Abstract:
BACKGROUND:The exclusion of participants with invalid accelerometry data (IAD) may lead to biased results and/or lack of generalizability in large population studies. The purpose of this study was to investigate whether demographic, behavioral, and biological differences occur between those with IAD and valid accelerometry data (VAD) among adults using a representative sample of the civilian noninstitutionalized U.S. population. METHODS:Ambulatory participants from NHANES (2003-2004) who were 20-85 years of age were included in the current study and wore an ActiGraph 7164 accelerometer for 7 days. A "valid person" was defined as those with 4 or more days of at least 10+ hrs of monitoring per day. Among adults (20-85 yrs), 3088 participants provided VAD and 987 provided IAD. Demographic, behavioral, and biological information were obtained from the household interview or from data obtained in a mobile examination center. RESULTS:Differences were observed in age, BMI, ethnicity, education, smoking status, marital status, use of street drugs, current health status, HDL-cholesterol, C-reactive protein, self-reported vigorous physical activity, and plasma glucose levels between those with VAD and IAD. CONCLUSIONS:Investigators should take into consideration the potential cut-off bias in interpreting results based on data that excludes IAD participants.
journal_name
J Phys Act Healthjournal_title
Journal of physical activity & healthauthors
Loprinzi PD,Cardinal BJ,Crespo CJ,Brodowicz GR,Andersen RE,Smit Esubject
Has Abstractpub_date
2013-01-01 00:00:00pages
79-84issue
1eissn
1543-3080issn
1543-5474pii
2011-0038journal_volume
10pub_type
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更新日期:2008-03-01 00:00:00
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pub_type: 杂志文章
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pub_type: 杂志文章
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更新日期:2011-05-01 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:2009-07-01 00:00:00
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journal_title:Journal of physical activity & health
pub_type: 杂志文章,评审
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journal_title:Journal of physical activity & health
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journal_title:Journal of physical activity & health
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更新日期:2009-05-01 00:00:00
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journal_title:Journal of physical activity & health
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更新日期:2012-07-01 00:00:00
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journal_title:Journal of physical activity & health
pub_type: 杂志文章
doi:
更新日期:2012-03-01 00:00:00
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journal_title:Journal of physical activity & health
pub_type: 杂志文章,多中心研究
doi:10.1123/jpah.8.s1.s32
更新日期:2011-01-01 00:00:00
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journal_title:Journal of physical activity & health
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journal_title:Journal of physical activity & health
pub_type: 杂志文章,多中心研究
doi:10.1123/jpah.2011-0299
更新日期:2014-01-01 00:00:00
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journal_title:Journal of physical activity & health
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journal_title:Journal of physical activity & health
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journal_title:Journal of physical activity & health
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journal_title:Journal of physical activity & health
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更新日期:2010-09-01 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:2009-03-01 00:00:00
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journal_title:Journal of physical activity & health
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更新日期:2013-05-01 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:2015-12-01 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:2014-08-01 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:2019-05-01 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: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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更新日期:2014-07-01 00:00:00