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- Boldemann, Cecilia, et al.
(författare)
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Impact of preschool environment upon children's physical activity and sun exposure.
- 2006
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Ingår i: Preventive medicine. - : Elsevier BV. - 0091-7435. ; 42:4, s. 301-8
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Tidskriftsartikel (refereegranskat)abstract
- The physical qualities of outdoor environments are important to trigger healthy behavior in children. We studied the impact of outdoor environments upon spontaneous physical activity and exposure to ultraviolet (UV) radiation in 4- to 6-year-old children at 11 preschools in Stockholm county.
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| 3. |
- Fröberg, Andreas, 1985, et al.
(författare)
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Accelerometer-measured physical activity among adolescents in a multicultural area characterized by low socioeconomic status
- 2018
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Ingår i: International Journal of Adolescent Medicine and Health. - : Walter de Gruyter GmbH. - 0334-0139 .- 2191-0278. ; 30:3
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Tidskriftsartikel (refereegranskat)abstract
- PURPOSE: The aim of this cross-sectional study was to describe and analyze accelerometer-measured sedentary time and physical activity (PA) among adolescents in a multicultural area characterized by low socioeconomic status (SES). METHOD: Seventh-graders (n=114 (girls n=66), mean age: 12.8±0.5 y) were recruited from three schools in a multicultural area of the city of Gothenburg, Sweden. Sedentary time and PA were measured with ActiGraph™ accelerometers. RESULT: Of total wear-time, 70 (±6)% was sedentary, with girls being more sedentary than boys. Girls had less light PA (LPA) and moderate-to-vigorous PA (MVPA) than boys. Similar patterns were shown during in-school and out-of-school hours. During wear-time, 53% had a mean of ≥60 min of MVPA per day, but only 6% of the girls and 24% of the boys were sufficiently physically active every day. Girls had more sedentary bouts of ≥10 min and fewer MVPA bouts of ≥5 min per day than boys. Those who participated in organized sports spent a mean of 15 more minutes of MVPA per day compared to those who did not. No association was observed between body mass index (BMI) and sedentary time and PA. CONCLUSION: Only a few adolescents from a Swedish multicultural area characterized by low SES met the PA recommendations every day, and girls were more sedentary and less physically active than boys. Adolescents involved in organized sports had more of MVPA per day than their non-involved peers. Sedentary time and PA were not related to BMI.
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| 4. |
- Fröberg, Andreas, 1985, et al.
(författare)
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Combinations of Epoch Durations and Cut-Points to Estimate Sedentary Time and Physical Activity Among Adolescents
- 2017
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Ingår i: Measurement in Physical Education and Exercise Science. - : Taylor & Francis. - 1091-367X .- 1532-7841. ; 21:3, s. 154-160
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Tidskriftsartikel (refereegranskat)abstract
- The purpose of the current study was to investigate how combinations of different epoch durations and cut-points affect the estimations of sedentary time and physical activity in adolescents. Accelerometer data from 101 adolescents were derived and 30 combinations were used to estimate sedentary time, light, moderate, vigorous, and combined moderate-to-vigorous physical activity. Data were analyzed with repeated measurement analyses of variance. Large differences of sedentary time and times of different physical activity intensities were observed between 1 s and longer epoch durations using virtually all cut-points. Generally, sedentary time, moderate physical activity, vigorous physical activity, and combined moderate-to-vigorous physical activity progressively decreased, whereas light physical activity increased with longer epoch durations. The extreme differences between cut-points were large and increased with longer epoch durations for sedentary time and for all physical activity intensities except for vigorous physical activity per epoch duration. Caution is required when cross-comparing studies using different epoch durations and cut-points. To accurately register adolescents’ spontaneous intermittent physical activity behavior, short epoch durations are recommended.
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| 8. |
- Fröberg, Andreas, 1985, et al.
(författare)
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Volume and pattern and seasonal variation of school-day sedentary time: A cross-sectional study in Swedish 2nd and 5th graders
- 2014
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Ingår i: The International Society of Behavioral Nutrition and Physical Activity (ISBNPA).
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Konferensbidrag (övrigt vetenskapligt/konstnärligt)abstract
- ABSTRACT PURPOSE: Some evidence suggests an association between sedentary behavior and increased cardio-metabolic disease risk. The purposes of this study are to describe volume and pattern of school-day sedentary time, and compare school-day sedentary time across seasons in terms of volume and pattern in Swedish 2nd and 5th graders. METHODS: Volume and pattern of sedentary time (<100 counts per minute) were objectively measured with accelerometer (Actigraph GT1X) in 75 (boys n=40) 2nd and 88 (boys n=43) 5th graders in three different schools in September 2012 and March and May 2013 (Kidscape II project). The pupils were encouraged to wear the accelerometer at the right hip by means of an elastic band for the whole school-day except during water-based activities. Pupils with three or more school days per week of accelerometer-data will be considered for further analysis. Daily mean and median of volume (total minutes spent sedentary) and number of bouts (prolonged sequences of sedentary time lasting ≥20 consecutive minutes) and breaks of sedentary time are calculated for September, March and May respectively. The one-way repeated measures analysis of variance (rANOVA) will be used when comparing seasonal variations of volume of sedentary time and number of bouts and breaks of sedentary time. RESULTS: We hypothesize that volume and pattern of sedentary time differ between age, gender and seasons. Preliminary results will be presented during the conference. CONCLUSION: This study will provide insight in volume and pattern and seasonal variations of school-day sedentary time in Swedish 2nd and 5th graders.
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