Validation of a Previous Day Recall Measuring Time Spent in Physically Active and Sedentary Behaviors
Test the validity of a PDR administered by phone against a valid reference measure. Adolescents (n=91; 12-17 yrs; 53% female) and adults (n=88; 18-71 yrs; 55% female) wore an activPAL (aPAL) for 7 days to measure sedentary (sit/lie) and active time (standing/stepping) and completed up to three PDRs....
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Veröffentlicht in: | Medicine and science in sports and exercise 2012-05, Vol.44 (5S), p.642-642 |
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creator | Matthews, Charles E Keadle, Sarah Sampson, Joshua Lyden, Kate Libertine, Amanda Bowles, Heather R Freedson, Patty S Fowke, Jay H |
description | Test the validity of a PDR administered by phone against a valid reference measure. Adolescents (n=91; 12-17 yrs; 53% female) and adults (n=88; 18-71 yrs; 55% female) wore an activPAL (aPAL) for 7 days to measure sedentary (sit/lie) and active time (standing/stepping) and completed up to three PDRs. Interviewers conducted PDRs eliciting open-ended reports of time spent sleeping and in specific active and sedentary behaviors at home, work/school and in the community. Bland-Altman methods and measurement error models evaluated PDR validity versus aPAL on days matched by date and observation time. Adolescents and adults reported 10.0 (SD=2.2) and 9.9 (SD=2.8) hr/d of sedentary time, and 4.2 (SD=1.8) and 5.2 (SD=2.6) hr/d of active time, respectively. Total PDR active and sedentary time was greater than aPAL wear time (difference=0.58 hr/d, p0.05) negative bias for active time in adolescents (bias=-0.27 (SD=1.37) hr/d) and adults (bias=-0.13 (SD=1.44) hr/d). |
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Adolescents (n=91; 12-17 yrs; 53% female) and adults (n=88; 18-71 yrs; 55% female) wore an activPAL (aPAL) for 7 days to measure sedentary (sit/lie) and active time (standing/stepping) and completed up to three PDRs. Interviewers conducted PDRs eliciting open-ended reports of time spent sleeping and in specific active and sedentary behaviors at home, work/school and in the community. Bland-Altman methods and measurement error models evaluated PDR validity versus aPAL on days matched by date and observation time. Adolescents and adults reported 10.0 (SD=2.2) and 9.9 (SD=2.8) hr/d of sedentary time, and 4.2 (SD=1.8) and 5.2 (SD=2.6) hr/d of active time, respectively. Total PDR active and sedentary time was greater than aPAL wear time (difference=0.58 hr/d, p<0.01). Bland-Altman analysis of differences between measures (bias=PDR-aPAL) revealed a non-significant (p>0.05) negative bias for active time in adolescents (bias=-0.27 (SD=1.37) hr/d) and adults (bias=-0.13 (SD=1.44) hr/d).</description><identifier>ISSN: 0195-9131</identifier><language>eng</language><ispartof>Medicine and science in sports and exercise, 2012-05, Vol.44 (5S), p.642-642</ispartof><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,780,784</link.rule.ids></links><search><creatorcontrib>Matthews, Charles E</creatorcontrib><creatorcontrib>Keadle, Sarah</creatorcontrib><creatorcontrib>Sampson, Joshua</creatorcontrib><creatorcontrib>Lyden, Kate</creatorcontrib><creatorcontrib>Libertine, Amanda</creatorcontrib><creatorcontrib>Bowles, Heather R</creatorcontrib><creatorcontrib>Freedson, Patty S</creatorcontrib><creatorcontrib>Fowke, Jay H</creatorcontrib><title>Validation of a Previous Day Recall Measuring Time Spent in Physically Active and Sedentary Behaviors</title><title>Medicine and science in sports and exercise</title><description>Test the validity of a PDR administered by phone against a valid reference measure. 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Bland-Altman analysis of differences between measures (bias=PDR-aPAL) revealed a non-significant (p>0.05) negative bias for active time in adolescents (bias=-0.27 (SD=1.37) hr/d) and adults (bias=-0.13 (SD=1.44) hr/d).</abstract></addata></record> |
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title | Validation of a Previous Day Recall Measuring Time Spent in Physically Active and Sedentary Behaviors |
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