) and dizygotic (DZ) twins in males (.40 vs. .12), but they were similar in females (.44 vs. .45), suggesting the importance of genetic factors in FVE in males and that of common environmental factors in females. A scalar sex-limitation model incorporating age as a modifier was applied to data. The results revealed that genetic, common and individual environmental influences did not vary significantly with age, but differed across two sexes, confirming twin correlational analyses. In the best-fitting model, additive genetic and individual environmental influences on FVE were, respectively, .35 (95% CI [.26, .39]) and .65 (95% CI [.61, .74]) in males, and common and individual environmental influences were, respectively, .45 (95% CI [.35, .53]) and .55 (95% CI [.47, .65]) in females. These results contrasted starkly with recent findings from a large sample of Chinese adult twins (age >18 years), in which most variance (≥95%) of vigorous physical activity was attributable to common environmental influences in both sexes. Replications in other Asian samples are clearly needed. |
| doi_str_mv | 10.1017/thg.2021.6 |
| format | Article |
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This study aimed to examine genetic and environmental influences on frequency of vigorous exercise (FVE) in South Korean twins, with a special emphasis on sex effects. Telephone interviews on FVE were administered to 1757 twins (mean age = 19.05 years, SD = 3.01 years). Tetrachoric correlations were significantly different between monozygotic (MZ) and dizygotic (DZ) twins in males (.40 vs. .12), but they were similar in females (.44 vs. .45), suggesting the importance of genetic factors in FVE in males and that of common environmental factors in females. A scalar sex-limitation model incorporating age as a modifier was applied to data. The results revealed that genetic, common and individual environmental influences did not vary significantly with age, but differed across two sexes, confirming twin correlational analyses. In the best-fitting model, additive genetic and individual environmental influences on FVE were, respectively, .35 (95% CI [.26, .39]) and .65 (95% CI [.61, .74]) in males, and common and individual environmental influences were, respectively, .45 (95% CI [.35, .53]) and .55 (95% CI [.47, .65]) in females. These results contrasted starkly with recent findings from a large sample of Chinese adult twins (age >18 years), in which most variance (≥95%) of vigorous physical activity was attributable to common environmental influences in both sexes. Replications in other Asian samples are clearly needed.</description><identifier>ISSN: 1832-4274</identifier><identifier>EISSN: 1839-2628</identifier><identifier>DOI: 10.1017/thg.2021.6</identifier><identifier>PMID: 33736728</identifier><language>eng</language><publisher>Cambridge, UK: Cambridge University Press</publisher><subject>Adolescent ; Adult ; Age ; Asians - genetics ; Child development ; Environmental factors ; Exercise ; Female ; Females ; Gender differences ; Genetic factors ; Health promotion ; Humans ; Liability ; Male ; Males ; Physical activity ; Physical fitness ; Physical training ; Republic of Korea ; Sexes ; Twin studies ; Twins ; Twins, Dizygotic - genetics ; Twins, Monozygotic - genetics ; Young Adult ; Young adults</subject><ispartof>Twin research and human genetics, 2021-04, Vol.24 (2), p.116-122</ispartof><rights>The Author(s), 2021. Published by Cambridge University</rights><rights>The Author(s), 2021. Published by Cambridge University. This work is licensed under the Creative Commons Attribution License This is an Open Access article, distributed under the terms of the Creative Commons Attribution-NonCommercial-NoDerivatives licence (http://creativecommons.org/licenses/by/4.0/), which permits non-commercial re-use, distribution, and reproduction in any medium, provided the original work is unaltered and is properly cited. The written permission of Cambridge University Press must be obtained for commercial re-use or in order to create a derivative work. (the “License”). 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This study aimed to examine genetic and environmental influences on frequency of vigorous exercise (FVE) in South Korean twins, with a special emphasis on sex effects. Telephone interviews on FVE were administered to 1757 twins (mean age = 19.05 years, SD = 3.01 years). Tetrachoric correlations were significantly different between monozygotic (MZ) and dizygotic (DZ) twins in males (.40 vs. .12), but they were similar in females (.44 vs. .45), suggesting the importance of genetic factors in FVE in males and that of common environmental factors in females. A scalar sex-limitation model incorporating age as a modifier was applied to data. The results revealed that genetic, common and individual environmental influences did not vary significantly with age, but differed across two sexes, confirming twin correlational analyses. In the best-fitting model, additive genetic and individual environmental influences on FVE were, respectively, .35 (95% CI [.26, .39]) and .65 (95% CI [.61, .74]) in males, and common and individual environmental influences were, respectively, .45 (95% CI [.35, .53]) and .55 (95% CI [.47, .65]) in females. These results contrasted starkly with recent findings from a large sample of Chinese adult twins (age >18 years), in which most variance (≥95%) of vigorous physical activity was attributable to common environmental influences in both sexes. Replications in other Asian samples are clearly needed.</description><subject>Adolescent</subject><subject>Adult</subject><subject>Age</subject><subject>Asians - genetics</subject><subject>Child development</subject><subject>Environmental factors</subject><subject>Exercise</subject><subject>Female</subject><subject>Females</subject><subject>Gender differences</subject><subject>Genetic factors</subject><subject>Health promotion</subject><subject>Humans</subject><subject>Liability</subject><subject>Male</subject><subject>Males</subject><subject>Physical activity</subject><subject>Physical fitness</subject><subject>Physical training</subject><subject>Republic of Korea</subject><subject>Sexes</subject><subject>Twin studies</subject><subject>Twins</subject><subject>Twins, Dizygotic - genetics</subject><subject>Twins, Monozygotic - genetics</subject><subject>Young Adult</subject><subject>Young adults</subject><issn>1832-4274</issn><issn>1839-2628</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2021</creationdate><recordtype>article</recordtype><sourceid>IKXGN</sourceid><sourceid>EIF</sourceid><sourceid>BENPR</sourceid><recordid>eNptkUFLHDEUx0NRumq99AOUgBeRzjbJy05mjrKsW1HwoC14Ckkms5tlJrHJjNpv36irBfGUR_i9X97LH6GvlEwpoeLHsF5NGWF0Wn5Ce7SCumAlq3aea1ZwJvgE7ae0IQQErclnNAEQUApW7aHN0no7OIOVb_DC37sYfG_9oDp87ttutN7YhIPHv90qxDAmvHi00bhksfP4OozDGl-EaJXHp03obDK5-Vl2G0a_ypdjN-CbB-fTF7Tbqi7Zw-15gH6dLW7mP4vLq-X5_PSyMMDFULC2rfWMMMN51ZC2qetKGwMKtCINKNGoSnGiNdNVKUreEm2INRRqKEGZlsEBOn7x3sXwZ7RpkL3LY3Wd8jYvINmMAIeqhllGj96hmzBGn6eTTACpZ1xQkamTF8rEkFK0rbyLrlfxr6REPiUgcwLyKQFZZvjbVjnq3jZv6OuXZ-D71qZ6HV2zsv8f_cD3DyVWkJw</recordid><startdate>202104</startdate><enddate>202104</enddate><creator>Hur, Yoon-Mi</creator><general>Cambridge University Press</general><scope>IKXGN</scope><scope>CGR</scope><scope>CUY</scope><scope>CVF</scope><scope>ECM</scope><scope>EIF</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>8FD</scope><scope>8FE</scope><scope>8FH</scope><scope>AFKRA</scope><scope>AZQEC</scope><scope>BBNVY</scope><scope>BENPR</scope><scope>BHPHI</scope><scope>CCPQU</scope><scope>DWQXO</scope><scope>FR3</scope><scope>GNUQQ</scope><scope>HCIFZ</scope><scope>LK8</scope><scope>M7P</scope><scope>P64</scope><scope>PQEST</scope><scope>PQQKQ</scope><scope>PQUKI</scope><scope>RC3</scope><scope>7X8</scope></search><sort><creationdate>202104</creationdate><title>Genetic and Environmental Influences on Vigorous Exercise in South Korean Adolescent and Young Adult Twins</title><author>Hur, Yoon-Mi</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c347t-2ff9b502c448d0fd998bcc3a3ba0d3a7da8a40bb2b86764f0bc0ec139363acf23</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2021</creationdate><topic>Adolescent</topic><topic>Adult</topic><topic>Age</topic><topic>Asians - 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This study aimed to examine genetic and environmental influences on frequency of vigorous exercise (FVE) in South Korean twins, with a special emphasis on sex effects. Telephone interviews on FVE were administered to 1757 twins (mean age = 19.05 years, SD = 3.01 years). Tetrachoric correlations were significantly different between monozygotic (MZ) and dizygotic (DZ) twins in males (.40 vs. .12), but they were similar in females (.44 vs. .45), suggesting the importance of genetic factors in FVE in males and that of common environmental factors in females. A scalar sex-limitation model incorporating age as a modifier was applied to data. The results revealed that genetic, common and individual environmental influences did not vary significantly with age, but differed across two sexes, confirming twin correlational analyses. 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| subjects | Adolescent Adult Age Asians - genetics Child development Environmental factors Exercise Female Females Gender differences Genetic factors Health promotion Humans Liability Male Males Physical activity Physical fitness Physical training Republic of Korea Sexes Twin studies Twins Twins, Dizygotic - genetics Twins, Monozygotic - genetics Young Adult Young adults |
| title | Genetic and Environmental Influences on Vigorous Exercise in South Korean Adolescent and Young Adult Twins |
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