Gymnastik- och idrottshögskolan, GIH

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Fundament for a methodological standard to process hip accelerometer data to a measure of physical activity intensity in middle-aged individuals.
Center for Health and Performance, Department of Food and Nutrition, and Sport Science, Faculty of Education, University of Gothenburg, Gothenburg, Sweden.
Center for Health and Performance, Department of Food and Nutrition, and Sport Science, Faculty of Education, University of Gothenburg, Gothenburg, Sweden.
Gymnastik- och idrottshögskolan, GIH, Institutionen för fysisk aktivitet och hälsa.ORCID-id: 0000-0002-3901-7833
Gymnastik- och idrottshögskolan, GIH, Institutionen för fysisk aktivitet och hälsa.ORCID-id: 0000-0001-6058-4982
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2024 (engelsk)Inngår i: Scandinavian Journal of Medicine and Science in Sports, ISSN 0905-7188, E-ISSN 1600-0838, Vol. 34, nr 1, artikkel-id e14541Artikkel i tidsskrift (Fagfellevurdert) Published
Abstract [en]

BACKGROUND: There is a lack of a methodological standard to process accelerometer data to measures of physical activity, which impairs data quality and comparability. This study investigated the effect of different combinations of settings of multiple processing components, on the measure of physical activity and the association with measures of cardiometabolic health in an unselected population of middle-aged individuals.

METHODS: Free-living hip accelerometer data, aerobic fitness, body mass index, HDL:total cholesterol ratio, blood glucose, and systolic blood pressure were achieved from 4391 participants 50-64 years old included in The Swedish CArdioPulmonary bioImage Study (SCAPIS) baseline measurement (cross-sectional). Lab data were also included for calibration of accelerometers to provide comparable measure of physical activity intensity and time spent in different intensity categories, as well as to enhance understanding. The accelerometer data processing components were hardware recalibration, frequency filtering, number of accelerometer axes, epoch length, wear time criterium, time composition (min/24 h vs. % of wear time). Partial least regression and ordinary least regression were used for the association analyses.

RESULTS: The setting of frequency filter had the strongest effect on the physical activity intensity measure and time distribution in different intensity categories followed by epoch length and number of accelerometer axes. Wear time criterium and recalibration of accelerometer data were less important. The setting of frequency filter and epoch length also showed consistent important effect on the associations with the different measures of cardiometabolic health, while the effect of recalibration, number of accelerometer axes, wear time criterium and expression of time composition was less consistent and less important. There was a large range in explained variance of the measures of cardiometabolic health depending on the combination of processing settings, for example, 12.1%-20.8% for aerobic fitness and 5.8%-14.0% for body mass index.

CONCLUSIONS: There was a large variation in the physical activity intensity measure and the association with different measures of cardiometabolic health depending on the combination of settings of accelerometer data processing components. The results provide a fundament for a standard to process hip accelerometer data to assess the physical activity in middle-aged populations.

sted, utgiver, år, opplag, sider
John Wiley & Sons, 2024. Vol. 34, nr 1, artikkel-id e14541
Emneord [en]
accelerometer, cardiometabolic health, method, physical activity
HSV kategori
Forskningsprogram
Medicin/Teknik
Identifikatorer
URN: urn:nbn:se:gih:diva-7967DOI: 10.1111/sms.14541ISI: 001107489300001PubMedID: 37985378OAI: oai:DiVA.org:gih-7967DiVA, id: diva2:1816016
Tilgjengelig fra: 2023-11-30 Laget: 2023-11-30 Sist oppdatert: 2024-01-11

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Ekblom Bak, ElinEkblom, ÖrjanBörjesson, Mats

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