Active-Q: validation of the web-based physical activity questionnaire using doubly labeled water.

Journal of Medical Internet Research
Stephanie E BonnKatarina Bälter

Abstract

Increased use of the Internet provides new opportunities for collecting data in large studies. The aim of our new Web-based questionnaire, Active-Q, is to assess total physical activity and inactivity in adults. Active-Q assesses habitual activity during the past year via questions in four different domains: (1) daily occupation, (2) transportation to and from daily occupation, (3) leisure time activities, and (4) sporting activities. The objective of our study is to validate Active-Q's energy expenditure estimates using the doubly labeled water (DLW) method, and to assess the reproducibility of Active-Q by comparing the results of the questionnaire completed by the same group on two occasions. The validity and reproducibility of Active-Q were assessed in a group of 37 individuals, aged 20 to 65 years. Active-Q was distributed via email to the participants. The total energy expenditure of the participants was assessed using DLW for 11 consecutive days. The median time to complete Active-Q was 6.1 minutes. The majority of participants (27/37, 73%) reported that the questionnaire was "easy" or "very easy" to answer. On average, Active-Q overestimated the total daily energy expenditure by 440 kJ compared with the DLW. The Spearman...Continue Reading

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Citations

Sep 27, 2012·Journal of Medical Internet Research·Hideyuki NambaHiroaki Tanaka
Apr 11, 2013·Journal of Medical Internet Research·Stephanie Erika BonnKatarina Bälter
Jun 7, 2013·Journal of Medical Internet Research·Sara E ChristensenKatarina Bälter
Aug 21, 2013·JMIR Research Protocols·Filipe Ferreira da CostaMaria Alice Altenburg de Assis
Jul 18, 2015·JMIR Research Protocols·Stephanie Erika BonnKatarina Bälter
Mar 21, 2015·Journal of Medical Internet Research·Hideyuki NambaMisaka Kimura
Feb 7, 2017·Isotopes in Environmental and Health Studies·Wendell Costa BilaAlexsandro Sobreira Galdino
Mar 8, 2017·Scandinavian Journal of Medicine & Science in Sports·L LercheJ Halkjaer
Feb 10, 2018·International Journal of Environmental Research and Public Health·Olle BälterSusanna Toivanen
Dec 22, 2019·International Journal of Cancer. Journal International Du Cancer·Linda RaineyPer Hall
Dec 10, 2020·European Journal of Neurology : the Official Journal of the European Federation of Neurological Societies·Lucía VaqueroMarta Simó
Oct 25, 2020·Sports·Dimitrios I Bourdas, Emmanouil D Zacharakis

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