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Convergent validity: agreement between accelerometry and the Global Physical Activity Questionnaire in college-age Saudi men

Overview of attention for article published in BMC Research Notes, September 2016
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Title
Convergent validity: agreement between accelerometry and the Global Physical Activity Questionnaire in college-age Saudi men
Published in
BMC Research Notes, September 2016
DOI 10.1186/s13104-016-2242-9
Pubmed ID
Authors

Shaea A. Alkahtani

Abstract

The Global Physical Activity Questionnaire (GPAQ) has been recommended for the international tracking of physical activity (PA). This study aimed to investigate the agreement between the GPAQ and accelerometry, as well as the test-retest reliability of the GPAQ in Saudi college-age men. The participants included 62 male students, aged 20.0 ± 1.1 year, with a mean body mass index (BMI) of 24.1 ± 6.3 kg/m(2). This study used a cross-sectional comparison of measures design. Participants completed the GPAQ twice (2 weeks apart) and wore accelerometers for seven consecutive days. The agreement between the GPAQ and accelerometry for moderate to vigorous PA (MVPA) was weak (r ≤ 0.32). Participants underreported sedentary time relative to accelerometer measurements (∆ = 3.4 h/day). BMI was statistically associated with increased bias between the two methods. However, correlations between the GPAQ test and retest for MVPA and sedentary time were moderate to strong (r = 0.44-0.78). The GPAQ is reliable, but had low agreement with accelerometry for estimating MVPA, and very low agreement with accelerometry for estimating sedentary time in college-age Saudi men. Individual participant characteristics should be considered when using the GPAQ to estimate sedentary time. Adapting the current GPAQ to build a regional PA questionnaire is recommended.

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Mendeley readers

Mendeley readers

The data shown below were compiled from readership statistics for 100 Mendeley readers of this research output. Click here to see the associated Mendeley record.

Geographical breakdown

Country Count As %
Unknown 100 100%

Demographic breakdown

Readers by professional status Count As %
Student > Master 15 15%
Student > Bachelor 14 14%
Student > Ph. D. Student 9 9%
Professor 6 6%
Researcher 6 6%
Other 17 17%
Unknown 33 33%
Readers by discipline Count As %
Nursing and Health Professions 15 15%
Sports and Recreations 15 15%
Medicine and Dentistry 12 12%
Social Sciences 6 6%
Psychology 5 5%
Other 10 10%
Unknown 37 37%
Attention Score in Context

Attention Score in Context

This research output has an Altmetric Attention Score of 1. This is our high-level measure of the quality and quantity of online attention that it has received. This Attention Score, as well as the ranking and number of research outputs shown below, was calculated when the research output was last mentioned on 08 September 2016.
All research outputs
#15,383,207
of 22,886,568 outputs
Outputs from BMC Research Notes
#2,317
of 4,270 outputs
Outputs of similar age
#211,711
of 332,538 outputs
Outputs of similar age from BMC Research Notes
#37
of 75 outputs
Altmetric has tracked 22,886,568 research outputs across all sources so far. This one is in the 22nd percentile – i.e., 22% of other outputs scored the same or lower than it.
So far Altmetric has tracked 4,270 research outputs from this source. They typically receive a little more attention than average, with a mean Attention Score of 5.5. This one is in the 33rd percentile – i.e., 33% of its peers scored the same or lower than it.
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We're also able to compare this research output to 75 others from the same source and published within six weeks on either side of this one. This one is in the 29th percentile – i.e., 29% of its contemporaries scored the same or lower than it.