The SED-GIH: A Single-Item Question for Assessment of Stationary Behavior—A Study of Concurrent and Convergent Validity

Lena V. Kallings, Sven J. G. Olsson, Örjan Ekblom, Elin Ekblom-Bak and Mats Börjesson
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Lena V. Kallings: Åstrand Laboratory of Work Physiology, The Swedish School of Sport and Health Sciences, GIH, 114 86 Stockholm, Sweden
Sven J. G. Olsson: Åstrand Laboratory of Work Physiology, The Swedish School of Sport and Health Sciences, GIH, 114 86 Stockholm, Sweden
Örjan Ekblom: Åstrand Laboratory of Work Physiology, The Swedish School of Sport and Health Sciences, GIH, 114 86 Stockholm, Sweden
Elin Ekblom-Bak: Åstrand Laboratory of Work Physiology, The Swedish School of Sport and Health Sciences, GIH, 114 86 Stockholm, Sweden
Mats Börjesson: Institute of Neuroscience and Physiology and Institute of Food, Nutrition and Sport Science, Göteborg University, 405 30 Gothenburg, Sweden

IJERPH, 2019, vol. 16, issue 23, 1-12

Abstract: The unfavorable health consequences of prolonged time spent sedentary (stationary) make accurate assessment in the general population important. However, for many existing questionnaires, validity for identifying stationary time has not been shown or has shown low validity. This study aimed to assess the concurrent and convergent validity of the GIH stationary single-item question (SED-GIH). Data were obtained in 2013 and 2014 from two Swedish cohorts. A total of 711 men and women provided valid accelerometer data (Actigraph GT3X+) and were included for concurrent validity analyses. A total of 560 individuals answered three additional commonly used sedentary questions, and were included for convergent validity analysis. The SED-GIH displayed a significant correlation with total stationary time (r s = 0.48) and time in prolonged stationary time (r s = 0.44). The ROC analysis showed an AUC of 0.72 for identifying individuals with stationary time over 600 min/day. The SED-GIH correlated significantly with other previously used questions (r = 0.72–0.89). The SED-GIH single-item question showed a relatively high agreement with device-assessed stationary behavior and was able to identify individuals with high levels of stationary time. Thus, the SED-GIH may be used to assess total and prolonged stationary time. This has important implications, as simple assessment tools of this behavior are needed in public health practice and research.

Keywords: sedentary behavior; accelerometry; surveys and questionnaires; validation studies; public health; measurement (search for similar items in EconPapers)
JEL-codes: I I1 I3 Q Q5 (search for similar items in EconPapers)
Date: 2019
References: View complete reference list from CitEc
Citations: View citations in EconPapers (1)

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