Abstract:
BACKGROUND:Associations between physical activity (PA) intensity and volume and adolescents' cardiometabolic health have research, policy, and practice implications. This study compares associations between cardiometabolic risk factors and 1) moderate-to-vigorous PA (MVPA) minutes versus total PA volume (accelerometer-derived total activity counts, TAC) and 2) light PA volume (counts at light intensity, L-TAC) versus moderate-to-vigorous PA volume (counts at moderate-to-vigorous intensity, MV-TAC). METHODS:2105 adolescents from 2003- 2006 NHANES were included. Independent variables were MVPA minutes, TAC, L-TAC, and MV-TAC. Regression models tested associations between PA variables and continuous metabolic risk index (CMRI), waist circumference, systolic and diastolic blood pressure, HDL, insulin, and triglycerides. RESULTS:TAC demonstrated a slightly stronger inverse association with CMRI (P = .004) than did MVPA (P = .013). TAC and MVPA were both associated with systolic and diastolic pressure, HDL, and insulin; associations were similar or slightly stronger for TAC. L-TAC and MV-TAC were both associated with CMRI and HDL. Only L-TAC was associated with diastolic pressure. Only MV-TAC was associated with waist circumference, systolic pressure, and insulin. CONCLUSIONS:Compared with MVPA minutes, TAC demonstrates similar or slightly stronger associations with cardiometabolic risk factors. L-TAC and MV-TAC appear similarly associated with adolescents' clustered risk but differently associated with individual risk factors.
journal_name
J Phys Act Healthjournal_title
Journal of physical activity & healthauthors
Hatfield DP,Chomitz VR,Chui K,Sacheck J,Economos CDdoi
10.1123/jpah.2014-0418subject
Has Abstractpub_date
2015-09-01 00:00:00pages
1312-9issue
9eissn
1543-3080issn
1543-5474pii
2014-0418journal_volume
12pub_type
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journal_title:Journal of physical activity & health
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pub_type: 杂志文章,meta分析,评审
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pub_type: 杂志文章,随机对照试验
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pub_type: 杂志文章
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pub_type: 杂志文章
doi:10.1123/jpah.7.1.11
更新日期:2010-01-01 00:00:00
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journal_title:Journal of physical activity & health
pub_type: 杂志文章,随机对照试验
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更新日期:2010-05-01 00:00:00
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pub_type: 杂志文章
doi:10.1123/jpah.2013-0125
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journal_title:Journal of physical activity & health
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更新日期:2014-08-01 00:00:00
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journal_title:Journal of physical activity & health
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更新日期:2015-02-01 00:00:00
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journal_title:Journal of physical activity & health
pub_type: 杂志文章
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pub_type: 杂志文章
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更新日期:2015-04-01 00:00:00
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journal_title:Journal of physical activity & health
pub_type: 杂志文章
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更新日期:2012-11-01 00:00:00
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