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X Demographics
Mendeley readers
Attention Score in Context
| Title |
Longitudinal changes in sedentary time and physical activity during adolescence
|
|---|---|
| Published in |
International Journal of Behavioral Nutrition and Physical Activity, April 2015
|
| DOI | 10.1186/s12966-015-0204-6 |
| Pubmed ID | |
| Authors |
Sarah K Harding, Angie S Page, Catherine Falconer, Ashley R Cooper |
| Abstract |
Low levels of physical activity and high time spent in sedentary activities have been associated with unfavourable health outcomes in adolescents. During adolescence, physical activity declines and sedentary time increases, however little is known about whether the magnitude of these changes differs within or between school-time, after-school time, or at weekends. Adolescents (n = 363) participating in the PEACH (Personal and Environmental Associations with Children's Health) project provided accelerometer data at 12 and 15 years of age. Data were collected in 2008/2009 and 2012/2013. Time spent sedentary (<100 cpm), in light physical activity (LPA (100-2295 cpm) and in moderate to vigorous physical activity (MVPA: ≥ 2296 cpm) were generated for school-time, after-school time and for weekends using school-specific start and finish times. All data were analysed in 2014. The proportion of time spent sedentary significantly increased during school (+8.23%, 95% CI = 7.35 to 9.13), after-school (+6.99%, 95% CI = 5.91 to 8.07) and at weekends (+6.86%, 95% CI = 5.10 to 8.62). A parallel decrease was found in the proportion of time spent in LPA during school (-7.62%, 95% CI = -8.26 to -6.98), after-school (-7.01%, 95% CI = -7.74 to -6.28) and at weekends (-6.72%, 95% CI = -7.80 to -5.65). The proportion of time spent in MVPA remained relatively stable during school (-0.64, 95% CI = -1.11 to -0.18), after-school (0.04%, 95% CI = -0.58 to 0.67) and at weekends (-0.14%, 95% CI = -1.18 to 0.90). Objectively measured sedentary time increased between 12 and 15 years of age during-school, after-school, and at weekends, suggesting that interventions aiming to reduce the age-associated changes in sedentary time are needed in all three time contexts. Future work should identify which sedentary activities change more than others to inform interventions which aim to minimise the increase in time spent sedentary during adolescence. |
X Demographics
The data shown below were collected from the profiles of 8 X users who shared this research output. Click here to find out more about how the information was compiled.
Geographical breakdown
| Country | Count | As % |
|---|---|---|
| United States | 2 | 25% |
| Chile | 1 | 13% |
| Australia | 1 | 13% |
| New Zealand | 1 | 13% |
| Mexico | 1 | 13% |
| Unknown | 2 | 25% |
Demographic breakdown
| Type | Count | As % |
|---|---|---|
| Scientists | 3 | 38% |
| Practitioners (doctors, other healthcare professionals) | 3 | 38% |
| Members of the public | 2 | 25% |
Mendeley readers
The data shown below were compiled from readership statistics for 169 Mendeley readers of this research output. Click here to see the associated Mendeley record.
Geographical breakdown
| Country | Count | As % |
|---|---|---|
| United Kingdom | 2 | 1% |
| Japan | 1 | <1% |
| Taiwan | 1 | <1% |
| Brazil | 1 | <1% |
| Unknown | 164 | 97% |
Demographic breakdown
| Readers by professional status | Count | As % |
|---|---|---|
| Student > Ph. D. Student | 27 | 16% |
| Student > Master | 19 | 11% |
| Student > Bachelor | 19 | 11% |
| Researcher | 14 | 8% |
| Student > Postgraduate | 9 | 5% |
| Other | 32 | 19% |
| Unknown | 49 | 29% |
| Readers by discipline | Count | As % |
|---|---|---|
| Sports and Recreations | 39 | 23% |
| Medicine and Dentistry | 23 | 14% |
| Nursing and Health Professions | 11 | 7% |
| Social Sciences | 11 | 7% |
| Psychology | 10 | 6% |
| Other | 19 | 11% |
| Unknown | 56 | 33% |
Attention Score in Context
This research output has an Altmetric Attention Score of 5. 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 01 April 2017.
All research outputs
#5,882,237
of 22,799,071 outputs
Outputs from International Journal of Behavioral Nutrition and Physical Activity
#1,413
of 1,931 outputs
Outputs of similar age
#68,451
of 264,674 outputs
Outputs of similar age from International Journal of Behavioral Nutrition and Physical Activity
#40
of 49 outputs
Altmetric has tracked 22,799,071 research outputs across all sources so far. This one has received more attention than most of these and is in the 73rd percentile.
So far Altmetric has tracked 1,931 research outputs from this source. They typically receive a lot more attention than average, with a mean Attention Score of 28.5. This one is in the 26th percentile – i.e., 26% of its peers scored the same or lower than it.
Older research outputs will score higher simply because they've had more time to accumulate mentions. To account for age we can compare this Altmetric Attention Score to the 264,674 tracked outputs that were published within six weeks on either side of this one in any source. This one has gotten more attention than average, scoring higher than 73% of its contemporaries.
We're also able to compare this research output to 49 others from the same source and published within six weeks on either side of this one. This one is in the 18th percentile – i.e., 18% of its contemporaries scored the same or lower than it.