Please use this identifier to cite or link to this item:
http://hdl.handle.net/10397/62307
DC Field | Value | Language |
---|---|---|
dc.contributor | School of Nursing | - |
dc.creator | Lee, PH | - |
dc.date.accessioned | 2016-12-19T09:00:06Z | - |
dc.date.available | 2016-12-19T09:00:06Z | - |
dc.identifier.uri | http://hdl.handle.net/10397/62307 | - |
dc.language.iso | en | en_US |
dc.publisher | Frontiers Research Foundation | en_US |
dc.rights | Copyright © 2016 Lee. This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY) (https://creativecommons.org/licenses/by/4.0/). The use, distribution or reproduction in other forums is permitted, provided the original author(s) or licensor are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms. | en_US |
dc.rights | The following publication Lee PH (2016) Examining Non-Linear Associations between Accelerometer-Measured Physical Activity, Sedentary Behavior, and All-Cause Mortality Using Segmented Cox Regression. Front. Physiol. 7:272,1-10 is available at https://dx.doi.org/10.3389/fphys.2016.00272 | en_US |
dc.subject | Dose-response relationship | en_US |
dc.subject | Exercise | en_US |
dc.subject | Public health | en_US |
dc.subject | Restricted cubic spline | en_US |
dc.subject | Sitting | en_US |
dc.subject | Survival analysis | en_US |
dc.title | Examining non-linear associations between accelerometer-measured physical activity, sedentary behavior, and all-cause mortality using segmented cox regression | en_US |
dc.type | Journal/Magazine Article | en_US |
dc.identifier.spage | 1 | en_US |
dc.identifier.epage | 10 | en_US |
dc.identifier.volume | 7 | en_US |
dc.identifier.doi | 10.3389/fphys.2016.00272 | en_US |
dcterms.abstract | Healthy adults are advised to perform at least 150 min of moderate-intensity physical activity weekly, but this advice is based on studies using self-reports of questionable validity. This study examined the dose-response relationship of accelerometer-measured physical activity and sedentary behaviors on all-cause mortality using segmented Cox regression to empirically determine the break-points of the dose-response relationship. Data from 7006 adult participants aged 18 or above in the National Health and Nutrition Examination Survey waves 2003-2004 and 2005-2006 were included in the analysis and linked with death certificate data using a probabilistic matching approach in the National Death Index through December 31, 2011. Physical activity and sedentary behavior were measured using ActiGraph model 7164 accelerometer over the right hip for 7 consecutive days. Each minute with accelerometer count <100; 1952-5724; and >= 5725 were classified as sedentary, moderate-intensity physical activity, and vigorous-intensity physical activity, respectively. Segmented Cox regression was used to estimate the hazard ratio (HR) of time spent in sedentary behaviors, moderate-intensity physical activity, and vigorous-intensity physical activity and all-cause mortality, adjusted for demographic characteristics, health behaviors, and health conditions. Data were analyzed in 2016. During 47,119 person-year of follow-up, 608 deaths occurred. Each additional hour per day of sedentary behaviors was associated with a HR of 1.15 (95% CI 1.01, 1.31) among participants who spend at least 10.9 h per day on sedentary behaviors, and each additional minute per day spent on moderate-intensity physical activity was associated with a HR of 0.94 (95% CI 0.91, 0.96) among participants with daily moderate-intensity physical activity >= 14.1 min. Associations of moderate physical activity and sedentary behaviors on all-cause mortality were independent of each other. To conclude, evidence from this study supported at least 15 min per day of moderate-intensity physical activity and no more than 10.9 h per day of sedentary behaviors as recommendations to reduce all-cause mortality. | - |
dcterms.accessRights | open access | en_US |
dcterms.bibliographicCitation | Frontiers in physiology, 29 June 2016, v. 7, 272, p. 1-10 | - |
dcterms.isPartOf | Frontiers in physiology | - |
dcterms.issued | 2016-06-29 | - |
dc.identifier.isi | WOS:000378927700001 | - |
dc.identifier.pmid | 27445859 | - |
dc.identifier.eissn | 1664-042X | en_US |
dc.identifier.artn | 272 | en_US |
dc.identifier.rosgroupid | 2015004547 | - |
dc.description.ros | 2015-2016 > Academic research: refereed > Publication in refereed journal | en_US |
dc.description.oa | Version of Record | en_US |
dc.identifier.FolderNumber | OA_IR/PIRA | en_US |
dc.description.pubStatus | Published | en_US |
Appears in Collections: | Journal/Magazine Article |
Files in This Item:
File | Description | Size | Format | |
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Lee_Non-linear_Accelerometer-measured_Activity.pdf | 1.2 MB | Adobe PDF | View/Open |
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