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20112020

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2020
Open Access
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1 Downloads (Pure)

Associations of screen time, sedentary time and physical activity with sleep in under 5s: a systematic review and meta-analysis

Janssen, X., Martin, A., Hughes, A. R., Hill, C. M., Kotronoulas, G. & Hesketh, K. R., 29 Feb 2020, In : Sleep Medicine Reviews. 49, 18 p., 101226.

Research output: Contribution to journalArticle

Open Access
File
12 Downloads (Pure)

GRADE-ADOLOPMENT process to develop 24-hour movement behavior recommendations and physical activity guidelines for the under 5s in the United Kingdom, 2019

Reilly, J. J., Hughes, A. R., Janssen, X., Hesketh, K. R., Livingstone, S., Hill, C., Kipping, R., Draper, C. E., Okely, A. D. & Martin, A., 1 Jan 2020, In : Journal of Physical Activity and Health. 17, 1, p. 101-108 8 p.

Research output: Contribution to journalArticle

Open Access
File
5 Citations (Scopus)
9 Downloads (Pure)

Jump Start childcare-based intervention to promote physical activity in pre-schoolers: six-month findings from a cluster randomised trial

Okely, A. D., Stanley, R. M., Jones, R. A., Cliff, D. P., Trost, S. G., Berthelsen, D., Salmon, J., Batterham, M., Eckermann, S., Reilly, J. J., Brown, N., Mickle, K. J., Howard, S. J., Hinkley, T., Janssen, X., Chandler, P., Cross, P. & Gowers, F., 16 Jan 2020, In : International Journal of Behavioral Nutrition and Physical Activity. 17, 11 p., 6.

Research output: Contribution to journalArticle

Open Access
File
3 Downloads (Pure)

Longitudinal changes in moderate-to-vigorous-intensity physical activity in children and adolescents: a systematic review and meta-analysis

Farooq, A., Martin, A., Janssen, X., Wilson, M. G., Gibson, A-M., Hughes, A. & Reilly, J. J., 30 Jan 2020, In : Obesity Reviews. 21, 1, 15 p., e12953.

Research output: Contribution to journalArticle

Open Access
File
9 Citations (Scopus)
5 Downloads (Pure)
Open Access
File
5 Downloads (Pure)
2019

Energy expenditure associated with posture transitions in preschool children

Downing, K. L., Janssen, X., Cliff, D. P., Okely, A. D. & Reilly, J. J., 15 Apr 2019, In : PLOS One. 14, 4, 10 p., e0215169.

Research output: Contribution to journalArticle

Open Access
File
1 Citation (Scopus)
7 Downloads (Pure)

Feasibility of wearable cameras to assess screen time and time spent restrained in children aged 3 to 5 years: a study protocol

Downing, K. L., Janssen, X. & Reilly, J. J., 22 May 2019, In : BMJ Open. 9, 5, 6 p., e028265.

Research output: Contribution to journalArticle

Open Access
File
2 Downloads (Pure)

Longitudinal changes in vigorous intensity physical activity from childhood to adolescence: Gateshead Millennium Study

Beltran-Valls, M. R., Janssen, X., Farooq, A., Adamson, A. J., Pearce, M. S., Reilly, J. K., Basterfield, L. & Reilly, J. J., 30 Apr 2019, In : Journal of Science and Medicine in Sport. 22, 4, p. 450-455 6 p.

Research output: Contribution to journalArticle

Open Access
File
6 Citations (Scopus)
11 Downloads (Pure)
Open Access
File
1 Citation (Scopus)
2 Downloads (Pure)
2018

Bidirectional associations between adiposity, sedentary behavior and physical activity: a longitudinal study in children

Tanaka, C., Janssen, X., Basterfield, L., Parkinson, K., Pearce, M., Reilly, J., Adamson, A. & Reilly, J., 22 Jun 2018, (Accepted/In press) In : Journal of Physical Activity and Health. 19 p.

Research output: Contribution to journalArticle

Open Access
File
10 Downloads (Pure)

Changes in sitting time and sitting fragmentation after a workplace sedentary behaviour intervention

Hutchinson, J., Headley, S., Matthews, T., Spicer, G., Dempsey, K., Wooley, S. & Janssen, X., 1 Jun 2018, In : International Journal of Environmental Research and Public Health. 15, 6, 9 p., 1148.

Research output: Contribution to journalArticle

Open Access
File
4 Citations (Scopus)
7 Downloads (Pure)

Non-linear longitudinal associations between moderate-to-vigorous physical activity and adiposity across the adiposity distribution during childhood and adolescence: Gateshead Millennium Study

Janssen, X., Basterfield, L., Parkinson, K. N., Pearce, M. S., Reilly, J. K., Adamson, A. J. & Reilly, J. J., 14 Aug 2018, In : International Journal of Obesity. 43, p. 744-750 7 p.

Research output: Contribution to journalArticle

Open Access
File
3 Citations (Scopus)
10 Downloads (Pure)

Subjective and objective assessment of sedentary behavior among college employees

Headley, S., Hutchinson, J., Wooley, S., Dempsey, K., Phan, K., Spicer, G., Janssen, X., Laguilles, J. & Matthews, T., 19 Jun 2018, In : BMC Public Health. 18, 1, 7 p., 768.

Research output: Contribution to journalArticle

Open Access
File
2 Citations (Scopus)
6 Downloads (Pure)

Timing of the decline in physical activity in childhood and adolescence: Gateshead Millennium Cohort Study

Farooq, M. A., Parkinson, K. N., Adamson, A. J., Pearce, M. S., Reilly, J. K., Hughes, A. R., Janssen, X., Basterfield, L. & Reilly, J. J., 17 Jul 2018, In : British Journal of Sports Medicine. 52, 15, p. 1002-1006 5 p.

Research output: Contribution to journalArticle

Open Access
File
87 Citations (Scopus)
27 Downloads (Pure)

Wrist acceleration cut points for moderate-to-vigorous physical activity in youth

Okely, A. D., Batterham, M. J., Hinkley, T., Ekelund, U., Brage, S., Reilly, J. J., Trost, S. G., Jones, R. A., Janssen, X., Cliff, D. P. & Van Loo, C. M. T., 1 Mar 2018, In : Medicine and Science in Sports and Exercise . 50, 3, p. 609-616 8 p.

Research output: Contribution to journalArticle

Open Access
File
8 Citations (Scopus)
2 Downloads (Pure)
2017

Canadian 24-hour movement guidelines for the early years (0-4 years): an integration of physical activity, sedentary behaviour, and sleep

Tremblay, M. S., Chaput, J-P., Adamo, K. B., Aubert, S., Barnes, J. D., Choquette, L., Duggan, M., Faulkner, G., Goldfield, G. S., Gray, C. E., Gruber, R., Janson, K., Janssen, I., Janssen, X., Garcia, A. J., Kuzik, N., LeBlanc, C., MacLean, J., Okely, A. D., Poitras, V. J. & 6 others, Rayner, M-E., Reilly, J. J., Sampson, M., Spence, J. C., Timmons, B. W. & Carson, V., 20 Nov 2017, In : BMC Public Health. 17, Suppl 5, 215 p.

Research output: Contribution to journalArticle

Open Access
File
141 Citations (Scopus)
27 Downloads (Pure)

Longitudinal study of the associations between change in sedentary behavior and change in adiposity during childhood and adolescence: Gateshead Millennium study

Mann, K. D., Howe, L. D., Basterfield, L., Parkinson, K. N., Pearce, M. S., Reilly, J. K., Adamson, A. J., Reilly, J. J. & Janssen, X., 15 Mar 2017, In : International Journal of Obesity. 41, p. 1042–1047 6 p.

Research output: Contribution to journalArticle

Open Access
File
20 Citations (Scopus)
63 Downloads (Pure)

Mothers' perceptions of child weight status and the subsequent weight gain of their children: a population based longitudinal study

Parkinson, K. N., Reilly, J. J., Basterfield, L., Reilly, J., Janssen, X., Jones, A. R., Cutler, L. R., Le Couteur, A. & Adamson, A. J., 25 Jan 2017, In : International Journal of Obesity.

Research output: Contribution to journalArticle

Open Access
File
12 Citations (Scopus)
68 Downloads (Pure)
11 Citations (Scopus)
181 Downloads (Pure)

Promoting physical activity among adolescent girls: the Girls in Sport group randomized trial

Okely, A. D., Lubans, D. R., Morgan, P. J., Cotton, W., Peralta, L., Miller, J., Batterham, M. & Janssen, X., 21 Jun 2017, In : International Journal of Behavioral Nutrition and Physical Activity. 14, 1, 13 p., 81.

Research output: Contribution to journalArticle

Open Access
File
20 Citations (Scopus)
27 Downloads (Pure)

Systematic review of the relationships between sedentary behavior and health indicators in the early years (aged 0–4 years)

Poitras, V. J., Gray, C. E., Janssen, X., Aubert, S., Carson, V., Faulkner, G., Goldfield, G. S., Reilly, J. J., Sampson, M. & Tremblay, M. S., 20 Nov 2017, In : BMC Public Health. 17, Suppl 5, 868.

Research output: Contribution to journalArticle

Open Access
File
86 Citations (Scopus)
33 Downloads (Pure)
2016

Development of sedentary behavior across childhood and adolescence: longitudinal analysis of the Gateshead Millennium Study

Janssen, X., Mann, K. D., Basterfield, L., Parkinson, K. N., Pearce, M. S., Reilly, J. K., Adamson, A. J. & Reilly, J. J., 2 Aug 2016, In : International Journal of Behavioral Nutrition and Physical Activity. 13, p. 88 10 p.

Research output: Contribution to journalArticle

Open Access
File
35 Citations (Scopus)
27 Downloads (Pure)

Increasing physical activity among young children from disadvantaged communities: study protocol of a group randomised controlled effectiveness trial

Stanley, R. M., Jones, R. A., Cliff, D. P., Trost, S. G., Berthelsen, D., Salmon, J., Batterham, M., Eckermann, S., Reilly, J. J., Brown, N., Mickle, K. J., Howard, S. J., Hinkley, T., Janssen, X., Chandler, P., Cross, P., Gowers, F. & Okely, A. D., 19 Oct 2016, In : BMC Public Health. p. 1-13 13 p.

Research output: Contribution to journalArticle

Open Access
File
13 Citations (Scopus)
35 Downloads (Pure)

Measuring the daily activity of lying down, sitting, standing and stepping of obese children using the activPALTM activity monitor

Wafa, S. W., Aziz, N. N., Shahril, M. R., Halib, H., Rahim, M. & Janssen, X., 18 Aug 2016, In : Journal of Tropical Pediatrics. p. 1-6 6 p.

Research output: Contribution to journalArticle

Open Access
File
4 Citations (Scopus)
23 Downloads (Pure)

Predictive validity of a thigh-worn accelerometer METs algorithm in 5- to 12-Year-old children

van Loo, C. M. T., Okely, A. D., Batterham, M. J., Hinkley, T., Ekelund, U., Brage, S., Reilly, J. J., Peoples, G. E., Jones, R., Janssen, X. & Cliff, D. P., 17 Jun 2016, (Accepted/In press) In : Journal of Physical Activity and Health. 13, 6 Suppl 1, p. S78-83 6 p.

Research output: Contribution to journalArticle

Open Access
File
5 Citations (Scopus)
60 Downloads (Pure)

Sedentary time, physical activity and compliance with IOM recommendations in young children at childcare

Ellis, Y. G., Cliff, D. P., Janssen, X., Jones, R. A., Reilly, J. J. & Okely, A. D., 21 Dec 2016, In : Preventive Medicine Reports. 6 p.

Research output: Contribution to journalArticle

Open Access
File
34 Citations (Scopus)
25 Downloads (Pure)

Validation of the SenseWear Mini activity monitor in 5-12 year-old children

van Loo, C. M. T., Okely, A. D., Batterham, M. J., Hinkley, T., Ekelund, U., Brage, S., Reilly, J. J., Peoples, G. E., Jones, R., Janssen, X. & Cliff, D. P., 30 Apr 2016, (Accepted/In press) In : Journal of Science and Medicine in Sport.

Research output: Contribution to journalArticle

Open Access
File
6 Citations (Scopus)
19 Downloads (Pure)

Validation of thigh-based accelerometer estimates of postural allocation in 5-12 year-olds

van Loo, C. M. T., Okely, A. D., Batterham, M. J., Hinkley, T., Ekelund, U., Brage, S., Reilly, J. J., Jones, R., Janssen, X. & Cliff, D. P., 6 Aug 2016, (Accepted/In press) In : Journal of Science and Medicine in Sport. 22 p.

Research output: Contribution to journalArticle

Open Access
File
25 Downloads (Pure)

Wrist accelerometer cut-points for classifying sedentary behavior in children

van Loo, C. M. T., Okely, A. D., Batterham, M. J., Hinkley, T., Ekelund, U., Brage, S., Reilly, J. J., Trost, S. G., Jones, R. A., Janssen, X. & Cliff, D. P., 19 Oct 2016, (Accepted/In press) In : Medicine and Science in Sports and Exercise. p. 1-42 42 p.

Research output: Contribution to journalArticle

Open Access
File
45 Downloads (Pure)
2015
Open Access
File
8 Citations (Scopus)
45 Downloads (Pure)

Determinants of changes in sedentary time and breaks in sedentary time among 9 and 12 year old children

Janssen, X., Basterfield, L., Parkinson, K. N., Pearce, M., Reilly, J. K., Adamson, A. J. & Reilly, J. J., 10 Nov 2015, In : Preventive Medicine Reports. 2, p. 880-885 6 p.

Research output: Contribution to journalArticle

Open Access
File
8 Citations (Scopus)
101 Downloads (Pure)
Open Access
File
17 Citations (Scopus)
13 Downloads (Pure)

Objective measurement of sedentary behavior: impact of non-wear time rules on changes in sedentary time

Janssen, X., Basterfield, L., Parkinson, K. N., Pearce, M. S., Reilly, J. K., Adamson, A. J. & Reilly, J., 18 May 2015, In : BMC Public Health. 15, 6 p., 504.

Research output: Contribution to journalArticle

Open Access
File
26 Citations (Scopus)
102 Downloads (Pure)
2014

Evaluation of actical equations and thresholds to predict physical activity intensity in young children

Janssen, X., Cliff, D., Reilly, J., Hinkley, T., Jones, R., Batterham, M., Ekelund, U., Brage, S. & Okely, T., 24 Sep 2014, In : Journal of Sports Sciences. 33, 5, p. 498-506 9 p.

Research output: Contribution to journalArticle

Open Access
File
18 Citations (Scopus)
53 Downloads (Pure)

Validation and calibration of the activPAL™ for estimating METs and physical activity in 4-6 year olds

Janssen, X., Cliff, D. P., Reilly, J. J., Hinkley, T., Jones, R. A., Batterham, M., Ekelund, U., Brage, S. & Okely, A. D., Nov 2014, In : Journal of Science and Medicine in Sport. 17, 6, p. 602-606 5 p.

Research output: Contribution to journalArticle

Open Access
File
11 Citations (Scopus)
53 Downloads (Pure)

Validation of activPAL defined sedentary time and breaks in sedentary dime in 4- to 6-year-olds

Janssen, X., Cliff, D. P., Reilly, J. J., Hinkley, T., Jones, R. A., Batterham, M., Ekelund, U., Brage, S. & Okely, A. D., Feb 2014, In : Pediatric Exercise Science. 26, 1, p. 110-117 8 p.

Research output: Contribution to journalArticle

16 Citations (Scopus)
2013

Longitudinal levels and bouts of sedentary time among adolescent girls

Carson, V., Cliff, D. P., Janssen, X. & Okely, A. D., 21 Oct 2013, In : BMC Pediatrics. 13, 6 p., 173.

Research output: Contribution to journalArticle

Open Access
File
26 Citations (Scopus)
23 Downloads (Pure)

Practical utility and reliability of whole-room calorimetry in young children

Janssen, X., Cliff, D., Okely, A. D., Jones, R. A., Batterham, M., Ekelund, U., Brage, S. & Reilly, J. J., 31 May 2013, In : British Journal of Nutrition. 109, 10, p. 1917-1922 6 p.

Research output: Contribution to journalArticle

Open Access
File
8 Citations (Scopus)
132 Downloads (Pure)

Predictive validity and classification accuracy of actigraph energy expenditure equations and cut-points in young children

Janssen, X., Cliff, D. P., Reilly, J. J., Hinkley, T., Jones, R. A., Batterham, M., Ekelund, U., Brage, S. & Okely, A. D., 11 Nov 2013, In : PLOS One. 8, 11, 9 p., e79124.

Research output: Contribution to journalArticle

Open Access
File
84 Citations (Scopus)
109 Downloads (Pure)